tension band wire

Mechanism

Direct blow

- most common

Indirect

- forced knee flexion with foot fixed / maximally contracted quadriceps

Types

1.  Vertical

2.  Transverse

Definition

Intra-articular proximal ulna fracture

Anatomy

Articulates with trochlea

- may have a central bare area

Triceps insertion

- via broad aponeurosis which blends with anconeus and CEO

Management

Non operative Management

Undisplaced fracture

- need to ensure triceps mechanism is intact