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shoulder mcls
| Question | Answer |
|---|---|
| Trapezius origin? | occipital bone, nuchal ligament, spine |
| Trapezius insertion? | spine scapula, acromion, lateral clavicle |
| Trapezius action? | retraction, elevation |
| Trapezius innervation? | cranial nerve 11 |
| Latissimus dorsi origin? | spine, sacrum, posterior illio crest, ribs, tip scapula |
| Latissimus dorsi insertion? | bicipital groove, crest of lesser tuberosity |
| Latissimus dorsi action? | ADD, extension, medial rotation |
| Levator scapulae origin? | tubercles posterior cervical vertebrae |
| Levator scapulae insertion? | medial corner scapula |
| Levator scapulae action? | elevation, tilts glenoid cavity inferiorly |
| Rhomboid minor and major origin? | c4 spinous process to t5 spinous process |
| Rhomboid minor and major insertion? | medial border scapula |
| Rhomboid minor and major action? | retraction, tilts glenoid cavity inferiorly |
| Serratus anterior origin? | first 8 ribs |
| Serratus anterior insertion? | medial border scapula (anterior surface) |
| Serratus anterior action? | protraction |
| Serratus anterior innervation? | long thoracic nerve |
| Supraspinatus origin? | supraspinous fossa |
| Supraspinatus insertion? | greater tubercle humerus |
| Supraspinatus action? | initiates AB humerus |
| Infraspinatus origin? | upper part infraspinous fossa |
| Infraspinatus insertion? | back greater tubercle humerus |
| Infraspinatus action? | external rotation humerus, extension, ADD |
| Teres minor origin? | lower part infraspinous fossa |
| Teres minor insertion? | back greater tubercle humerus |
| Teres minor action? | external rotation humerus, extension, ADD |
| Teres minor innervation? | axillary nerve |
| Teres major origin? | lower border scapula |
| Teres major insertion? | bicipital groove |
| Teres major action? | ADD, medial rotation, extension |
| Subscapularis origin? | subscapular fossa |
| Subscapularis insertion? | lesser tubercle humerus |
| Subscapularis action? | medial rotation, ADD |
| Deltiod origin? | spine scapula, acromion, lateral 3rd clavicle (traps insertion) |
| Deltoid insertion? | deltoid tuberosity |
| Deltiod action? | flexion, medial rotation, extension, lateral rotation, AB |
| Deltoid innervation? | axillary nerve |
| Biceps brachii origin? | long head: supragleniod tubercle short head: coracoid process |
| Biceps brachii insertion? | tuberosity radius |
| Biceps brachii action? | flexion elbow, supination forearm |
| Coracobrachialis origin? | coracoid process |
| Coracobrachialis insertion? | medial surface humerus |
| Coacobrachalis action? | flexion, ADD |
| Pectoralis minor origin? | 3rd to 5th rib |
| Pectoralis minor insertion? | coracoid process |
| Pectoralis minor action? | depression |
| Pectoralis minor innervation? | medial pectoral nerve |
| Pectoralis major origin? | medial 3rd clavicle, sternum, ribs |
| Pectoralis major insertion? | bicipital groove, crest of greater tuberosity |
| Pectoralis major action? | ADD, medial rotation, flexion |
| Pectoralis major innervation? | lateral and medial pectoral nerve |
| Triceps brachii origin? | long head: infraglenoid tubercle posterior surface |
| Triceps brachii insertion? | olecranon of luna |
| Triceps brachii action? | extension |
| Triceps brachii innervation? | radial nerve |