Comparative study of the differences in shoulder muscle activation according to arm rotation angle
T Ijiri, Y Urabe, N Maeda, J Sasadai, T Suzuki - Human Movement Science, 2020 - Elsevier
Background Scapular muscle exercise is important for patients with shoulder disorders.
Distal variance leads to changes in shoulder muscle activation. Here, we aimed to
determine whether scapular muscle activation is affected by different arm rotation angles.
Methods Overall, 30 healthy men participated in this study. The subjects were asked to keep
their arms at 120 degrees of shoulder flexion while holding a 1.0-kg dumbbell in palms
down (pronation) and palms up (supination) positions. Electromyography was used to …
Distal variance leads to changes in shoulder muscle activation. Here, we aimed to
determine whether scapular muscle activation is affected by different arm rotation angles.
Methods Overall, 30 healthy men participated in this study. The subjects were asked to keep
their arms at 120 degrees of shoulder flexion while holding a 1.0-kg dumbbell in palms
down (pronation) and palms up (supination) positions. Electromyography was used to …