compression

Femoral Neck Stress Fractures

Aetiology

Athletes with increase activity / distance

Women with eating disorders /  amenorrhea

Types

Compression / inferior neck

- < 50% protective weight bear

- > 50% emergent ORIF

Tension side / superior neck

- emergent ORIF

Anatomy

Radial bow radius

- important for rotation

Interosseous membrane

- Z pattern

- proximal radius to distal ulna

Mechanism

Direct blow

- ulna / night stick