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:-
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.
Shrug the shoulders
Raise the arm above the head on the affected side
Touch the opposite shoulder
Lift a heavy object from the ground
Upper limb bones and muscles (proximal region) & Scapular movements