Saturday, April 16, 2011

Preparatory Phase



The stance is facing in the direction of where the ball is coming towards you. Bilaterally flex the elbow joints and slightly bilaterally flex knee joints in the sagittal plane, along the mediolateral axis of rotation. And have the trunk slightly flex in the sagittal plane, along the mediolateral axis of rotation.

Shoulder Girdle:
R + L = Neutral


Shoulder Joint:
R + L = Neutral


Elbow Joint:
R + L = Flexed
Muscles used- Biceps Brachii, Brachialis, and Brachioradialis (Concentric)


Trunk:
Flexed
Muscles used- Abdominals (Concentric)


Knee Joint:
Flexed
Muscles used- Rectus femoris, Vastus Medialis, Vastus Lateralis, and Vastus Intermedius (Eccentric)



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