Muscle actions/movements Flashcards
vastus lateralis
knee extension
vastus intermedius
knee extension
vastus medialis
knee extension
rectus femoris
knee extension, hip flexion
semimembranosus
knee flexion, hip extension
semitendinosus
knee flexion, hip extension
biceps femoris
knee flexion, hip extension, lateral rotation
sartorius
hip flexion, external rotation
glut max
hip extension, lateral rotation
glut medius
abduction
glut minimus
abduction, medial rotation femur
piriformis
abduction, external rotation femur
tensor fascae latae
hip flexion and abduction
adductor longus
adduction
adductor brevis
adduction
adductor magnus
adduction
gracilis
adduction, hip flexion
pectineus
adduction, hip flexion and medial rotation
gastrocnemius
plantarflexion, weak knee flexion
soleus
plantarflexion
popliteus
knee flexion, internal rotation tibia
tibialis anterior
dorsiflexion, inversion
tibialis posterior
plantarflexion, inversion
peroneus longus
eversion, plantarflexion
peroneus brevis
eversion, plantarflexion
flexor digitorum longus
flex toes, plantarflexion
extensor digitorum longus
extends toes, dorsiflexion
subscapularis
internal rotation
supraspinatus
abduction
infraspinatus
external rotation
teres minor
external rotation
biceps brachii
shoulder and elbow flexion, supination
briachialis
elbow flexion
brachoradialis
flexion forearm
triceps
elbow and shoulder extension
teres major
internal rotation arm
serratus anterior
protraction
erector spinae
extension of spine
scalenes
side bend of neck and elevation of rib
levator scapula
elevates scapula
sternocleidomastioid
rotation, side bend and flexion of neck
lat dorsi
adduction, internal rotation, extends arm
psoas major
hip flexion
rhomboids
elevates and retracts scap
trapezius
U - elevates scap, M - retracts scap, L - depresses scap
flexor carpi radialis
wrist flexion, abducts wrist
flexor carpi ulnaris
wrist flexion, adducts wrist
extensor carpi radialis brevis
extends wrist
extensor carpi radialis longus
extends forearm
palmaris longus
flexes wrist
extensor carpi ulnaris
extends wrist
quadratus labrum
spine extension
iliacus
hip flexion
rectus abdominis
flexion lumbar spine
internal obliques
rotation in same direction
external obliques
rotation
transverse abdominis
compresses ribs and viscera
intercostals
elevates and depresses ribs