Intrinsic shoulder muscles (action)

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- - Question
  - Answer
- - What are the actions of deltoid (5)?
  - Flexes arm (anterior part of deltoid); medially rotates arm (anterior part); abducts arm (middle part); extends arm (posterior part); laterally rotates arm (posterior part) Show answerWrong Right
- - What are the actions of supraspinatus (2)?
  - Abducts arm (initiates); holds humeral head in glenoid cavity Show answerWrong Right
- - What are the actions of infraspinatus and teres minor (2)?
  - Both: laterally rotate arm; hold humeral head in glenoid cavity Show answerWrong Right
- - What are the actions of teres major (2)?
  - Abducts arm; medially rotates arm Show answerWrong Right
- - What are the actions of subscapularis (3)?
  - Medially rotates arm; adducts arm; holds humeral head in glenoid cavity Show answerWrong Right

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Tags: MBBS2, Sc13, Sc13L03, Sc13L04, Anatomy, Upper limb, Muscle

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