fracture

Anatomy

Posterolateral & Posteromedial tubercles

- separated by sulcus for FHL

Definition

Spinous process avulsion

- typically C7

- can be seen in thoracic spine

Mechanism

Complications

Subscapularis failure

Rotator cuff failure

Instability

Infection

Periprosthetic fracture

Aseptic loosening

Neurological injury

Incidence

Parada et al. J Should Elbow Surg 2021

- 2224 aTSA complication rate 11%, revision rate 5.6%