Natural Bodybuilding - Workout Routines Reviews: Workout Routines ...

by Exercise @ Mon, 11 May 2009 03:00:09 -0400
Workout Routines - Exercise& Muscle Directory. The biceps brachii is a stronger elbow flexor when the radioulnar joint (forearm) is supinated. The biceps brachii is a stronger forearm supinator when the elbow is flexed. ...
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