18 O A person is holding their arm out 28° above the horizontal. The mass of their arm is 4.skg the com is located and 0.21m from the elbow Calong the length of the arm). The biceps inserts at an ang le of su degrees with a moment arm OF 0.86m.what iS the muscle moment required to maintain this static position Hand O.42m from eibow to hand FM 280 Elbow
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