Contents
Anatomy pictures
Referred pain pattern
- Lateral aspect of shoulder
- Central part of posterior upper arm (central 1/3)
- Central part of posterior lower arm
- Central part of dorsal side of wrist radiating into the middle finger
Muscle type
- Postural
- Shortens when overactivated
Symptoms
- Difficulties adducting the arm on the posterior side of the body
Videoes
Short version
Detailed version
Anatomy
Position
- Deep
Origin
- Processus coracoideus scapula
Insertion
- Along the medial aspect of the humerus (middle 1/3)
Main function
- Shoulder:
- Flexion
- Adduction
Nerve innervation
- Segmental
- C5-C7
- Peripheral:
- Musculocutaneous
Arterial supply
- Brachial artery
- Anterior circumflex humeral artery