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ANATOMY - Block 1 Muscles (by function)
block 1 muscles by function
44
Anatomy
Graduate
09/10/2017

Additional Anatomy Flashcards

 


 

Cards

Term
head rotation
Definition

splenius capitis/cervicis (to same side)

 

semispinalis capitis (to opposite side)

Term
head lateral flexion
Definition
splenius capitis/cervicis
Term
head extension
Definition
semispinalis capitis
Term
vertebral extension
Definition
erector spinae (spinalis, longissimus, iliocostalis) - working together
Term
vertebral lateral flexion
Definition
erector spinae (spinalis, longissimus, iliocostalis) - to same side, working alone
Term
scapula elevation
Definition

trapezius

 

levator scapulae

Term
scapula depression
Definition

trapezius

 

pectoralis major

Term
upward rotation of scapula
Definition

trapezius

 

serratus anterior

Term
downward rotation of scapula
Definition

rhomboid major & minor

 

levator scapulae

Term
scapula retraction
Definition

trapezius

 

rhomboid major & minor

Term
scapula protraction
Definition

pectoralis major

 

serratus anterior

Term
scapula adduction
Definition
rhomboid major & minor
Term
humerus extension
Definition

latissimus dorsi

 

deltoid (posterior)

Term
humerus flexion
Definition

coracobrachialis

 

deltoid (anterior)

Term
humerus abduction
Definition

deltoid (middle)

 

supraspinatus

Term
humerus adduction
Definition

latissimus dorsi

 

pectoralis major

 

coracobrachialis

 

teres major

Term
medial rotation of humerus
Definition

latissimus dorsi

 

pectoralis major

 

teres major

 

subscapularis

Term
lateral rotation of humerus
Definition

teres minor

 

infraspinatus

Term
stabilizes shoulder joint
Definition

Rotator Cuff Muscles

 

teres minor

 

supraspinatus

 

infraspinatus

 

subscapularis

Term
forearm flexion
Definition

brachialis

 

biceps brachii

 

brachioradialis

 

pronator teres

Term
forearm extension
Definition

triceps brachii

 

supinator

Term
arm supination
Definition

biceps brachii

 

supinator

Term
arm pronation
Definition

pronator teres

 

pronator quadratura

Term
wrist extension
Definition

extensor carpi radialis longus

 

extensor carpi radialis brevis

 

extensor carpi ulnari

Term
wrist flexion
Definition

flexor carpi radialis

 

flexor carpi ulnari

Term
wrist abduction (radial deviation)
Definition

extensor carpi radialis longus

 

flexor carpi radialis

Term
wrist adduction (ulnar deviation)
Definition

extensor carpi ulnaris

 

flexor carpi ulnaris

Term
MCP flexion
Definition

lumbricals

 

flexor digitorum superficialis (assists)

 

dorsal interossei (assists)

 

palmar interossei (assists)

Term
MCP flexion (5th digit)
Definition
flexor digiti minimi brevis
Term
MCP extension
Definition
extensor digitorum
Term
MCP extension (2nd digit)
Definition
extensor indicis
Term
PIP flexion
Definition
flexor digitorum superficialis
Term
PIP extension
Definition

lumbricals

 

extensor digitorum (assists)

 

dorsal interossei (assists)

 

palmar interossei (assists)

Term
DIP flexion
Definition
flexor digitorum profundus
Term
DIP extension
Definition

lumbricals

 

extensor digitorum (assists)

 

dorsal interossei (assists)

 

palmar interossei (assists)

Term
IP thumb flexion
Definition

flexor pollicis longus

 

flexor pollicis brevis

Term
digit abduction
Definition
dorsal interossei
Term
digit abduction (5th digit)
Definition
abductor digiti minimi
Term
digit adduction
Definition
palmar interossei
Term
thumb abduction
Definition
abductor pollicis brevis
Term
thumb adduction (at CMC)
Definition
adductor pollicis
Term
thumb opposition
Definition

opponens pollicis

 

abductor pollicis brevis (assists)

Term
5th finger opposition
Definition
opponens digiti minimi
Term
thumb medial rotation
Definition
opponens pollici
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