ACSM
010-111 · Question #13
A subject with elbows held at 90 degrees of flexion is handed a 150 lb (68.1kg) barbell. Even though he exerts maximal tension, the barbell causes the joint angle to increase to 170 degrees. Which one
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Question
A subject with elbows held at 90 degrees of flexion is handed a 150 lb (68.1kg) barbell. Even though he exerts maximal tension, the barbell causes the joint angle to increase to 170 degrees. Which one of the following describes the muscle action during the extension?
Options
- AIsotonic concentric
- BIsotonic eccentric
- CIsokinetic concentric
- DIsokinetic eccentric
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Topics
#eccentric contraction#isotonic muscle action#elbow extension#muscle mechanics