|This is a great ball
exercise to work the rotator cuff and scapular stabilizing muscles. For
efficient transfer of force from the upper extremity to the trunk one
needs good shoulder stability. The function of the rotator cuff is to
hold the humerus against the scapula, but what holds the scapula
against the rib cage? Muscles that stabilize the scapula are as
follows: serratus anterior, rhomboids, and trapezius muscles.
Repeat this ball exercise 6 times.
Repeat this ball exercise 10 times.
Repeat this ball exercise 15 times.
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