Biology · Human Physiology
Concentric muscle action occurs when ______. I. The contracting muscles are activated and shortening occurs II. Extensor muscles are activated and extension occurs III. Adductor muscles are activated and adduction occurs IV. The internal rotator muscles are activated and internal rotation occurs
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1I, II and III
- 2I, II and IV✓
- 3I, II, III and IV
- 4III and IV
Correct answer
I, II and IV
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