Joints of the Shoulder Girdle

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Sternoclavicular Joint:

Bony Attachments:

• Medial end of the clavicle, part of costal cartilage of first rib and lateral surface of manubrium.

Supporting Ligaments:

• Anterior and posterior sternoclavicular ligament.

• Costoclavicular ligament.

• Intra-articular disc resists superior.

• Medial displacement of joint.

Movements:

• Elevation and flexion of the lateral clavicle.

Acromioclavicular Joint:

Bony Attachment:

• Lateral end of clavicle to the scapular acromion.

Supporting Ligaments:

• Coracoclavicular ligament (coracoid process of scapula to trapezoid line and conoid tubercle of clavicle).

• Coracoacromial ligament.

Movements:

• Around the vertical axis making the glenoid face further anteriorly.

• Around the horizontal axis making the glenoid face upward and laterally.

Glenohumeral Joint:

Bony Attachment:

• Humeral head and the glenoid fossa.

Supporting Ligaments:

• Glenohumeral ligament (superior, middle and inferior).

• Coracohumeral ligament.

• Transverse humeral ligament.

• Strong fibrous capsule (highly innervated).

• Small apertures through capsule for muscle tendons.

Movements:

• All directions.

Type of Joint:

• A ball and socket joint.

Chapters on Shoulder Anatomy:

1. Arteries of the Axilla
2. Arteries of the Shoulder Girdle
3. Axillary Artery Aneurysm
4. Axillary Fat and Fascia
5. Axillary Nerve Block
6. Bones and Fractures of the Upper Limb
7. Boundaries of the Axilla
8. Breast Cancer and Axillary Lymph Nodes
9. Erb-Duchenne Palsy
10. Joints of the Shoulder Girdle
11. Klumpke's Paralysis
12. Lymph Nodes of the Axilla
13. Muscles of the Axilla
14. Muscles of the Shoulder Girdle
15. Notes on Shoulder Bursae
16. Roots and Trunks of the Brachial Plexus
17. Winged Scapula in Computer Programmer
18. Transient Axillary Paralysis
19. Variation of Brachial Plexus Structure
20. Veins of the Axilla

Additional Reading:

Histology and Cytology

1. Cell Components
2. Nervous Tissue
3. Muscle Tissue
4. Lymphoid Tissue
5. Integument
6. Respiratory System
7. Gastrointestinal System
8. Renal/Urinary System
9. Male Reproductive System
10. Female Reproductive System

Gross Anatomy

1. Back and Nervous System
2. Thorax
3. Abdomen, Pelvis, and Perineum
4. Upper Limb
5. Lower Limb
6. Head and Neck
7. Chest Wall
8. Shoulder

Anatomy Videos

1. Video of Musculoskeletal Examination in a Clinical Setting
1. Video of HEENT Examination in a Clinical Setting

Related Topics

1. Jugular Venous Distention Workup

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