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Shoulder & Upper Arm Injuries

Shoulder & Upper Arm Injuries. Muscular Anatomy. Shoulder & Upper Arm - Anatomy. Introduction On a piece of paper, make a list of as many muscular structures of the shoulder & upper arm as you can recall. Get with a partner & share what you have on your lists.

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Shoulder & Upper Arm Injuries

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  1. Shoulder & Upper Arm Injuries Muscular Anatomy

  2. Shoulder & Upper Arm - Anatomy • Introduction • On a piece of paper, make a list of as many muscular structures of the shoulder & upper arm as you can recall. • Get with a partner & share what you have on your lists.

  3. Shoulder & Upper Arm - Anatomy • Objectives • Students will be able to: • Identify and label relevant muscles of the shoulder & upper arm • Recognize & demonstrate anatomical movements of the shoulder

  4. Shoulder & Upper Arm – AnatomyTerminology Tendon Connect muscle to bone Range of Motion (ROM) A measurable degree of anatomical movement at a particular joint

  5. Shoulder & Upper Arm – AnatomyMuscular • Deltoid • Posterior • Origin • Scapular spine • Insertion • Deltoid tuberosity of humerus • Action • Extension, Horizontal abduction of the humerus

  6. Shoulder & Upper Arm – AnatomyMuscular • Deltoid • Middle • Origin • Acromion process • Insertion • Deltoid tuberosity of humerus • Action • Abduction of the humerus to 90 degrees

  7. Shoulder & Upper Arm – AnatomyMuscular • Deltoid • Anterior • Origin • Lateral clavicle • Insertion • Deltoid tuberosity of humerus • Action • Flexion, Horizontal adduction of the humerus

  8. Shoulder & Upper Arm – AnatomyMuscular • Latissimus Dorsi • Origin • Spinous process T6-S5, iliac crest • Insertion • Medial humerus • Action • Extension, adduction of humerus

  9. Shoulder & Upper Arm – AnatomyMuscular • Rotator Cuff • Supraspinatus • Infraspinatus • Teres Minor • Subscapularis

  10. Shoulder & Upper Arm – AnatomyMuscular • Supraspinatus • Origin • Supraspinous fossa of scapula • Insertion • Greater tubercle of humerus • Action • Abduction of the humerus • Stabilize head of humerus

  11. Shoulder & Upper Arm – AnatomyMuscular • Infraspinatus • Origin • Infraspinous fossa of scapula • Insertion • Greater tubercle of humerus • Action • External rotation of the humerus • Stabilize head of humerus

  12. Shoulder & Upper Arm – AnatomyMuscular • Teres Minor • Origin • Axillary border of scapula • Insertion • Greater tubercle of humerus • Action • External rotation of the humerus • Stabilize head of humerus

  13. Shoulder & Upper Arm – AnatomyMuscular • Subscapularis • Origin • Subscapular fossa of scapula • Insertion • Lesser tubercle of humerus • Action • Internal rotation of the humerus • Stabilize head of humerus

  14. Shoulder & Upper Arm – AnatomyMuscular • Pectoralis Major • Origin • Medial clavicle, sternum, costal cartilage (1-6) • Insertion • Lateral Humerus • Action • Flexion, adduction of humerus

  15. Shoulder & Upper Arm – AnatomyMuscular • Pectoralis Minor • Origin • Anterior ribs 3-5 • Insertion • Coracoid process • Action • Protraction of scapula

  16. Shoulder & Upper Arm – AnatomyMuscular • Biceps Brachii • Origin • Short Head-coracoid process • Long Head-supraglenoid tubercle of scapula • Insertion • Radial tuberosity • Action • Shoulder Flexion • Elbow flexion

  17. Shoulder & Upper Arm – AnatomyMuscular • Triceps Brachii • Origin • Long Head-infraglenoid tubercle of scapula • Lateral Head-posterior humerus • Medial Head- posterior humerus • Insertion • Olecranon process of ulna • Action • Shoulder Extension • Elbow extension

  18. Shoulder & Upper Arm – AnatomyMuscles – Review – White Boards • Get white board & marker • Return to seat • View Review Power Point • Identify structure & write answer on white board • Show answer when prompted

  19. Shoulder & Upper Arm – AnatomyMuscles – Anatomical Movements • What causes muscles to move? • Muscle contraction

  20. Name the anatomical movements of the shoulder? Flexion Extension Abduction Adduction Internal Rotation External Rotation Circumduction Shoulder & Upper Arm – AnatomyMuscles – Anatomical Movements

  21. Shoulder & Upper Arm – AnatomyMuscles - Anatomical Movements • Flexion • To bend, decrease the angle of a joint

  22. Shoulder & Upper Arm – AnatomyMuscles - Anatomical Movements • Extension • To straighten, increase the angle of a joint (restore to anatomical position)

  23. Shoulder & Upper Arm – AnatomyMuscles - Anatomical Movements • Abduction • Away from the mid-line

  24. Shoulder & Upper Arm – AnatomyMuscles - Anatomical Movements • Adduction • Toward the mid-line

  25. Shoulder & Upper Arm – AnatomyMuscles - Anatomical Movements • Internal Rotation • Movement around a central axis toward the median plane

  26. Shoulder & Upper Arm – AnatomyMuscles - Anatomical Movements • External Rotation • Movement around a central axis away from the median plane

  27. Shoulder & Upper Arm – AnatomyMuscles - Anatomical Movements • Circumduction • Movement in a circular pattern that outlines a cone

  28. Shoulder & Upper Arm – AnatomyMuscles – Anatomical Movements • Get with a partner & take turns asking each other to demonstrate anatomical movements of the shoulder Palpate the origin & insertion of each muscle to feel the muscle action

  29. Shoulder & Upper Arm – AnatomyMuscles – Anatomical Movements • “Because I said so!” • Stand up • Establish some space around you • Demonstrate the anatomical movement called out

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