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AN 5102
Upper Extremity Muscles - Shoulder/ Pectoral Region
| Term | Definition |
|---|---|
| Trapezius - Origin | |
| Trapezius - Insertion | |
| Trapezius - Innervation | |
| Trapezius - Action | |
| Latissimus Dorsi - Origin | |
| Latissimus Dorsi - Insertion | |
| Latissimus Dorsi - Innervation | |
| Latissimus Dorsi - Action | |
| Rhomboid Major - Origin | |
| Rhomboid Major - Insertion | |
| Rhomboid Major - Innervation | |
| Rhomboid Major - Action | |
| Rhomboid Minor - Origin | |
| Rhomboid Minor - Insertion | |
| Rhomboid Minor - Innervation | |
| Rhomboid Minor - Action | |
| Levator Scapulae - Origin | |
| Levator Scapulae - Insertion | |
| Levator Scapulae - Innervation | |
| Levator Scapulae - Action | |
| Pectoralis Major - Origin | Clavicular head: medial 1/2 of clavicle Sternocostal head: anterior surface of sternum, 1st-6th costal cartilages, aponeurosis external oblique m. |
| Pectoralis Major - Insertion | Lateral lip intertubercular groove of humerus |
| Pectoralis Major - Innervation | Lateral pectoral n (C5-C7), medial pectoral n. (C8-T1) |
| Pectoralis Major - Action | Humerus: adduction, medial rotation Sternal head: helps extend a flexed humerus Clavicular head: helps flex humerus |
| Pectoralis Minor - Origin | |
| Pectoralis Minor - Insertion | |
| Pectoralis Minor - Innervation | |
| Pectoralis Minor - Action | |
| Subclavius - Origin | |
| Subclavius - Insertion | |
| Subclavius - Innervation | |
| Subclavius - Action | |
| Serratus Anterior - Origin | |
| Serratus Anterior - Insertion | |
| Serratus Anterior - Innervation | |
| Serratus Anterior - Action | |
| Deltoid - Origin | |
| Deltoid - Insertion | |
| Deltoid - Innervation | |
| Deltoid - Action | |
| Subscapularis - Origin | |
| Subscapularis - Insertion | |
| Subscapularis - Innervation | |
| Subscapularis - Action | |
| Supraspinatus - Origin | |
| Supraspinatus - Insertion | |
| Supraspinatus - Innervation | |
| Supraspinatus - Action | |
| Infraspinatus - Origin | |
| Infraspinatus - Insertion | |
| Infraspinatus - Innervation | |
| Infraspinatus - Action | |
| Teres Minor- Origin | |
| Teres Minor - Insertion | |
| Teres Minor - Innervation | |
| Teres Minor - Action | |
| Teres Major - Origin | |
| Teres Major - Insertion | |
| Teres Major - Innervation | |
| Teres Major - Action |