THE SHOULDER THE SHOULDER GIRDLEGIRDLE
THE ACROMIOCLAVICULAR THE ACROMIOCLAVICULAR (AC) JOINT(AC) JOINT
THE BONESTHE BONES
ClavicleClavicle
Humerus – Anterior ViewHumerus – Anterior View
1. Head1. Head2. Lesser tubercle2. Lesser tubercle5. Medial epicondyle5. Medial epicondyle6. Trochlea6. Trochlea7. Capitulum7. Capitulum8. Lateral 8. Lateral
epicondyleepicondyle9. Intertubercular 9. Intertubercular
GrooveGroove
1. Head1. Head
5. Deltoid 5. Deltoid tuberositytuberosity
6. Lateral 6. Lateral epicondyle epicondyle
7. Olecranon fossa 7. Olecranon fossa
9. Medial 9. Medial epicondyleepicondyle
Humerus – Posterior ViewHumerus – Posterior View
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
DepressionDepression StabilizationStabilization
Acromioclavicular (AC) jointAcromioclavicular (AC) joint
1. Elevation 1. Elevation 2. Depression2. Depression3. Adduction 3. Adduction
((RetractionRetraction))4. Abduction4. Abduction
((ProtractionProtraction))5. Upward rotation5. Upward rotation6. Downward 6. Downward
rotationrotation
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
THE SHOULDER JOINTTHE SHOULDER JOINTTHE GLENOHUMERAL JOINTTHE GLENOHUMERAL JOINT
Shoulder (Glenohumeral) Shoulder (Glenohumeral) jointjoint
1. Abduction1. Abduction 2. Adduction2. Adduction 3. Flexion3. Flexion 4. Extension4. Extension 5. Horizontal adduction5. Horizontal adduction 6. Horizontal abduction6. Horizontal abduction 7. External (lateral) rotation7. External (lateral) rotation 8. Internal (medial) rotation8. Internal (medial) rotation
Abduction/Adduction Flexion/Extension
Internal Rotation/External Rotation
Horizontal AdductionHorizontal Adduction
Horizontal AbductionHorizontal Abduction
GH Actions and MusclesGH Actions and Muscles
ACTIONACTION Flexion Flexion ExtensionExtension AdductionAdduction AbductionAbduction Horizontal AdductionHorizontal Adduction Horizontal AbductionHorizontal Abduction Internal RotationInternal Rotation External RotationExternal Rotation
MUSLCE LOCATIONMUSLCE LOCATION AnteriorAnterior PosteriorPosterior InferiorInferior SuperiorSuperior MedialMedial LateralLateral MedialMedial LateralLateral
