Anatomy In a patient with erb’s palsy, paralysis of which of the following muscles results in medial rotation of the arm? A Supraspinatus and deltoid B Teres major and biceps brachii C Infraspinatus and teres minor D Biceps brachii, brachialis and brachioradialis 💡 Explanation In a patient with erb's palsy, paralysis of which of the following muscles results in medial rotation of the arm? ✓ Correct Answer: C. Infraspinatus and teres minor