A 19-year-old boy fell from the motet- bike on his shoulder. The doctor diagnosed him a case of Erb's paralysis. The following signs and symptoms will be observed except-

Movements lost in Erb's paralysis : - Abduction and lateral rotation of shoulder. Flexion and supination of the forearm. Biceps and supinator jerks are lost Sensations are lost over a small area over the lower part of deltoid.