THE SHOULDER THE SHOULDER GIRDLEGIRDLE

Chapter 4Chapter 4

THE BONESTHE BONES

ClavicleClavicle

ScapulaScapula

Scapula – Posterior ViewScapula – Posterior View

1.1. Acromion processAcromion process2.2. SpineSpine3.3. Superior angleSuperior angle4.4. Inferior angleInferior angle5.5. Medial (Vertebral) Medial (Vertebral)

borderborder6.6. Lateral (Auxiliary) Lateral (Auxiliary)

borderborder7.7. Supraspinous Supraspinous

fossafossa8.8. Infraspinous fossaInfraspinous fossa

1.

2.

3.

4.

5.6.

7.

8.

Scapula – Anterior ViewScapula – Anterior View

1. Acromion process1. Acromion process2. Coracoid process2. Coracoid process3. Glenoid fossa or 3. Glenoid fossa or

cavitycavity4. Inferior angle 4. Inferior angle 5. Superior angle5. Superior angle6. Medial (Vertebral) 6. Medial (Vertebral)

borderborder7. Lateral (Auxiliary) 7. Lateral (Auxiliary)

borderborder8. Supscapular fossa8. Supscapular fossa

1. 2.

3.

4.

5.

6.7.

8.

Scapula – Proximal (Top) ViewScapula – Proximal (Top) View

1. Acromion 1. Acromion processprocess

2. Coracoid 2. Coracoid processprocess

3. Glenoid fossa 3. Glenoid fossa or cavityor cavity

4. Spine4. Spine

5. Supraspinous 5. Supraspinous fossafossa

1.

2.

3.

4.

5.

Scapula – Lateral ViewScapula – Lateral View

1. Acromion process1. Acromion process2. Coracoid process2. Coracoid process3. Glenoid fossa or 3. Glenoid fossa or

cavitycavity4. Superior angle4. Superior angle5. Inferior angle5. Inferior angle

1.

2.

3.

4.

5.

Can You Name Them?Can You Name Them?

II. JOINTS AND THEIR ACTIONSII. JOINTS AND THEIR ACTIONS

Sternoclavicular jointSternoclavicular joint

Acromioclavicular (AC) jointAcromioclavicular (AC) joint

1. Elevation 1. Elevation 2. Depression2. Depression3. Adduction 3. Adduction

((RetractionRetraction))4. Abduction 4. Abduction

((ProtractionProtraction))5. Upward rotation5. Upward rotation6. Downward rotation6. Downward rotation

Depression/Elevation Protraction/Retraction

                                   

          

                                     

        

AbductionAdduction

Left Scapula Right Scapula

Upward Rotation

Downward Rotation

Upward Rotation

Downward Rotation

Left Scapula Right Scapula

AC Actions and MusclesAC Actions and Muscles

ACTIONACTION ElevationElevation DepressionDepression AdductionAdduction AbductionAbduction Upward rotationUpward rotation Downward rotationDownward rotation

MUSLCE LOCATIONMUSLCE LOCATION SuperiorSuperior InferiorInferior MedialMedial LateralLateral Depends on the line Depends on the line

of pullof pull Depends on the line Depends on the line

of pullof pull