hamstring

Epidemiology

Adolescent apophyseal avulsion

- treat non operatively

- unless displaced > 2 cm

Adult

- soft tissue avulsion

Aetiology

Usually associated with sporting activities

- skiing

- water skiing

Violent contraction

- knee extended

- hip flexing

Anatomy

Endobutton + Interference screw +/- staple or post

Advantage

- endobutton simple yet strong fixation

- endobutton eliminates problem if blow out back wall