Find and describe two examples of 2-joint muscles in either the
lower or upper extremity (such...
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Medical Sciences
Find and describe two examples of 2-joint muscles in either thelower or upper extremity (such as biceps femoris long head, rectusfemoris, biceps brachii, gastrocnemius, etc). Explain to me whichjoints these muscles cross and how they function in moving thosespecific joints.
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A two joint muscle is which crosses two joint and it produce actions on both joints But the simultaneous action of both joints results in a inability to produce enough force in the muscle This is called as insufficiency 1 Active insufficiency 2 Passive insufficiency Before seeing the two joint muscle its function should understand the concept of insufficiency This insufficiency is because of the length tension relationship in the muscle If a muscle presents in its optimal length it will produce maximum tension If it is lengthened more the tension will decrease But this lengthening increase the
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