Acromioclavicular Joint
The structure indicated is the
acromioclavicular joint. The shoulder joint complex consists of the
three joints:
- Glenohumeral joint
- Acromioclavicular joint
- Sternoclavicular joint
The acromioclavicular joint is formed between the acromion of the scapula and the clavicle. It is a small synovial joint that is stabilised by the following ligaments:
- Acromioclavicular ligament (consists of superior and inferior parts)
- Coracoclavicular ligaments
The
coracoclavicular ligaments consist of two parts:
- Trapezoid ligament
- Conoid ligament
Learn more about the
shoulder joint in this anatomy tutorial.