KROK 1 2023 – Question 23 · KROK (Medicine) · Human Anatomy
After falling from a tree, a person has problems with extending an arm into a horizontal position. What muscle most likely has been injured in this case?
- A. M. anconeus
- B. M. supinator
- C. M. deltoideus
- D. M. triceps brachii
- E. M. coracobrachialis
Hint
Think about which muscle caps the shoulder and carries out abduction of the arm beyond the first few degrees up to the horizontal.
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