1) Antagonistic muscles are pairs of muscles which a) contract and shorten together. b) relax and lengthen together. c) work in opposition to each other. d) none of the above. 2) The muscle from the antagonistic pair which contracts and shortens is called the a) antagonist. b) agonist. c) protagonist. d) none of the above. 3) Which statement below is TRUE concerning the biceps brachii muscles which helps move the upper arm at the elbow joint? a) During flexion, the biceps relaxes and pulls on the ulna. b) The biceps is called the extensor muscle. c) The biceps has three tendons of insertion and one origin. d) During flexion, the biceps contracts and shortens and pulls on the radius. 4) Which statement is FALSE concerning the action of the triceps brachii? a) During extension of the forearm, it relaxes and pulls on the radius. b) During extension of the forearm, it contracts, shortens and pulls on the ulna. c) During flexion of the forearm, it relaxes. 5) Which statement is FALSE concerning tendons in the forearm or upper limb? a) The triceps brachii has three tendons of origin; two on the humerus and one on the scapula. b) The biceps brachii has two tendons of origin on the neck of the scapula. c) The triceps brachii has three tendons of insertion on the ulna. d) The biceps brachii has one tendon of insertion on the radius.
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Movements of the upper limb (forearm)
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U25162276
High school
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Adult Education
Anatomy
Biology
Integrated Science
physical education
Physiology
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да я направи публична.
Тази класация е забранено от собственика на ресурса.
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