After radical mastectomy there was injury to the long thoracic nerve. The integrity of the nerve can be tested at the bedside by asking the patient to:-: (A) Shrug the shoulders, (B) Raise the arm above the head on the affected side, (C) Touch the opposite shoulder, (D) Lift a heavy object from the ground
Answer is B. Nerve Muscle Movement long thoracic nerve serratus anterior overhead abduction. spinal accessory nerve trapezius Shrugging of shoulder Lateral and medial pectoral nerves Pectoralis major touching the opposite shoulder.