hook test

Distal Biceps Tendon Rupture

Epidemiology

 

Dominant arm of middle aged men

- between 40 and 60

 

Aetiology

 

Sudden dramatic event

- sporting / weightlifting injury

- resisting heavy extension load

 

Pathology

 

Degenerative changes seen on histology

 

Types

 

Complete

- retracted / rupture of lacertus fibrosis

- minimally retracted