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upper extremity
Lat
| Question | Answer |
|---|---|
| Trapezius O | External Occipital Protuberance |
| Trapezius I | upper: lateral 1/3 of clavicle, acromion |
| Trapezius A | Upper: elevation, upward rotation of scapula |
| Trapezius N | Accessory N. and branches of C3, C4 |
| Latissimus Dorsi O | Thoracolumbar apneurosis, lower 6 thoracic sp, sacrum and iliac crest, lower 3 to 4 ribs, inferior angle of scapula |
| Latissimus Dorsi I | Bicipital groove of humerus |
| Latissimus Dorsi A | extention, medial rotation and adduction of humerus |
| Latissimus Dorsi N | Thoracodorsal N. |
| Teres Major O | Inferior Angle of scapula, lower 1/3 of axillary border of scapula |
| Teres Major i | Medial lip of bicipital groove of humerus |
| Teres Major A | Extension, Medial rotation and adduction of humerus |
| Teres Major N. | lower subscapular N |
| Teres Minor O | Upper 2/3 of axillary border of scapula |
| Teres Minor I | Greater tubercle of humerus |
| Teres Minor A | Lateral rotation, extension of humerus |
| SIT muscles = T | teres minor |
| SIT muscles = S | supraspinatus |
| SIT muscles = I | infraspinatus |
| Levator Scapulae O | C1-C4 TP |
| Levator Scapulae I | Vertebral border of scapula from superior angle to root of spine |
| levator scapulae A | Elevation, downward rotation |
| Levator scapulae N | Dorsal scapular and branches C3 C4 |
| Rhomboids Major and Minor O | Major: T2-T5, Minor: C7, T1 |
| Rhomboids Major and Minor I | Major: Vertebral border of scapula from root of spine to inferior angle, Minor: root of spine of scapula |
| Rhomboids Major and Minor A | Both: Retraction, downward rotation |
| Rhomboids N | Dorsal scapular N |
| Supraspinatus O | Supraspinatus fossa of scapula |
| Supraspinatus I | Greater tubercle of humerus (superior facet) |
| Supraspinatus A | Initiates abduction of humerus, stabalization of the head of humerus |
| Supraspinatus N | Suprascapular N |
| Infraspinatus O | Infraspinous fossa of scapula |
| Infraspinatus I | Greater tubercle of humerus (middle facet) |
| Infraspinatus A | Lateral rotation, extension of humerus |
| Infraspinatus N | Suprascapular N |
| Subscapularis O | Subscapular fossa of scapula |
| Subscapularis I | Lesser tubercle of humerus |
| Subscapularis A | Medial rotation and adduction of humerus |
| Subscapularis N | Upper and lower subscapular nerve |
| Rotator cuff muscles = | Supraspinatus, infraspinatus, teres minor, subscapularis |
| Pectoralis Major O | clavicular head; medial half of clavicle sternal head: sternum, cartilages of upper 6 ribs |
| Pectoralis Major I | Lateral lip of bicipital groove of humerus |
| Pec Major A | Adduction, horizontal adduction, and medial rotation of humerus Clavicular head: flexion of humerus Sternal head: extension of humerus |
| Pec Major N | clavicular head: lateral pec nerve sternal head: medial pec nerve |
| pec minor O | anterior surface of ribs 3,4,5 near costal cartilages |
| pec minor I | coracoid process of scapula on medial border of superior surface |
| pec minor A | protraction, depression, downward rotation of scapula |
| pec minor N | medial pec nerve |
| subclavius O | 1st rib costocartilage junction |
| subclavius I | inferior shaft of clavicle-middle 1/3 |
| subclavius A | stabalizes clavicle by moving it medially |
| subclavius N | nerve to subclavius |
| Serratus Anterior O | outer surface of upper 8 ribs |
| Serratus Anterior I | vertebral border of scapula-anterior surface |
| Serratus Anterior A | protraction, upward rotation of scapula, stabilizes scapula against chest wall |
| Serratus Anterior N | Long thoracic nerve |
| Coracobrachialis O | Coracoid process of scapula |
| Coracobrachialis I | middle 1/3 of medial surface of humeral shaft |
| Coracobrachialis A | Flexion & Adduction of humerus |
| Coracobrachialis N | musculocutaneous |
| Deltoids O | Anterior: lateral 1/3 of clavicle Middle: lateral acromion Posterior: spine of scapula |
| Deltoids I | Deltoid tuberosity |
| Deltoids A | Anterior: Flexion, horizontal adduction, medial rotation of humerus Middle: abduction of humerus to 90 degrees Posterior: extension, horizontal abduction, lateral rotation of humerus |
| Deltoids N | Axillary n |
| teres minor n | axillary |
| Triceps Brachii O | Long: infraglenoid tubercle of scapula Lateral:posterior humerus above spiral groove Medial: posterior humerus below spiral groove |
| Triceps brachii I | Olecranon process of ulna |
| Triceps brachii A | extension of elbow, long: extension of humerus |
| Triceps brachii N | radial |
| Anconeus O | Lateral epicondyle of humerus |
| Anconeus I | Olecranon process and posterior surface ulna |
| Anconeus A | assists in extension of elbow |
| Anconeus N | radial |
| Brachialis O | Lower half of anterior shaft of humerus |
| Brachialis I | Tuberosity of ulna, coronoid process of ulna |
| brachialis A | flexion of elbow |
| brachialis n | musculocutaneous |
| Biceps brachii O | short: coracoid process of scapula long: supraglenoid tubercle of scapula |
| Biceps brachii I | tuberosity of radius, bicipital aponeurosis, |
| Biceps brachii A | flexion of elbow, supination of forearm short: flexion of humerus |
| biceps brachii N | musculocutaneous |
Created by:
bmcvey
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