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Exam questionKROK 1Dentistry ยท 2011

A boy has fallen down from a tree. Now he finds it difficult to abduct his arm into horizontal position. Which muscle is most likely to be injured?

Answer options

  1. M.coracobrachialis
  2. M.anconeus
  3. M.supinator
  4. M.deltoideus
  5. M.triceps brachii
Correct answer

M.deltoideus

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