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shoulder mcls

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
Created by: tenchica27



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