UE III and IV: Muscle Locations Flashcards
Pectoralis major
O: (clavicular) medial half of clavical, (sternocostal) margin of sternum and costal cartilages.
I: btwn greater tubercle and deltoid tuberosity
Pectoralis minor
O: ribs 3-5 and their costal cartilages
I: coracoid process
Serratus anterior
O: ribs 1-8 lateral sections
I: anterior sfc of vertebral border of scapula
Coracobrachialis
O: tip of coracoid process
I: Mid-medial humerus
Biceps brachii
O: (long) supraglenoid tubercle, (short) coracoid process
I: (superficial) bicipital aponeurosis, (deep) radial tuberosity
Brachialis
O: anterior sfc of distal humerus
I: (1) coronoid process, (2) ulnar tuberosity
Pronator teres
O: (1) common flexor tendon, (2) coronoid process
I: Lateral sfc of mid radius
Flexor carpi radialis
O: common flexor tendon
I: base of metacarpal II
Palmaris longus
O: common flexor tendon
I: palmar aponeurosis
Flexor carpi ulnaris
O: (1) common flexor tendon, (2) medial edge of olecranon process
I: (1) pisiform, (2) hamate, (3) base of metacarpal V
Flexor digitorum superficialis
O: (1) common flexor tendon, (2) coronoid process, (3) anterior oblique line of radius
I: tendons on mid phalanges 2-5 (splits)
Flexor digitorum profundus
O: (1) anterior sfc of proximal ulna, (2) interosseous membrane
I: tendons on distal phalanges 2-5 (under FDS)
Flexor pollicis longus
O: (1) anterior sfc of mid radius, (2) interosseous membrane
I: distal phalanx 1
Pronator quadratus
O: anterior sfc of distal ulna
I: anterior sfc of distal radius
Thenar mm
O: (1) trapezium, (2) scaphoid, (3) flexor retinaculum
I: (1) metacarpal I, (2) proximal phalanx 1