Tuesday, October 5, 2010

Execution

The batter will make contact with the ball.

Scapulothoracic depression by the pectoralis minor, subclavius and the lower fibers of the trapezius.
Diagonal adduction working isometrically with the pectoralis major, anterior deltoid and coracobrachialis.

Slight dexter and sinister flexion of the humeroulna joint by the biceps brachii short and long heads, brachilis, brachioradialis, and pronator teres in the sagittal plane around the mediolateral axis of rotation working concentrically.
Internal rotation of the acetabularfemoral joint by the gracilis, semimembranosus, and the tensor fasciae latae in the transverse plane around the vertical axis rotation working isometrically.

Slight sinister and dexter flexion of the tibiofemural joint by the biceps femoris, popliteus, semi-membranosus and semi-tendinosus in the sagittal plane in the mediolateral axis of rotation working isometrically.


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