Drop bat to the ground and prepare to run to first base.
Shoulder girdle depression with pectoralis minior and lower muscle fibers of trapezius.
Shoulder joint exentsion by ecentrically contracting the anterior deltoid and upper pectoralis major muscles.
Bilateral elbow joint extension by ecentrically contracting the tricepts brachii long head, lateral head and medial head and anconeus muscles.
Right hip joint flexion by concentrically contracting the iliacus, psoas, rectus femoris, sartorius, pectineus, gluteus minimus, and the tensor fasciae muscles.
Left hip joint extension by ecentrically contracting the adductor magnus, semitendinosus, semimembranosus, biceps femoris, and gluteus maximus muscles.
Right knee joint flexion by concentrically contracting the biceps femoris, popliteus, semimembranosus, and semitendinosus muscles.
Left knee join extension by ecentrically contracting the rectus femoris, vastus intermedius, vastus lateralis and vastus medalis muscles.
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