Diagnosis

Radius, extraarticular, avulsion of bicipital tuberosity (AO/OTA 2R1A1)

print

 

Avulsions of the bicipital tuberosity is classified as a 2R1A1 injury.

Biceps tendon avulsions usually occur without fracture. Weakness of supination suggests biceps tendon avulsion. 

X-ray taken from Orozco R et al, (1998) Atlas of Internal Fixation. Used with kind permission.