Motor units in cranial and caudal regions of the upper trapezius muscle have different discharge rates during brief static contractions.
Merletti
Roberto
R
LISiN, Department of Electronics, Politecnico di Torino, Torino, Italy. roberto.merletti@polito.it
D004594:Electrophysiology; D006801:Humans; D009046:Motor Neurons / Q000502:physiology*; D009119:Muscle Contraction / Q000502:physiology*; D018482:Muscle, Skeletal / Q000294:innervation* / Q000502:physiology*; D012782:Shoulder