A 4-Year-Old Child Who Could Not Supinate Her Forearm

Sanjeev Tuli, MD; Maria Kelly, MD; Kathleen Ryan, MD; Sonal Tuli, MD; Beverly P. Giordano, MS, RN, CPNP, PMHS

J Pediatr Health Care. 2014;28(4):357-360.

Physical Examination

The child did not appear to be in distress and had age-appropriate vital signs and a body mass index of 18 kg/m². She had a normocephalic skull, and her ears were placed normally. Her cardiac examination was unremarkable, and her chest was clear. She was unable to actively or passively supinate the right forearm. Her right forearm was 1 cm shorter than the left, and she had an extra skin crease at the midradial aspect of the right forearm. Her left arm had full range of motion. She had full flexion and extension of both elbows. A neurologic examination revealed normal tone and reflexes.