click below
click below
Normal Size Small Size show me how
Upper Limb Muscles
| Question | Answer |
|---|---|
| trapezius | External occipital protuberance, spinous processes of C1-T12 --> Spine and acromion of scapula; ELEVATE and RETRACT scapula |
| pectoralis minor | ribs --> coracoid process; DEPRESS scapula |
| serratus anterior | lateral rib surface --> medial border of scapula; PROTRACTION of scapula |
| Rhomboids | thoracic spinous process --> medial border of scapula; RETRACT scapula |
| levator scapulae | cervical transverse processes --> superior angle of scapula; ELEVATE scapula |
| deltoid | scapula and clavicle --> deltoid tuberosity; ABDUCTION of humerus |
| Coracobrachialis | coracoid process --> middle 1/3 of humerus; ADDUCTION of humerus |
| pectoralis major | sternum and clavicle --> intertubercular groove; FLEXION of humerus |
| latissimus dorsi | Thoracic and lumbar spinous processes --> intertubercular groove; EXTENSION and MEDIAL rotation of humerus |
| teres major | inferior angle of scapula --> intertubercular groove; EXTENSION and MEDIAL rotation of humerus |
| Supraspinatus | supraspinous fossa --> greater tubercle; LATERAL rotation, ABDUCTION of humerus |
| infraspinatus | infraspinous fossa --> greater tubercle; LATERAL rotation of humerus |
| teres minor | inferior angle of scapula --> greater tubercle; LATERAL rotation of humerus |
| subscapularis | subscapular fossa --> lesser tubercle; MEDIAL rotation of humerus |
| biceps brachii | scapula --> radial tuberosity; FLEXION of humeroulnar joint |
| brachialis | humerus --> ulnar tuberosity; FLEXION of humeroulnar joint |
| triceps branchii | scapula and humerus --> olecranon process; EXTENSION of humeroulnar joint |
| flexor digitorum superficialis | medial epicondyle --> phalanges (2-5); FLEXION of digits |
| pronator teres | medial epicondyle --> lateral surface of radius; PRONATION of antebrachium |
| flexor carpi radialis | medial epicondyle --> radial carpals; FLEXION of wrist |
| palmaris longus | medial epicondyle --> palmar aponeurosis; TENSION of palmar aponeurosis |
| flexor carpi ulnaris | medial epicondyle --> ulnar carpals; FLEXION of wrist |
| brachioradialis | lateral epicondyle --> styloid process of radius; FLEXION of humeroulnar joint |
| extensor carpi radialis (longus and brevis) | lateral epicondyle --> radial carpals; EXTENSION of wrist |
| extensor digitorum | lateral epicondyle --> phalanges (2-4); EXTENSION of digits |
| extensor digiti minimi | lateral epicondyle --> phalanx (5); EXTENSION of digit |
| extensor carpi ulnaris | lateral epicondyle --> ulnar carpals; EXTENSION of wrist |
| supinator | lateral epicondyle and ulna --> anterior surface of radius; SUPINATION of antebrachium |
| scapula muscles | trapezius (elevate, retract), serratus anterior (protract), pectoralis minor (depress), rhomboid muscles (major, minor) (retract), levator scapulae (elevate) |
| shoulder: humerus shaft muscles | deltoid (abduct), coracobrachialis (adduct), pectoralis major (flexion), latissimus dorsi, teres major (extension) |
| shoulder: humerus head muscles | supraspinatus, infraspinatus, teres minor (LATERAL rotation), subscapularis (MEDIAL rotation) |
| brachium: anterior | brachialis, biceps |
| brachium: posterior | triceps |
| antebrachium: anterior | flexor digitorum (superficialis, profundus), pronator teres, flexor carpi radialis, palmaris longus, flexor carpi ulnaris FLEXION, pronation; originate from medial epicondyle |
| antebrachium: posterior | brachioradialis (flexor), extensor carpi radialis, extensor digitorum, extensor digiti minimi, extensor carpi ulnaris, supinator EXTENSION, supination; from lateral epicondyle |
| masseter and temporalis innervated by.... | trigeminal (CN V); close jaw |
| pterygoids | move jaw side to side |
| facial expression muscles innervated by.... | facial nerve (CN VII) |
| sternocleidomastoid and trapezius innervated by.... | spinal accessory (CN XI) |
| mastication muscles | masseter, temporalis, pterygoids |
| facial expression muscles | zygomaticus, frontalis, oculi, orbicularis, oris, buccinator, platysma, occipitalis |
| cranial neck muscles | sternocleidomastoid, trapezius |