1. THE SHOULDER JOINT Chapter 5

2. Scapula Humerus Bones

3. 1. Acromion process 2. Spine 3. Superior angle 4. Inferior angle 5. Medial (Vertebral) border 6. Lateral (Auxiliary) border 7. Supraspinous fossa 8. Infraspinous fossa 1. 2. 3. 4. 5. 6. 7. 8. Scapula – Posterior View

4. 1. Acromion process 2. Coracoid process 3. Glenoid fossa or cavity 4. Inferior angle 5. Superior angle 6. Medial (Vertebral) border 7. Lateral (Auxiliary) border 8. Supscapular fossa 1.2. 3. 4. 5. 6. 7. 8. Scapula – Anterior View

5. 1. Acromion process 2. Coracoid process 3. Glenoid fossa or cavity 4. Spine 5. Supraspinous fossa 1. 2. 3. 4. 5. Scapula – Proximal View

6. 1. Acromion process 2. Coracoid process 3. Glenoid fossa or cavity 4. Superior angle 5. Inferior angle 1. 2. 3. 4. 5. Scapula – Lateral View

8. 1. Head 2. Lesser tubercle 9. Intertubercular Groove 10. Greater tubercle Humerus – Anterior View

9. 1. Head 5. Deltoid tuberoscity Humerus – Posterior View

10. Deltoid Tuberoscity

11. There are two joints to the shoulder complexjoints The acromioclavicular (AC) joint where the clavicle meets the acromion. The glenohumeral joint or the shoulder joint. Joints

12. Ball and socket joint Movement in all three planes Glenoid fossa Glenoid labrum Head of humerus Shoulder Joint

13. Joint Capsule

14. Four ligaments are the main source of stability for the shoulder, and help to keep the shoulder from dislocating. 1. Superior glenohumeral ligament 2. Coracohumeral 3. Middle glenohumeral ligament 4. Inferior glenohumeral ligament Joint Capsule

15. The coracoacromial ligament connects the coracoid process and the acromion process Coracoacromial ligament Other Ligaments

16. coracoacromial

17. A bursa is a saclike structure containing lubricating fluid and located between a tendon and a bone or between moving structures. Bursa

18. 1. Abduction 2. Adduction 3. Flexion 4. Extension 5. Horizontal adduction 6. Horizontal abduction 7. External (lateral) rotation 8. Internal (medial) rotation Shoulder (Glenohumeral) joint

19. Actions: Sagittal plane

20. Actions: Frontal plane

21. Actions: Transverse plane

23. Abduction/AdductionFlexion/Extension

24. Internal Rotation/External Rotation

25. Horizontal Adduction

26. Horizontal Abduction

27. ACTION Flexion Extension Adduction Abduction Horizontal Adduction Horizontal Abduction Internal Rotation External Rotation MUSLCE LOCATION Anterior Posterior Inferior Superior Medial Lateral Medial Lateral Shoulder Actions and Muscles

28. Humerus & Scapula Flexion Abduction & Elevation Upward rotation Extension Adduction & Depression Downward rotation

29. Humerus & Scapula Abduction Upward rotation & Elevation Adduction Downward rotation & Depression

30. Humerus & Scapula Internal Rotation Abduction External RotationAdduction