UE Orgins Flashcards
Upper Trapezius
(1) external occipital protuberance
(2) medial 1/3 of the superior nuchal line of occiput
(3) upper aspect of ligamentum nuchae
Middle Trapezius
(1) inferior aspect of ligamentum nuchae
(2) spinous processes of 7th cervical and upper thoracic
Lower Trapezius
spinous process of inferior thoracic vertebrae
Teres Major
Dorsal surface of inferior angle of scapula
Posterior Deltoid
posterior border of the spine of the scapula
Middle Deltoid
superior surface of the acromion
Rhomboid Major
spinous processes of T2- T5
Rhomboid Minor
nuchal ligament, spinous processes of C7-T1
Levator Scapulae
transverse processes of C1-C4
Latisimus Dorsi
Spinous processes of T7-T12, thoracolumbar fascia, iliac crest and last three or four ribs
Pectoralis Major
medial half of clavicle, sternum, superior six costal cartilage, apponeurosis of external abdominal oblique
Pectoralis Minor
third to fifth ribs
Serratus Anterior
upper eight ribs
Supraspinatus
supraspinatus fossa of scapula
Infraspinatus
infraspinatus fossa of scapula
Teres Minor
lateral border of scapula
Subscapulatis
sub-scapular fossa of scapula
Biceps Brachii
short head - apex of coracoid process of scapula
long head - supraglenoid tubercle of scapula
Triceps Brachii
(1) long head - infraglenoid tubercle of scapula
(2) lateral head - posterior surface of the humerus
(3) medial head - posterior surface of humerus inferior to radial groove
Pronator Teres
medial epicondyle of humerus, and coronoid process of ulna
Pronator Quadratus
distal fourth of anterior surface of ulna
Supinatur
lateral epicondyle of humerus; radial collateral, and annular ligaments; supinator fossa; and crest of ulna
Brachialis
distal half of anterior humerus
brachioradialis
proximal 2/3 of lateral supracondylar ridge of humerus
coracorachialis
tip of the coracoid process of scapula
flexor carpi radialis
medial epicondyle of humerus
flexor carpi ulnaris
humeral head - medial epicondyle of humerus
ulnar head - olecranon and posterior border of ulna
flexor digitorum superficialis
Humeroulnar head- medial epicondyle of humerus, ulnar collateral ligament, and coronoid process of ulna
Rradial head - superior half of anterior radius
flexor digitorum profundus
proximal 3/4 of medial and anterior surfaces of ulna and interosseous membrane
extensor indicus proprius (index finger)
dorsal surface of ulna, below origin of extensor pollicus longus
Extensor digiti minimi (pinky)
lateral epicondyle of humerus
Extensor pollicis brevis
posterior surfaces of radius, and interosseous membrane
Extensor pollicis longus
posterior surfaces of middle third of ulna, and interosseous membrane
extensor carpi radialis longus
lateral supracondylar ridge of humerus
extensor carpi radialis brevis
lateral epicondyle of humerus
extensor carpi ulnaris
lateral epicondyle of humerus and posterior border of ulna
extensor digitorum
lateral epicondyle of humerus
flexor pollicis longus
anterior surface of radius and adjacent interosseous membrane
flexor pollicis brevis
flexor retinaculum and tubercle of trapezium
abductor pollicis longus
posterior surfaces of ulna, radius and interosseous membrane
abductor pollicis brevis
flexor retinaculum and tubercles of scaphoid and trapezium
adductor pollicis
transverse head – anterior surface of body of third metacarpal bone
Oblique head – bases of second and third metacarpals and capitate
opponens pollicis
flexor retinaculum and tubercle of trapezium
abductor digiti minimi
pisiform and tendon of flexor carpi ulnaris
flexor digiti minimi brevis
hook of hamate and flexor retinaculum
volar (palmar) interossei
palmar surfaces of second, fourth and fifth metacarpal bones
lumbricales
arise from tendons of flexor digitorum profundus
1st and 2nd – lateral two tendons of flexor digitorum profundus
3rd and 4th - medial three tendons of flexor digitorum profundus
opponens digiti minimi
hook of hamate and flexor retinaculum
dorsal interrossei
adjacent sides of two metacarpal bones