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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 |