<prompt> All of the following features can be observed after the injury to axillary nerve, except -Loss of rounded contour of shoulderLoss of sensation along lateral side of upper armLoss of overhead abductionAtrophy of deltoid muscle  <response>: Muscles responsible for abduction of the shoulder joint- Supraspinatus- first 15 degrees of abduction- Deltoid Acromial fibers - it is responsible for abduction from 15 to 90 degrees. It does not take part in overhead abduction.- Trapezius and serratus anterior- They are responsible for upward rotation of the glenoid cavity. And thus helps in abduction over 90 degrees. 