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David Robert Howell

TitleAssociate Professor
InstitutionUniversity of Colorado Denver - Anschutz Medical Campus
DepartmentSOM-ORTHO General Operations
ORCID ORCID Icon0000-0002-2955-0191 Additional info

    Collapse Biography 
    Collapse education and training
    Whitworth University, Spokane, WABA05/2008Athletic Training
    University of Oregon, Eugene, ORMS06/2011Human Physiology
    University of Oregon, Eugene, ORPhD06/2014Human Physiology
    Boston Children's Hospital, Boston, MAPost-Doc08/2017Sports Medicine
    Collapse awards and honors
    2014PhD Student Paper Competition Award (Human Locomotion), World Congress of Biomechanics Conference
    2015Doctoral Dissertation Award, National Athletic Trainers Association Foundation
    2017Best Scientific Poster Award, Pediatric Research in Sports Medicine Society 4th Annual Meeting
    2019Hank Chambers Award for Best Scientific Paper, Pediatric Research in Sports Medicine Society 6th Annual Meeting
    2019New Investigator Award, National Athletic Trainers Association Foundation
    2020New Investigator Award, American College of Sports Medicine
    2021National Athletic Trainer Achievement Award, Pediatric Research in Sports Medicine Society

    Collapse Research 
    Collapse research activities and funding
         (David R. Howell)Sep 1, 2022 - Sep 30, 2023
    Department of the Air Force, 59th Medical Wing
    Tele-Rehabilitation to Improve Mild Traumatic Brain Injury Recovery and Reduce Subsequent Injury Risk
    Role Description: To examine the feasibility a smartphone-based mild TBI assessment among U.S. military service members and efficacy of a remote intervention approach among civilians with mild TBI to reduce future injury risk.
    Role: Co-PI
    R01HD108133     (David R. Howell)May 15, 2022 - Mar 31, 2027
    NIH/NICHD
    Modulating Exercise Dosage to Improve Concussion Rehabilitation: A Randomized Clinical Trial
    Role Description: Using a prospective randomized clinical trial design, we aim to identify if high dose exercise following adolescent concussion, relative to standard-of-care, results in: faster/slower symptom resolution, altered physiological function, or reduced secondary sequalae.
    Role: PI
    R01HD108133     (HOWELL, DAVID R.)May 15, 2022 - Mar 31, 2027
    NIH
    Modulating Exercise Dosage to Improve Concussion Rehabilitation: A Randomized Clinical Trial
    Role: Principal Investigator
    CMH-J-22-18     (David R. Howell)May 2, 2022 - May 1, 2023
    CCTSI Child and Maternal Health Junior Faculty Pilot Grant Award
    Understanding How Sleep Health Affects Recovery from Adolescent Concussion
    Role Description: To examine subjective and objective sleep health measures longitudinally post-concussion, relative to uninjured controls, and to evaluate the relationship between post-concussion sleep health with Persistent Post Concussion Symptoms (PPCS) and symptom severity.
    Role: PI
    R13AR080451     (David R. Howell)Dec 15, 2021 - Nov 30, 2024
    NIH/NIAMS
    Pediatric Research in Sports Medicine (PRiSM) Annual Conference
    Role: PI
    R13AR080451     (HOWELL, DAVID R.)Dec 15, 2021 - Nov 30, 2024
    NIH
    2022 Pediatric Research in Sports Medicine (PRiSM) Annual Conference
    Role: Principal Investigator
         (David R. Howell)Nov 1, 2020 - Oct 31, 2022
    Tai Foundation
    A multifaceted and interdisciplinary approach to improving pediatric concussion outcomes
    Role Description: To examine brain neurochemistry among adolescents with a concussion, to discover clinical correlates underlying altered neurochemical profiles after concussion, and to monitor long-term outcomes
    Role: PI
    R43NS108823     (LUGADE, VIPUL)Sep 30, 2019 - Mar 31, 2021
    NIH
    A novel smartphone-based tool to quantify dual-task gait performance for concussion assessment
    Role Description: To develop a tool to evaluate single-task and dual-task gait and cognitive function in common clinical environments using a smartphone.
    Role: Co-Investigator
         (David R Howell)Aug 1, 2019 - Jul 31, 2021
    Mindsource Brain Injury Network New Investigator Award
    Initiation of an Early Exercise Program to Improve Symptoms and Psychosocial Function after Pediatric Mild Traumatic Brain Injury
    Role Description: To identify the effects of the initiation of an individualized sub-symptom aerobic exercise program within the first week of a mild traumatic brain injury (mTBI) on measures of persistent post-concussive symptoms and psychosocial function.
    Role: PI
         (David R Howell)Jan 1, 2019 - Dec 31, 2021
    Children’s Hospital Colorado Research Institute Pilot Award
    Implementation of a sports injury prevention program to reduce subsequent injuries after concussion: a pilot randomized control study
    Role Description: The purpose of this study is to generate pilot data evaluating the efficacy of a prophylactic sports injury prevention program aimed to reduce musculoskeletal injury risk after athletes return to play following a sport-related concussion.
    Role: PI
    R03HD094560     (HOWELL, DAVID R.)Feb 15, 2018 - Jan 31, 2020
    NIH
    Improving quantitative recovery outcomes from concussion with aerobic exercise training
    Role Description: We aim to 1) determine the relationship between symptoms, cerebrovascular function, gait, and executive function soon after a concussion, and 2) investigate the effect of an aerobic exercise intervention protocol on concussion recovery.
    Role: Principal Investigator
    R41NS103698     (MASTER, CHRISTINA)Feb 15, 2018 - Nov 30, 2018
    NIH
    A software tool for objective identification of concussion-related vision disorders using a novel eye-tracking device
    Role Description: The long-term goal is to develop an objective assessment of vision characteristics, that will enable physicians that are non-specialists in vision to 1) screen for concussion-related vision disorders; 2) identify VSC; 3) make decisions about the necessity of a referral for a comprehensive vision examination; 4) monitor the effectiveness of vision treatment.
    Role: Collaborator
    R01NS100952     (KOERTE, INGA KATHARINA)Aug 1, 2017 - Jul 31, 2022
    NIH
    Sex Differences in Brain Structure and Function After Sports-Related Concussion
    Role Description: The purpose of this study is to prospectively assess how sex differentially affects concussion severity and subsequent recovery on measures of brain structure and function.
    Role: Co-Investigator

    Collapse Bibliographic 
    Collapse selected publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
    List All   |   Timeline
    1. Prato TA, Lynall RC, Howell DR, Lugade V. Validity and Reliability of an Integrated Smartphone Measurement Approach for Balance. J Sport Rehabil. 2024 Nov 18; 1-7. PMID: 39557038.
      View in: PubMed
    2. Magliato SN, Wingerson MJ, Smulligan KL, Little CC, Lugade V, Wilson JC, Howell DR. Virtual Neuromuscular Training Among Physically Active Young Adults: A Feasibility Study. J Sport Rehabil. 2024 Oct 07; 1-7. PMID: 39374925.
      View in: PubMed
    3. Oldham JR, Howell DR, Lanois CJ, Berkner PD, Iverson GL, Mannix RC, Meehan WP. Baseline Symptoms and Neurocognitive Performance Across Collision, Contact, and Non-Contact Female High School Athletes. Med Sci Sports Exerc. 2024 Aug 12. PMID: 39140797.
      View in: PubMed
    4. Smulligan KL, Carry P, Smith AC, Esopenko C, Baugh CM, Wilson JC, Howell DR. Cervical spine proprioception and vestibular/oculomotor function: An observational study comparing young adults with and without a concussion history. Phys Ther Sport. 2024 Sep; 69:33-39. PMID: 39013262.
      View in: PubMed
    5. Smulligan KL, Magliato SN, Keeter CL, Wingerson MJ, Smith AC, Wilson JC, Howell DR. The Diagnostic Utility of Cervical Spine Proprioception for Adolescent Concussion. Clin J Sport Med. 2024 Jul 02. PMID: 38953712.
      View in: PubMed
    6. Ross LK, Lalka A, Keeter C, Hamati MC, Robell K, Howell DR, Zona NE, Hunt KJ. Playing surface and sport contact status modulate time to lower extremity musculoskeletal injury at a greater level than concussion history among collegiate student-athletes. J ISAKOS. 2024 Aug; 9(4):628-634. PMID: 38925353.
      View in: PubMed
    7. Roberts J, Wilson JC, Halstead ME, Miller SM, Santana JA, Valovich McLeod TC, Zaslow TL, Master CL, Grady MF, Snedden TR, Fazekas ML, Coel RA, Howell DR. Variables associated with days of school missed following concussion: results from the Sport Concussion Outcomes in PEdiatrics (SCOPE) study. Phys Sportsmed. 2024 Dec; 52(6):592-600. PMID: 38648009.
      View in: PubMed
    8. Sch?nberg NKT, Poppel J, Howell D, Wagner J, H?finger M, Fabri N, Bonke EM, Rojczyk P, H?sl M, Kiwull L, Schr?der SA, Blaschek A, Vill K, Koerte IK, Huppert D, Heinen F, Bonfert MV. Instrumented Balance Error Scoring System in Children and Adolescents-A Cross Sectional Study. Diagnostics (Basel). 2024 Feb 28; 14(5). PMID: 38472985.
      View in: PubMed
    9. Barnes A, Smulligan K, Wingerson MJ, Little C, Lugade V, Wilson JC, Howell DR. A Multifaceted Approach to Interpreting Reaction Time Deficits After Adolescent Concussion. J Athl Train. 2024 Feb 01; 59(2):145-152. PMID: 36701688.
      View in: PubMed
    10. Zuleger TM, Slutsky-Ganesh AB, Grooms DR, Yuan W, Barber Foss KD, Howell DR, Myer GD, Diekfuss JA. High magnitude exposure to repetitive head impacts alters female adolescent brain activity for lower extremity motor control. Brain Res. 2024 Apr 01; 1828:148785. PMID: 38272157.
      View in: PubMed
    11. Daley MM, Howell DR, Lanois CJ, Berkner PD, Mannix RC, Oldham JR, Meehan WP. Concussion Symptoms and Neurocognitive Performance of Children and Adolescents on Antidepressants. Med Sci Sports Exerc. 2024 Jun 01; 56(6):1018-1025. PMID: 38233981.
      View in: PubMed
    12. Smulligan KL, Wingerson MJ, Magliato SN, Rademacher JG, Wilson JC, Howell DR. Postconcussion Moderate to Vigorous Physical Activity Predicts Anxiety Severity among Adolescent Athletes. Med Sci Sports Exerc. 2024 May 01; 56(5):790-795. PMID: 38181208.
      View in: PubMed
    13. Wingerson MJ, Hunt DL, Wilson JC, Mannix RC, Meehan WP, Howell DR. Factors Associated with Symptom Resolution after Aerobic Exercise Intervention in Adolescent and Young Adults with Concussion. Med Sci Sports Exerc. 2024 May 01; 56(5):783-789. PMID: 38109187.
      View in: PubMed
    14. Howell DR, Wingerson MJ, Smulligan KL, Magliato S, Simon S, Wilson JC. Exercising More Than 150 min/wk After Concussion Is Associated With Sleep Quality Improvements. J Head Trauma Rehabil. 2024 Jul-Aug 01; 39(4):E216-E224. PMID: 38032838.
      View in: PubMed
    15. Patsimas T, Howell DR, Hovater W, Drexelius K, Selberg C, Armento A, Mayer S. Recovery in Hip Range of Motion in Young Flexibility Athletes 1 Year After Periacetabular Osteotomy. J Dance Med Sci. 2024 Mar; 28(1):51-56. PMID: 37864457.
      View in: PubMed
    16. Miller SM, Valovich McLeod TC, Zaslow TL, Wilson JC, Master CL, Snedden TR, Halstead ME, Grady MF, Fazekas ML, Santana JA, Coel RA, Howell DR. Utility of a Clinical Prediction Tool for Persisting Postconcussive Symptoms in a Multicenter Sample of Youth Athletes With Concussion: The Sport Concussion Outcomes in Pediatrics (SCOPE) Study. Am J Sports Med. 2023 11; 51(13):3546-3553. PMID: 37794642.
      View in: PubMed
    17. Wingerson MJ, Baugh CM, Provance AJ, Armento A, Walker GA, Howell DR. Changes in Quality of Life, Sleep, and Physical Activity During COVID-19: A Longitudinal Study of Adolescent Athletes. J Athl Train. 2023 Oct 01; 58(10):887-894. PMID: 36827615.
      View in: PubMed
    18. Willwerth SB, Lempke LB, Lugade V, Meehan WP, Howell DR, DeJong Lempke AF. Ankle Sprain History Does Not Significantly Alter Single- and Dual-Task Spatiotemporal Gait Mechanics. J Sport Rehabil. 2023 Nov 01; 32(8):903-909. PMID: 37758257.
      View in: PubMed
    19. Wingerson MJ, Magliato SN, Smulligan KL, Wilson JC, Little CC, Howell DR. Predicting Time to Evaluation After Pediatric Concussion: Factors Affecting Specialty Concussion Care. Orthop J Sports Med. 2023 Aug; 11(8):23259671231186430. PMID: 37655238.
      View in: PubMed
    20. Dunne LAM, Cole MH, Cormack SJ, Howell DR, Johnston RD. Validity and Reliability of Methods to Assess Movement Deficiencies Following Concussion: A COSMIN Systematic Review. Sports Med Open. 2023 Aug 14; 9(1):76. PMID: 37578611.
      View in: PubMed
    21. Armento A, Keeter C, Gagliardi A, Rossing H, Giachino C, VandenBerg C, Howell D, Albright J. Association of Grit With Postoperative Knee Outcomes and Physical Function After ACL Reconstruction in Adolescent Athletes. Am J Sports Med. 2023 09; 51(11):2900-2907. PMID: 37525482.
      View in: PubMed
    22. Rademacher JG, Wingerson MJ, Smulligan KL, Little CC, Wilson JC, Howell DR. Early Moderate to Vigorous Physical Activity After Concussion Is Associated With Faster Symptom Resolution Time. J Sport Rehabil. 2023 Sep 01; 32(7):790-796. PMID: 37295788.
      View in: PubMed
    23. Echemendia RJ, Brett BL, Broglio S, Davis GA, Giza CC, Guskiewicz KM, Harmon KG, Herring S, Howell DR, Master C, McCrea M, Naidu D, Patricios JS, Putukian M, Walton SR, Schneider KJ, Burma JS, Bruce JM. Sport concussion assessment tool? - 6 (SCAT6). Br J Sports Med. 2023 06; 57(11):622-631. PMID: 37316203.
      View in: PubMed
    24. Echemendia RJ, Brett BL, Broglio S, Davis GA, Giza CC, Guskiewicz KM, Harmon KG, Herring S, Howell DR, Master CL, Valovich McLeod TC, McCrea M, Naidu D, Patricios J, Putukian M, Walton SR, Schneider KJ, Burma JS, Bruce JM. Introducing the Sport Concussion Assessment Tool 6 (SCAT6). Br J Sports Med. 2023 06; 57(11):619-621. PMID: 37316207.
      View in: PubMed
    25. Echemendia RJ, Burma JS, Bruce JM, Davis GA, Giza CC, Guskiewicz KM, Naidu D, Black AM, Broglio S, Kemp S, Patricios JS, Putukian M, Zemek R, Arango-Lasprilla JC, Bailey CM, Brett BL, Didehbani N, Gioia G, Herring SA, Howell D, Master CL, Valovich McLeod TC, Meehan WP, Premji Z, Salmon D, van Ierssel J, Bhathela N, Makdissi M, Walton SR, Kissick J, Pardini J, Schneider KJ. Acute evaluation of sport-related concussion and implications for the Sport Concussion Assessment Tool (SCAT6) for adults, adolescents and children: a systematic review. Br J Sports Med. 2023 Jun; 57(11):722-735. PMID: 37316213.
      View in: PubMed
    26. Echemendia RJ, Ahmed OH, Bailey CM, Bruce JM, Burma JS, Davis GA, Gioia G, Howell DR, Fuller GW, Master CL, van Ierssel J, Pardini J, Schneider KJ, Walton SR, Zemek R, Patricios JS. The Concussion Recognition Tool 6 (CRT6). Br J Sports Med. 2023 06; 57(11):692-694. PMID: 37316201.
      View in: PubMed
    27. Echemendia RJ, Ahmed OH, Bailey CM, Bruce JM, Burma JS, Davis GA, Gioia G, Howell D, Fuller GW, Master CL, van Ierssel J, Pardini J, Schneider KJ, Walton SR, Zemek R, Patricios J. Introducing the Concussion Recognition Tool 6 (CRT6). Br J Sports Med. 2023 06; 57(11):689-691. PMID: 37316214.
      View in: PubMed
    28. Liu RKK, Howell DR, Pierpoint LA, Little CC, Spittler J, Khodaee M, Provance A. SalterHarris fractures in paediatric skiers and snowboarders. Res Sports Med. 2024 Jul-Aug; 32(4):648-655. PMID: 37221842.
      View in: PubMed
    29. Hart E, Howell DR, Brilliant A, O'Brien M, Meehan WP. Gymnastics and concussions: A retrospective chart review. Brain Inj. 2023 07 03; 37(8):675-679. PMID: 37204184.
      View in: PubMed
    30. Sweeney EA, Little CC, Wilson JC, Potter MN, Seehusen CN, Howell DR. Comparison of Braces for Treatment of Sever's Disease (Calcaneal Apophysitis) in Barefoot Athletes: A Randomized Clinical Trial. J Athl Train. 2023 May 01; 58(5):437-444. PMID: 36094612.
      View in: PubMed
    31. Fryar C, Howell DR, Seehusen CN, Tilley D, Casey E, Sweeney EA. Link Between the Female Athlete Triad and Gymnastics-Related Injury in Retired Collegiate Gymnasts. Clin J Sport Med. 2023 Apr 25. PMID: 37185819.
      View in: PubMed
    32. Magliato SN, Wingerson MJ, Seehusen CN, Smulligan KL, Simon SL, Wilson JC, Howell DR. Sleep Problems After Concussion Are Associated With Poor Balance and Persistent Postconcussion Symptoms. J Child Neurol. 2023 03; 38(3-4):198-205. PMID: 37122172.
      View in: PubMed
    33. Seehusen CN, Howell DR, Potter MN, Walker GA, Provance AJ. Athlete Burnout Is Associated With Perceived Likelihood of Future Injury Among Healthy Adolescent Athletes. Clin Pediatr (Phila). 2023 10; 62(10):1269-1276. PMID: 36908104.
      View in: PubMed
    34. Valovich McLeod TC, Snedden T, Halstead M, Wilson J, Master C, Grady M, Fazekas M, Santana J, Zaslow T, Miller S, Coel R, Howell DR. Influence of Personal and Injury-Related Factors Predicting Deficits in Quality of Life Domains Among Pediatric Athletes: Findings From the Sport Concussion Outcomes in Pediatrics Study. Clin J Sport Med. 2023 09 01; 33(5):489-496. PMID: 36858431.
      View in: PubMed
    35. Gagliardi AG, Walker G, Dahab K, Pearce S, Howell DR, Albright JC. High healing rate of stable femoral condyle osteochondritis dissecans in young patients placed in a hinged knee brace locked in extension: a retrospective study. J Pediatr Orthop B. 2023 Mar 01; 32(2):170-177. PMID: 36700964.
      View in: PubMed
    36. Neely LM, Smulligan KL, Wingerson MJ, Seehusen CN, Simon SL, Wilson JC, Howell DR. The association between sleep and physical activity with persisting postconcussion symptoms among adolescent athletes. PM R. 2023 09; 15(9):1122-1129. PMID: 36580488.
      View in: PubMed
    37. Armento AM, VanBaak KD, Seehusen CN, Howell DR. Differences in Training and Health Characteristics Between Trail Ultrarunners and Shorter Distance Runners. Wilderness Environ Med. 2023 06; 34(2):182-186. PMID: 36764885.
      View in: PubMed
    38. Smulligan KL, Wingerson MJ, Little CC, Wilson JC, Howell DR. Early physical activity after concussion is associated with sleep quality but not dizziness among adolescent athletes. J Sci Med Sport. 2023 Mar; 26(3):183-188. PMID: 36804710.
      View in: PubMed
    39. Lempke LB, Oldham JR, Passalugo S, Willwerth SB, Berkstresser B, Wang F, Howell DR, Meehan WP. Influential Factors and Preliminary Reference Data for a Clinically Feasible, Functional Reaction Time Assessment: The Standardized Assessment of Reaction Time. J Athl Train. 2023 Feb 01; 58(2):112-119. PMID: 35476022.
      View in: PubMed
    40. Chesler KC, Howell DR, Khodaee M, Pierpoint LA, Comstock RD, Provance AJ. Are Different Aged Youth Skiers and Snowboarders Experiencing Different Injury Characteristics? Wilderness Environ Med. 2023 03; 34(1):45-54. PMID: 36610917.
      View in: PubMed
    41. Schmitz B, Smulligan KL, Wingerson MJ, Walker GA, Wilson JC, Howell DR. Double Vision and Light Sensitivity Symptoms are Associated With Return-to-School Timing After Pediatric Concussion. Clin J Sport Med. 2023 05 01; 33(3):264-269. PMID: 36395518.
      View in: PubMed
    42. Lopez-Flores R, Oldham J, Howell D, Rush J, Taylor A, Berkner P, Mannix R, Meehan WP. No Association Between Processing Speed and Risk of Sport-Related Concussion in Youth Soccer. Clin J Sport Med. 2022 11 01; 32(6):e587-e590. PMID: 36315826.
      View in: PubMed
    43. Smulligan KL, Wingerson MJ, Seehusen CN, Little CC, Wilson JC, Howell DR. More Physical Activity Is Correlated With Reduction in Kinesiophobia for Adolescents With Persistent Symptoms After Concussion. J Sport Rehabil. 2023 Feb 01; 32(2):196-202. PMID: 36220143.
      View in: PubMed
    44. Wingerson MJ, Wilson JC, Seehusen CN, Walker GA, Howell DR. Patient Characteristics Predictive of Immediate and Delayed Word Recall Performance Following Adolescent Concussion. Int J Sports Med. 2023 Jan; 44(1):72-77. PMID: 36096148.
      View in: PubMed
    45. Little CC, Howell DR, Armento AM, Sweeney EA, Walker GA. Training volume recommendations and psychosocial outcomes in adolescent athletes. Phys Sportsmed. 2023 10; 51(5):420-426. PMID: 36000411.
      View in: PubMed
    46. Lempke LB, Passalugo S, Baranker BT, Hunt D, Berkstresser B, Wang F, Meehan WP, Howell DR. Relationship and Latent Factors Between Clinical Concussion Assessments and the Functional Standardized Assessment of Reaction Time (StART). Clin J Sport Med. 2022 11 01; 32(6):e591-e597. PMID: 35878887.
      View in: PubMed
    47. Sidhar K, Baugh CM, Wilson JC, Spittler J, Walker GA, Armento AM, Howell DR. Socioeconomic status and injury history in adolescent athletes: Lower family affluence is associated with a history of concussion. J Clin Transl Res. 2022 Aug 29; 8(4):292-298. PMID: 35975186.
      View in: PubMed
    48. Jain D, Arbogast KB, McDonald CC, Podolak OE, Margulies SS, Metzger KB, Howell DR, Scheiman MM, Master CL. Eye Tracking Metrics Differences among Uninjured Adolescents and Those with Acute or Persistent Post-Concussion Symptoms. Optom Vis Sci. 2022 08 01; 99(8):616-625. PMID: 35848958.
      View in: PubMed
    49. Smulligan KL, Wingerson MJ, Seehusen CN, Smith AC, Walker GA, Wilson JC, Howell DR. Dizziness Is Associated With Neck/Shoulder Pain Following Pediatric Concussion. Clin J Sport Med. 2022 11 01; 32(6):e562-e567. PMID: 36315824.
      View in: PubMed
    50. Oldham JR, Lanois CJ, Caccese JB, Crenshaw JR, Knight CA, Berkstresser B, Wang F, Howell DR, Meehan WP, Buckley TA. Association Between Collision Sport Career Duration and Gait Performance in Male Collegiate Student-Athletes. Am J Sports Med. 2022 07; 50(9):2526-2533. PMID: 35736366.
      View in: PubMed
    51. Oldham JR, Howell D, Lanois C, Berkner P, Iverson GL, Mannix R, Meehan W. Neurocognitive functioning and symptoms across levels of collision and contact in male high school athletes. J Neurol Neurosurg Psychiatry. 2022 Apr 27. PMID: 35477889.
      View in: PubMed
    52. Chen DL, Meyers RN, Provance AJ, Zynda AJ, Wagner KJ, Siegel SR, Howell DR, Miller SM. Early Sport Specialization and Past Injury in Competitive Youth Rock Climbers. Wilderness Environ Med. 2022 06; 33(2):179-186. PMID: 35484015.
      View in: PubMed
    53. Howell DR, Wingerson MJ, Kirkwood MW, Grubenhoff JA, Wilson JC. Early aerobic exercise among adolescents at moderate/high risk for persistent post-concussion symptoms: A pilot randomized clinical trial. Phys Ther Sport. 2022 May; 55:196-204. PMID: 35489100.
      View in: PubMed
    54. Shah AS, Raghuram A, Kaur K, Lipson S, Shoshany T, Stevens R, O'Brien M, Howell D, Fleischman K, Barnack D, Molind H, Kuemmerle KH, Brodsky JR. Specialty-Specific Diagnoses in Pediatric Patients With Postconcussion Syndrome: Experience From a Multidisciplinary Concussion Clinic. Clin J Sport Med. 2022 03 01; 32(2):114-121. PMID: 33605602.
      View in: PubMed
    55. B?ttner F, Howell DR, Doherty C, Blake C, Ryan J, Delahunt E. Longitudinal Vestibular and Oculomotor Impairments Among Amateur Athletes 1 Year Following Sport-Related Concussion: A Prospective Follow-Up. J Head Trauma Rehabil. 2022 Mar-Apr 01; 37(2):E55-E64. PMID: 33741825.
      View in: PubMed
    56. Smulligan KL, Wingerson MJ, Seehusen CN, Wilson JC, Howell DR. Examining initial post-concussion dizziness and postural stability as predictors of time to symptom resolution. J Sci Med Sport. 2022 Jun; 25(6):455-459. PMID: 35221201.
      View in: PubMed
    57. Smulligan KL, Wingerson MJ, Seehusen CN, Wilson JC, Howell DR. Postconcussion Dizziness Severity Predicts Daily Step Count during Recovery among Adolescent Athletes. Med Sci Sports Exerc. 2022 06 01; 54(6):905-911. PMID: 35081096.
      View in: PubMed
    58. Howell DR, Seehusen CN, Carry PM, Walker GA, Reinking SE, Wilson JC. An 8-Week Neuromuscular Training Program After Concussion Reduces 1-Year Subsequent Injury Risk: A Randomized Clinical Trial. Am J Sports Med. 2022 03; 50(4):1120-1129. PMID: 35060759.
      View in: PubMed
    59. Narad ME, Epstein JN, Peugh J, Barber Foss KD, Diekfuss JA, Bonnette S, Orban S, Yuan W, Dudley JA, DiCesare CA, Reddington DL, Zhong W, Nissen KS, Shafer JL, Avedesian JM, Slutsky-Ganesh AB, Lloyd RS, Howell D, Myer GD. Effect of Subconcussive Head Impact Exposure and Jugular Vein Compression on Behavioral and Cognitive Outcomes after a Single Season of High-School Football: A Prospective Longitudinal Trial. J Neurotrauma. 2022 01; 39(1-2):49-57. PMID: 34779241.
      View in: PubMed
    60. Howell DR, Potter MN, Provance AJ, Wilson PE, Kirkwood MW, Wilson JC. Sleep Problems and Melatonin Prescription After Concussion Among Youth Athletes. Clin J Sport Med. 2021 11 01; 31(6):475-480. PMID: 33055498.
      View in: PubMed
    61. Oldham JR, Howell DR, Knight CA, Crenshaw JR, Buckley TA. Single-Task and Dual-Task Tandem Gait Performance Across Clinical Concussion Milestones in Collegiate Student-Athletes. Clin J Sport Med. 2021 11 01; 31(6):e392-e397. PMID: 32852299.
      View in: PubMed
    62. Daisy CC, Varinos S, Howell DR, Kaplan K, Mannix R, Meehan WP, Wang F, Berkstresser B, Lee RS, Froehlich JW, Zurakowski D, Moses MA. Proteomic Discovery of Noninvasive Biomarkers Associated With Sport-Related Concussions. Neurology. 2022 01 11; 98(2):e186-e198. PMID: 34675105.
      View in: PubMed
    63. Howell DR, Hunt DL, Aaron SE, Hamner JW, Meehan WP, Tan CO. Association of Hemodynamic and Cerebrovascular Responses to Exercise With Symptom Severity in Adolescents and Young Adults With Concussion. Neurology. 2021 11 30; 97(22):e2204-e2212. PMID: 34635563.
      View in: PubMed
    64. Smulligan KL, Wilson JC, Seehusen CN, Wingerson MJ, Magliato SN, Howell DR. Post-Concussion Dizziness, Sleep Quality, and Postural Instability: A Cross-Sectional Investigation. J Athl Train. 2021 Oct 08. PMID: 34623439.
      View in: PubMed
    65. Ferber A, Howell DR, Seehusen CN, Tilley D, Casey E, Sweeney EA. Intersection of surgical injuries and pain interference among former female collegiate gymnasts. PM R. 2022 05; 14(5):569-574. PMID: 34498793.
      View in: PubMed
    66. Armento A, VanBaak K, Seehusen CN, Sweeney EA, Wilson JC, Howell DR. Presence and Perceptions of Menstrual Dysfunction and Associated Quality of Life Measures Among High School Female Athletes. J Athl Train. 2021 Oct 01; 56(10):1094-1099. PMID: 33626156.
      View in: PubMed
    67. Ozturk ED, Iaccarino MA, Hamner JW, Aaron SE, Hunt DL, Meehan WP, Howell DR, Tan CO. Executive dysfunction after multiple concussions is not related to cerebrovascular dysfunction. Physiol Meas. 2021 09 27; 42(9). PMID: 34450608.
      View in: PubMed
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    164. Howell DR, Myer GD, Grooms D, Diekfuss J, Yuan W, Meehan WP. Examining Motor Tasks of Differing Complexity After Concussion in Adolescents. Arch Phys Med Rehabil. 2019 04; 100(4):613-619. PMID: 30193950.
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    165. Howell DR, Brilliant AN, Storey EP, Podolak OE, Meehan WP, Master CL. Objective Eye Tracking Deficits Following Concussion for Youth Seen in a Sports Medicine Setting. J Child Neurol. 2018 10; 33(12):794-800. PMID: 30088436.
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    166. Oldham JR, Difabio MS, Kaminski TW, Dewolf RM, Howell DR, Buckley TA. Efficacy of Tandem Gait to Identify Impaired Postural Control after Concussion. Med Sci Sports Exerc. 2018 06; 50(6):1162-1168. PMID: 29315170.
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    167. Howell DR, Meehan WP, Barber Foss KD, Reches A, Weiss M, Myer GD. Reduced dual-task gait speed is associated with visual Go/No-Go brain network activation in children and adolescents with concussion. Brain Inj. 2018; 32(9):1129-1134. PMID: 29851513.
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    168. Howell DR, Buckley TA, Lynall RC, Meehan WP. Worsening Dual-Task Gait Costs after Concussion and their Association with Subsequent Sport-Related Injury. J Neurotrauma. 2018 07 15; 35(14):1630-1636. PMID: 29490564.
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    169. Howell DR, Lynall RC, Buckley TA, Herman DC. Neuromuscular Control Deficits and the Risk of Subsequent Injury after a Concussion: A Scoping Review. Sports Med. 2018 05; 48(5):1097-1115. PMID: 29453743.
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    170. Howell DR, O'Brien MJ, Raghuram A, Shah AS, Meehan WP. Near Point of Convergence and Gait Deficits in Adolescents After Sport-Related Concussion. Clin J Sport Med. 2018 05; 28(3):262-267. PMID: 28742610.
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    171. Sugimoto D, Howell DR, Tocci NX, Meehan WP. Risk factors associated with self-reported injury history in female youth soccer players. Phys Sportsmed. 2018 09; 46(3):312-318. PMID: 29633890.
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    172. Yuan W, Dudley J, Barber Foss KD, Ellis JD, Thomas S, Galloway RT, DiCesare CA, Leach JL, Adams J, Maloney T, Gadd B, Smith D, Epstein JN, Grooms DR, Logan K, Howell DR, Altaye M, Myer GD. Mild Jugular Compression Collar Ameliorated Changes in Brain Activation of Working Memory after One Soccer Season in Female High School Athletes. J Neurotrauma. 2018 06 01; 35(11):1248-1259. PMID: 29334834.
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    173. Howell DR, Berkstresser B, Wang F, Buckley TA, Mannix R, Stillman A, Meehan WP. Self-reported sleep duration affects tandem gait, but not steady-state gait outcomes among healthy collegiate athletes. Gait Posture. 2018 05; 62:291-296. PMID: 29605797.
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    174. Howell DR, Osternig LR, Chou LS. Detection of Acute and Long-Term Effects of Concussion: Dual-Task Gait Balance Control Versus Computerized Neurocognitive Test. Arch Phys Med Rehabil. 2018 07; 99(7):1318-1324. PMID: 29457997.
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    175. Howell DR, Kirkwood MW, Provance A, Iverson GL, Meehan WP. Using concurrent gait and cognitive assessments to identify impairments after concussion: a narrative review. Concussion. 2018 Mar; 3(1):CNC54. PMID: 30202596.
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    176. Gardner AJ, Howell DR, Iverson GL. A video review of multiple concussion signs in National Rugby League match play. Sports Med Open. 2018 Jan 12; 4(1):5. PMID: 29330738.
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    177. H?nninen T, Parkkari J, Tuominen M, ?hman J, Howell DR, Iverson GL, Luoto TM. Sport Concussion Assessment Tool: Interpreting day-of-injury scores in professional ice hockey players. J Sci Med Sport. 2018 Aug; 21(8):794-799. PMID: 29254676.
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    178. Berkner J, Meehan WP, Master CL, Howell DR. Gait and Quiet-Stance Performance Among Adolescents After Concussion-Symptom Resolution. J Athl Train. 2017 Dec; 52(12):1089-1095. PMID: 29154694.
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    179. O'Brien MJ, Howell DR, Pepin MJ, Meehan WP. Sport-Related Concussions: Symptom Recurrence After Return to Exercise. Orthop J Sports Med. 2017 Oct; 5(10):2325967117732516. PMID: 29085846.
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    180. Howell DR, Brilliant A, Berkstresser B, Wang F, Fraser J, Meehan WP. The Association between Dual-Task Gait after Concussion and Prolonged Symptom Duration. J Neurotrauma. 2017 12 01; 34(23):3288-3294. PMID: 28895490.
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    181. Howell DR, Oldham JR, Meehan WP, DiFabio MS, Buckley TA. Dual-Task Tandem Gait and Average Walking Speed in Healthy Collegiate Athletes. Clin J Sport Med. 2017 Oct 04. PMID: 29023271.
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    182. Tocci NX, Howell DR, Sugimoto D, Dawkins C, Whited A, Bae D. The Effect of Stride Length and Lateral Pelvic Tilt on Elbow Torque in Youth Baseball Pitchers. J Appl Biomech. 2017 Oct 01; 33(5):339-346. PMID: 28530502.
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    183. Lee JH, Howell DR, Meehan WP, Iverson GL, Gardner AJ. Effects of Exercise on Sport Concussion Assessment Tool-Third Edition Performance in Professional Athletes. Orthop J Sports Med. 2017 Sep; 5(9):2325967117727261. PMID: 28944251.
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    184. Howell DR, Hanson E, Sugimoto D, Stracciolini A, Meehan WP. Assessment of the Postural Stability of Female and Male Athletes. Clin J Sport Med. 2017 Sep; 27(5):444-449. PMID: 27428677.
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    185. Gardner AJ, Howell DR, Levi CR, Iverson GL. Evidence of Concussion Signs in National Rugby League Match Play: a Video Review and Validation Study. Sports Med Open. 2017 Aug 22; 3(1):29. PMID: 28831759.
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    186. Howell DR, Stillman A, Buckley TA, Berkstresser B, Wang F, Meehan WP. The utility of instrumented dual-task gait and tablet-based neurocognitive measurements after concussion. J Sci Med Sport. 2018 Apr; 21(4):358-362. PMID: 28919121.
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    187. Yasen AL, Howell DR, Chou LS, Pazzaglia AM, Christie AD. Cortical and Physical Function after Mild Traumatic Brain Injury. Med Sci Sports Exerc. 2017 06; 49(6):1066-1071. PMID: 28509819.
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    188. Howell DR, Meehan WP, Loosemore MP, Cummiskey J, Grabner von Rosenberg JP, McDonagh D. Neurological tests improve after Olympic-style boxing bouts: a pretournament and post-tournament study in the 2016 Women's World Boxing Championships. Br J Sports Med. 2017 Sep; 51(17):1279-1284. PMID: 28501805.
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    189. Howell DR, Stracciolini A, Geminiani E, Meehan WP. Dual-task gait differences in female and male adolescents following sport-related concussion. Gait Posture. 2017 05; 54:284-289. PMID: 28384609.
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    190. Stracciolini A, Sugimoto D, Howell DR. Injury Prevention in Youth Sports. Pediatr Ann. 2017 Mar 01; 46(3):e99-e105. PMID: 28287683.
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    191. Tocci N, Howell DR, Sugimoto D, Stracciolini A, Morse J, Meehan WP. Physical activity outside of organised sports is associated with functional performance. Acta Paediatr. 2017 May; 106(5):825-830. PMID: 28160518.
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    192. Howell DR, Osternig LR, Chou LS. Single-task and dual-task tandem gait test performance after concussion. J Sci Med Sport. 2017 Jul; 20(7):622-626. PMID: 28169147.
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    193. Howell DR, Oldham JR, DiFabio M, Vallabhajosula S, Hall EE, Ketcham CJ, Meehan WP, Buckley TA. Single-Task and Dual-Task Gait Among Collegiate Athletes of Different Sport Classifications: Implications for Concussion Management. J Appl Biomech. 2017 Feb; 33(1):24-31. PMID: 27705076.
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    194. Howell DR, Beasley M, Vopat L, Meehan WP. The Effect of Prior Concussion History on Dual-Task Gait following a Concussion. J Neurotrauma. 2017 02 15; 34(4):838-844. PMID: 27541061.
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    195. Stache S, Howell D, Meehan WP. Concussion Management Practice Patterns Among Sports Medicine Physicians. Clin J Sport Med. 2016 Sep; 26(5):381-5. PMID: 26584436.
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    196. Howell DR, Osternig LR, Chou LS. Consistency and cost of dual-task gait balance measure in healthy adolescents and young adults. Gait Posture. 2016 09; 49:176-180. PMID: 27427835.
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    197. Sugimoto D, Howell DR, Micheli LJ, Meehan WP. Single-leg postural stability deficits following anterior cruciate ligament reconstruction in pediatric and adolescent athletes. J Pediatr Orthop B. 2016 Jul; 25(4):338-42. PMID: 26863483.
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    198. Howell DR, Osternig LR, Christie AD, Chou LS. Return to Physical Activity Timing and Dual-Task Gait Stability Are Associated 2 Months Following Concussion. J Head Trauma Rehabil. 2016 Jul-Aug; 31(4):262-8. PMID: 26291630.
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    199. Howell DR, Meehan WP. Normative values for a video-force plate assessment of postural control in athletic children. J Pediatr Orthop B. 2016 Jul; 25(4):310-4. PMID: 26863482.
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    200. Howell DR, Shore BJ, Hanson E, Meehan WP. Evaluation of postural stability in youth athletes: the relationship between two rating systems. Phys Sportsmed. 2016 Sep; 44(3):304-10. PMID: 27266445.
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    201. Howell DR, O'Brien MJ, Beasley MA, Mannix RC, Meehan WP. Initial somatic symptoms are associated with prolonged symptom duration following concussion in adolescents. Acta Paediatr. 2016 Sep; 105(9):e426-32. PMID: 27230721.
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    202. Stracciolini A, Levey Friedman H, Casciano R, Howell D, Sugimoto D, Micheli LJ. The Relative Age Effect on Youth Sports Injuries. Med Sci Sports Exerc. 2016 06; 48(6):1068-74. PMID: 26765629.
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    203. Breen EO, Howell DR, Stracciolini A, Dawkins C, Meehan WP. Examination of Age-Related Differences on Clinical Tests of Postural Stability. Sports Health. 2016 May/Jun; 8(3):244-249. PMID: 26911999.
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    204. Howell DR, Mannix RC, Quinn B, Taylor JA, Tan CO, Meehan WP. Physical Activity Level and Symptom Duration Are Not Associated After Concussion. Am J Sports Med. 2016 Apr; 44(4):1040-6. PMID: 26838933.
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    205. Howell D, Osternig L, Chou LS. Monitoring recovery of gait balance control following concussion using an accelerometer. J Biomech. 2015 Sep 18; 48(12):3364-8. PMID: 26152463.
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    206. Howell DR, Osternig LR, Chou LS. Return to activity after concussion affects dual-task gait balance control recovery. Med Sci Sports Exerc. 2015 Apr; 47(4):673-80. PMID: 25100340.
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    207. Smith A, Crouch S, Lax S, Li J, Painter D, Howell D, Patmore R, Jack A, Roman E. Lymphoma incidence, survival and prevalence 2004-2014: sub-type analyses from the UK's Haematological Malignancy Research Network. Br J Cancer. 2015 Apr 28; 112(9):1575-84. PMID: 25867256.
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    208. Howell DR, Osternig LR, Chou LS. Adolescents demonstrate greater gait balance control deficits after concussion than young adults. Am J Sports Med. 2015 Mar; 43(3):625-32. PMID: 25540297.
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    209. Miller NR, Yasen AL, Maynard LF, Chou LS, Howell DR, Christie AD. Acute and longitudinal changes in motor cortex function following mild traumatic brain injury. Brain Inj. 2014; 28(10):1270-6. PMID: 24841536.
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    210. Howell DR, Osternig LR, Koester MC, Chou LS. The effect of cognitive task complexity on gait stability in adolescents following concussion. Exp Brain Res. 2014 Jun; 232(6):1773-82. PMID: 24531643.
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    211. Howell D, Osternig L, Van Donkelaar P, Mayr U, Chou LS. Effects of concussion on attention and executive function in adolescents. Med Sci Sports Exerc. 2013 Jun; 45(6):1030-7. PMID: 23274602.
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    212. Howell DR, Osternig LR, Chou LS. Dual-task effect on gait balance control in adolescents with concussion. Arch Phys Med Rehabil. 2013 Aug; 94(8):1513-20. PMID: 23643687.
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    213. Smith A, Howell D, Patmore R, Jack A, Roman E. Incidence of haematological malignancy by sub-type: a report from the Haematological Malignancy Research Network. Br J Cancer. 2011 Nov 22; 105(11):1684-92. PMID: 22045184.
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