The Shoulder Girdle notes
The Shoulder Girdle notes EXSS 12100 01
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EXSS 12100 01
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This 1 page Bundle was uploaded by Natalie Notetaker on Saturday March 5, 2016. The Bundle belongs to EXSS 12100 01 at Ithaca College taught by Thomas Swensen in Fall 2016. Since its upload, it has received 65 views.
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Date Created: 03/05/16
Shoulder Girdle 2 Main components: Clavicle and Scapula Clavicle: connects to both the sternum and the acromion process of the scapula Scapula: connects to the lateral end of the clavicle and the glenoid cavity of the scapula connects to the head of the humerus The 2 Joints: Sternoclavicular and Acromioclavicular they’re both diarthrotic gliding joints and are multiaxial Sternoclavicular Joint: comprised of Anterior & Posterior Sternoclavicular, Interclavicular (isn’t seen on model), and Costoclavicular (isn’t seen on the model) Acromioclavicular Joint: comprised of the Acromioclavicular, Coracoclavicular (two parts Conoid Coracoclavicular and Trapezoid Coracoclavicular) Movements: 1. Upward & Downward Rotation 2. Elevation & Depression (only on the scapula) 3. Lateral & Medial Rotation 4. Protraction (abduction) and Retraction (adduction) Muscles and Movements: 1. Trapezius: upper fibers elevates (upper fibers) the scapula, lower fibers depress (lower fibers) and retracts (adduct, middle fibers) the scapula 2. Levator Scapulae: elevates medial part of the scapula 3. Rhomboid Muscles (major & minor): medially rotate and retract (adduct) 4. Serratus Anterior: protract (abduct) and both medially (upper fiber) and laterally (lower fiber) rotate 5. Pectoralis Minor: protracts and medially rotates
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