Stimulus-related correlations between medial gastrocnemius muscle tension and homonymous motoneuron membrane potential result from non-linearities.
Koehler W, Hamm TM, Enoka RM, Stuart DG, Windhorst U. Stimulus-related correlations between medial gastrocnemius muscle tension and homonymous motoneuron membrane potential result from non-linearities. Brain Res. 1985 Sep 23; 343(2):388-93.