Muscles of the Shoulder and Arm www.booksofdiscovery.com Options for this Presentation 1. Add your own customized text to individual slides. Click on the “Text” box on each page. 2. Add a new page (or pages) to your presentation using the blank slide provided at the end of each chapter. 3. Add individual slides from this presentation to an existing PP presentation using the “Insert Slides from File” command. Splenius capitis Levator scapula Rhomboids major and minor Supraspinatus Trapezius Infraspinatus Deltoid Infraspinatus Teres minor Teres minor Teres major Teres major Triceps brachii Triceps brachii Latissimus dorsi Erector spinae group Thoracolumbar aponeurosis Serratus posterior inferior Thoracolumbar aponeurosis (cut and reflecte (2.33) Posterior view of shoulder and back. Latissimus dorsi, trapezius and deltoid are removed on right side. ILLUSTRATIONS COPYRIGHT 2006 BOOKS OF DISCOVERY TGB, p.69 Bones of the Shoulder and Arm Text Sternoclavicular (S/C) joint Cervical vertebra Acromioclavicular (A/C) joint Clavicle Glenohumeral joint Humerus Sternum Scapula Ribs (2.7) Anterior view with ribs removed on left side ILLUSTRATIONS COPYRIGHT 2006 BOOKS OF DISCOVERY TGB, p.56 Bony Landmarks Greater tubercle Text Head of the humeru Lesser tubercle Crest of greater tubercle Intertubercular groove Crest of lesser tubercle Deltoid tuberosity (2.10) Anterior view of right humerus Lateral supracondylar ridge Lateral condyle Lateral epicondyle Radial fossa Capitulum ILLUSTRATIONS COPYRIGHT 2006 BOOKS OF DISCOVERY Medial supracondylar ridg Medial condyle Medial epicondyle Coronoid fossa Trochlea TGB, p.58 Trail 1 “Along the Edges” Spine of the Scapula Text Medial Border (2.14) Partner prone with spine of the scapula highlighted Text (2.15) Sculpting out the medial border ILLUSTRATIONS COPYRIGHT 2006 BOOKS OF DISCOVERY TGB, p.60 Shoulder (glenohumeral joint) Lateral Rotation (external rotation) Deltoid (posterior fibers) Infraspinatus Teres minor Text Posterior view Medial Rotation (internal rotation) Deltoid (anterior fibers) Latissimus dorsi Teres major Subscapularis Pectoralis major (all fibers) Posterior view Anterior view ILLUSTRATIONS COPYRIGHT 2006 BOOKS OF DISCOVERY TGB, p.72,73 Levator Scapula Trapezius A Unilaterally: Splenius capitis Elevate the scapula (scapulothoracic joint) Levator scapula Downwardly rotate the scapula (s/t joint) Posterior scalene Laterally flex the head and neck Sternocleidomastoid Rotate the head and neck to the same side Middle scalene Bilaterally: Extend the head and neck O Transverse processes of first through fourth cervical vertebrae Omohyoid (2.77) Lateral view a a) Transverse processes of C-1 through C-4 I Upper region of medial border and angle of scapula N Dorsal scapular and cervical nerves ILLUSTRATIONS COPYRIGHT 2006 BOOKS OF DISCOVERY (2.76) Posterior view of levator scapula TGB, p.91,92 Levator Scapula Text O (2.78) Origin and insertion of levator scapula I (2.79) Partner prone Trapezius ILLUSTRATIONS COPYRIGHT 2006 BOOKS OF DISCOVERY TGB, p.92