Step 3:

Ball is released, keep arms extended and athletic stance to finish the movement

Shoulder Girdle - Both shoulders are abducting in upward rotation  with flexion while contracting eccentrically.

Elbow - Both Elbows are in extension as the Triceps Brachii is contracting eccentrically and the Biceps Brachii are contracting concentrically.

Wrist - Both wrists, hands, fingers and thumbs are in flexion with the Flexor Digitorum superficialis with the flexor pollicis longus contracting concentrically.  Both wrists are in flexion eccentrically contracting their flexor carpi radialis, and Palmaris Longus and Flexor Carpi Ulnaris