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Basic Biomechanics 5th Edition by Susan Hall
Edition 5ISBN: 978-0073044811Basic Biomechanics 5th Edition by Susan Hall
Edition 5ISBN: 978-0073044811 Exercise 11
A therapist applies a lateral force of 80 N to the forearm at a distance of 25 cm from the axis of rotation at the elbow. The biceps attaches to the radius at a 90° angle and at a distance of 3 cm from the elbow joint center.
a. How much force is required of the biceps to stabilize the arm in this position?
b. What is the magnitude of the reaction force exerted by the humerus on the ulna?
a. How much force is required of the biceps to stabilize the arm in this position?
b. What is the magnitude of the reaction force exerted by the humerus on the ulna?
Explanation
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a.) Remember that if a joint is in a sta...
Basic Biomechanics 5th Edition by Susan Hall
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