II. Mechanism
- Prolonged Shoulder hyperabduction
- Occurs during sleep
- Overhead painting
- Compression of neurovascular structures
- Pass under coracoid process and pectoralis minor
III. Symptoms
- Extremity Numbness and Paresthesias
- Less severe than other forms of thoracic outlet
IV. Signs
V. Management
- Prevent arm hyperabduction at night
- Gauze strip tied to wrist and attached to foot of bed