exam 3 lab Flashcards
upper trapezius
O
I
A
N
occipital bone, upper cervical spinous processes
outer 1/3 clavicle and acromion
scapular elevation, upward rotation
CN XI spinal accessory n.
middle trapezius
O
I
A
N
spinous processes of C7-T3
spine of scapula
scapular retraction
CN XI spinal accessory n.
lower trapezius
O
I
A
N
spinous processes of mid and lower thoracic vertebrae
base of spine of scapula
scapular depression , upward rotation
CN XI spinal accessory n.
levator scapulae
O
I
A
N
transverse process C1-C4
medial border of scapula
scapular elevation, downward rotation
C3-C4 spinal segments, Dorsal scapular n. C5
rhomboids major and minor
O
I
A
N
spinous process C7-T5
medial border of scapula
scapular retraction, downward rotation scapular elevation
dorsal scapular n. C5
primary action of levator scapulae
scapular elevation
primary action of rhomboid
scapular retraction
primary action of serratus anterior
scapular protraction
pectoralis minor
O
I
A
N
anterior surface of ribs 3-5
coracoid process
scapular tilt, scapular depression, downward rotation
Medial pectoral n. C8-T1
muscles of shoulder girdle
traps
levator scapulae
rhomboids
serratus anterior
pec minor
deltoids- anterior middle inferior
O
I
A anterior _____ middle____ posterior____
N
lateral 1/3 clavicle acromion and scapular spine
deltoid tuberosity
anterior - shoulder flexion assist w abduction
middle- abduction
posterior - shoulder extension assist w abduction
axillary n. C5-C6
rotator cuff muscles
supraspinatus
infraspinatus
teres minor
subscapularis
supraspinatus (stabilizer)
O
I
A
N
supraspinatus fossa
greater tubercle of humerus
shoulder abduction assist w external rotation
suprascapular n. C5-C6
pec minor primary action
scapular tilt
infraspinatus
O
I
A
N
infraspinatus fossa
greater tubercle of humerus
shoulder external rotation, assist w horizontal abduction
suprascapular C5-C6
teres minor
O
I
A
N
lateral border of scapula
greater tubercle of humerus
shoulder external rotation, horizontal abduction
axillary n. C5-C6
subscapularis
O
I
A
N
subscapular fossa
lesser tubercle of humerus
internal rotation, horizontal adduction
subscapular n. C5-C6
pectoralis major portions
flexion:
extension:
clavicular portion
sternal portion
pectoralis major
O
I
A
N
clavicle, sternum
lateral bicipital groove of humerus
shoulder adduction, internal rotation, horizontal adduction, shoulder flexion and extension
lateral and medial pectoral n. C5-T1
latissimus dorsi
O
I
A
N
spinous process T7-L5 via thoracolumbar fascia , posterior sacrum, iliac crest, lower 3 ribs
medial bicipital groove of humerus
shoulder internal rotation, shoulder adduction, shoulder extension
thoracodorsal n. C6-C8
teres major
O
I
A
N
lateral border of scapula, inferior angle of scapula
bicipital groove of humerus
shoulder extension, adduction, internal rotation
subscapular n. C5-C7
coracobrachialis
O
I
A
N
coracoid process of scapula
medial humerus
stabilizes glenohumeral joint to assist w flexion
musculocutaneous n. C5-C7
serratus anterior
O
I
A
N
lateral upper 8 ribs
medial border of anterior scapula
scapular protraction upward rotation
long thoracic nerve C5-C7
biceps brachii
O
I
A
N
long head supraglenoid tubercle
short head coracoid process
radial tuberosity
elbow flexion, shoulder flexion, forearm supination
musculocutaneous n C5-C6
Brachialis
O
I
A
N
distal half of anterior humerus
coronoid process, ulnar tuberosity
elbow flexion
musculocutaneous C5-C6
brachioradialis
O
I
A
N
lateral supracondylar ridge
styloid process of radius
elbow flexion
radial n. C5-C6
brachioradialis only does _____ because it does not cross wrist
flexion
triceps brachii
O
I
A
N
long head infraglenoid tubercle of scapula medial head posterior humerus
lateral head inferior greater tubercle of humerus
olecranon process
elbow extension, long head shoulder extension
radial n C6-C8
anconeus
O
I
A
N
lateral epicondyle of humerus
lateral and inferior olecranon process
elbow extension
radial n C6-C8
supinator
O
I
A
N
lateral epicondyle of humerus lateral ulna
proximal anterior radius
forearm supination
radial n C6
supinator muscles : ______ primary ______ _____ secondary
supinator
biceps brachii
pronator teres
O
I
A
N
medial epicondyle of humerus coronoid process of ulna
lateral radius at midpoint
forearm pronation, assist with elbow flexion
median n C5-C6
pronator quadratus
O
I
A
N
distal 4th of the ulna
distal 1/4 of the radius
forearm pronation
median n C8,T1
flexor carpi radialis
O
I
A
N
medial epicondyle of humerus
base of 2nd and 3rd metacarpal
wrist flexion radial deviation
median n C6-C7
common flexor tendon originated on all
medial epicondyle of humerus
flexor carpi ulnaris
O
I
A
N
medial epicondyle of humerus
pisiform base of 5th metacarpal
wrist flexion ulnar devation
ulnar n C8-T1
palmaris longus only found in
80% of people
palmaris longus
O
I
A
N
medial epicondyle of humerus
palmar fascia
wrist flexion
median n C6-C7
extensor carpi radialis longus
O
I
A
N
lateral epicondyle of humerus
base of 2nd metacarpal
wrist extension radial devation
radial n C6-C7
extensor carpi radialis brevis
O
I
A
N
lateral epicondyle of humerus
base of 3rd metacarpal
wrist extension
radial n C6-C7
extensor carpi ulnaris
O
I
A
N
lateral epicondyle of humerus
base of 5th metacarpal
wrist extension ulnar devation
radial n C6-C8
flexor digitorum superficialis
O
I
A
N
medial epicondyle of humerus
sides of middle phalanx of digits 2-5
MCP and PIP flexion assist with wrist flexion
median n C7-T1
flexor digitorum profundus - does not cross elbow
O
I
A
N
upper 3/4 of ulna
distal phalanx digits 2-5
MCP PIP and DIP flexion assist with wrist flexion
median ulnar n C8-T1
flexor digiti minimi - intrinsic
O
I
A
N
Hamate flexor retinaculum
base of proximal phalanx of 5th digit
MCP and CMC flexion of 5th digit
ulnar n
extensor digitorum
O
I
A
N
lateral epicondyle of humerus
base of distal phalanx digits 2-5
MCP PIP DIP extension of digits 2-5 assist with wrist extension
radial n C6-C8
extensor indicis
O
I
A
N
distal ulna
base of distal phalanx of digit 2
MCP PIP DIP extension of digit 2 assist with wrist extension
radial n
extensor digiti minimi
O
I
A
N
lateral epicondyle of humerus
distal phalanx digit 5
MCP DIP PIP extension of 5th digit assist with wrist extension
radial n
dorsal interossei
O
I
A
N
adjacent metacarpal
base of proximal phalanx
abduction of digits
ulnar n
palmar interossei
O
I
A
N
digits 2,4,5 metacarpals
base of proximal phalanx
adduct of digits 2,4,5
ulnar n
abductor digiti minimi
O
I
A
N
pisiform flexor carpi ulnaris tendon
proximal phalanx of digit 5
abduction of 5th digit
ulnar n
flexor pollicis longus
O
I
A
N
anterior surface of radius
distal phalanx of digit 1
MCP CMC IP flexion
median n C8-T1
flexor pollicis brevis
O
I
A
N
trapezium flexor retinaculum
proximal phalanx of digit 1
CMC MCP flexion of digit 1
median n
extensor pollicis longus
O
I
A
N
posterior ulna interosseous membrane
base of distal phalanx
CMC MCP IP extension of digit 1
radial n C6-C8
extensor pollicis brevis
O
I
A
N
posterior distal radius
proximal phalanx of digit 1
CMC MCP extension of digit 1
radial n
lumbricals
O
I
A
N
flexor digitorum profundus tendon
extensor digitorum tendon
MCP flexion, PIP and DIP extension
median and ulnar n
table top position is
MCP FLEXION
PIP AND DIP EXTENSION