KROK 1 Stomatology 2012 – Question 10 · KROK (Dentistry)
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?
- A. M.supinator
- B. M.deltoideus
- C. M.coracobrachialis
- D. M.anconeus
- E. M.triceps brachii
Hint
Ask which muscle covering the shoulder joint is the main mover lifting the arm sideways up to the horizontal.
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