KIN 217 Flashcards
Flexor carpi radialis
O: medial epicondyle of humerus
I: bases of 2nd and 3rd metacarpals
A: flexion, abduction
Flexor carpi ulnaris
O: humeral head-medial epicondyle, Ulnar head-olecranon process
I: pisiform, hook of hamate, base of 5th metacarpal
A: flexion, adduction
flexor digitorum superficialis
O: humeroulnar head-medial epicondyle & coronoid process, radial head-anterior surface of radius
I: middle phalanges of digits 2-5
A: flexion
(Anterior)
palmaris longus
O: medial epicondyle of humerus
I: palmar aponeurosis
A: flexion
extensor carpi radialis longus
O: lower 1/3 of lateral supracondylar ridge of humerus
I: base of 2nd metacarpal
A: extension, abduction
extensor carpi radialis brevis
O: lateral epicondyle of humerus
I: 3rd metacarpal
A: extension, abduction
extensor carpi ulnaris
O: lateral epicondyle of humerus
I: base of 5th metacarpal
A: extension, adduction
extensor digitorum
O: lateral epicondyle of humerus
I: all phalanges of digits 2-5
A: extension
flexor digitorum superficialis
O: humeroulnar head-medial epicondyle & coronoid process, radial head-anterior surface of radius
I: middle phalanges of digits 2-5 (anterior)
A: finger flexion
flexor digitorum profundus
O: upper 3/4 of ulna (anterior & medial), coronoid process of ulna
I: distal phalanges of digits 2-5 (anterior)
A: finger flexion
extensor digitorum
O: lateral epicondyle of humerus
I: all phalanges of digits 2-5 (posterior)
A: finger extension
flexor pollicis longus
O: middle radius (anterior), medial epicondyle of humerus
I: distal phalanx of pollex (anterior)
A: Thumb flexion
flexor pollicis brevis
O: trapezium, 1st metacarpal
I: proximal phalanx of pollex (anterior)
A: Thumb flexion
extensor pollicis longus
O: middle 1/3 of ulna (posterior)
I: distal phalanx of pollex (posterior)
A: Thumb extension
extensor pollicis brevis
O: posterior surface of radius
I: proximal phalax of pollex (posterior)
A: Thumb extension
abductor pollicis longus
O: posterior surface of radius, posterior surfaces of ulna
I: base of 1st metacarpal
A: Thumb extension, thumb abduction
abductor pollicis brevis
O: scaphoid and trapezium
I: proximal phalax of pollex (lateral)
A: thumb abduction
adductor pollicis
O: 2nd and 3rd metacarpals, capitate, trapezoid
I: proximal phalanx of pollex (medial)
A: thumb adduction
biceps brachii
O: long head- supraglenoid tubercle of scapula, short hea- coracoid process of scapula
I: radial tuberosity
A: flexion, supination
brachialis
O: lower 1/2 of humerus (anterior)
I: coronoid process of ulna
A: flexion
brachioradialis
O: upper 2/3 of lateral supracondylar ridge of humerus
I: styloid process of radius
A: flexion
pronator teres
O: humeral head-medial epicondyle & medial supracondylar ridge, ulnar head- coronoid process
I: middle of radius (lateral)
A: pronation
pronator quadratus
O: lower 1/4 of ulna (anterior)
I: lower 1/4 of radius (anterior)
A: pronation
triceps brachii
O: long head-infraglenoid tubercle of scapula, medial head- lower 1/2 of humerus (posterior), lateral head- upper 1/2 of humerus (posterior)
I: olecranon process of ulna
A: extension
supinator
O: lateral epicondyle of humerus, crest of ulna
I: upper 1/3 of radius (post. & ant.)
A: supination
anterior deltoid
O: lateral 1/3 of clavicle
I: deltoid tuberosity of humerus
A: flexion, horizontal flexion
middle deltoid
O: acromion process of scapula
I: deltoid tuberosity of humerus
A: abduction, horizontal extension
posterior deltoid
O: spine of scapula
I: deltoid tuberosity of humerus
A: extension, horizontal extension
pectoralis major
O: clavicular part-medial 1/2 of clavicle, sternal part- sternum & first 6 costal cartilages
I: bicipital groove of humerus
A: clavicular- flexion, horizontal flexion
A: sternal- extension, adduction, horizontal flexion
coracobrachialis
O: coracoid process of scapula
I: middle third of humerus
A: horizontal flexion
latissimus dorsi
O: lower vertebrae, lower ribs, iliac crest
I: bicipital groove of humerus
A: extension, adduction,
teres major
O: axillary border of scapula lower 1/3
I: bicipital groove of humerus
A: extension, adduction, inward rotation
biceps brachii
O: long head- supraglenoid tubercle of scapula, short head-coracoid process of scapula
I: radial tuberosity
A: long head-none
A: short head- flexion
triceps brachii
O: long head- infraglenoid tubercle of scapula, medial head- lower 1/2 of humerus (posterior), lateral head- upper 1/2 of humerus (posterior)
I: olecranon process of ulna
A: long head- extension
subscapularis
O: subscapular fossa of scapula
I: lesser tubercle of humerus
A: inward rotation
teres minor
O: axillary border of scapula; upper 2/3
I: greater tubercle of humerus
A: outward rotation, horizontal extension
infraspinatus
O: infraspinous fossa of scapula
I: greater tubercle of humerus
A: outward rotation, horizontal extension
supraspinatus
O: supraspinous fossa of scapula
I: greater tubercle of humerus
A: abduction
pectoralis minor
O: 3rd-5th ribs
I: coracoid process of scapula
A: depression, abduction, downward rotation
serratus anterior
O: first 9 ribs
I: vertebral border of scapula
A: abduction, upward rotation
trapezius
O: external occipital protuberance ( C7-T12)
I: lateral 1/3 of clavicle, acromion process of scapula, spine of scapula
A: elevation, depression, adduction, upward rotation
levator scapulae
O: transverse processes of C1-C4
I: vertebral border of scapula above spine
A: elevation
rhomboid major
O: spinous processes of T2-T5
I: vertebral border of scapula below spine
A: elevation, adduction, downward rotation
rhomboid minor
O: spinous processes of C7-T1
I: vertebral border of scapula at the spine
A: elevation, adduction
