Muscles Of The Body And Thier Actions

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1
Frontalis-draws scalp anteriorly and elevation of eyebrows

2
occipitalis-draws scalp posteriorly

1
orbicularis oculi-closes and squints eye

1
orbicularis oris-closes the mouth

1
zygomaticus-elevation of the angle of the mouth

1
temporalis-elevation of the mandible

11
masseter-elevation of the mandible

1
buccinator-compresion of the checks

1
sternocleidomastoid-flexion of the neck

1
trapezius-elevation of scapula and extension of head and neck

1
external intercoastals-elevation of ribs 2- 12

1
internal intercostals-depression of 1- 11

1
rectus abdominis- flexion of the trunk

1
external oblique-bilateral-flexion of trunk

1
internal obliques-bilateral-flexion of trunk

1
transverse abdominis-compression of the abdominal content

1
serratus anterior-proltraction of scapula

1

deltoid
anterior-flexion, abduction, internal rotation
middle-abduction to 90 degrees
posterior-extension,adduction,external rotation

1
lattissimus dorsi-extension

1
supraspinatus-shoulder rotation

1
infraspinatus-shoulder rotation

1
teres minor-shoulder rotation

1
subscapularis-shoulder rotation

111
pectoralis major-adduction,internal rotation, flexion

1
biceps brachii-flexion of elbow

1
brachialis-flexion of the elbow

11
triceps brachii-extension of elbow

1
supinator-supination at proximal radioulnar joint

1
pronator teres-pronation of proximal radioulnar joint

1
flexor carpi-flexion of wrist

1
extensor carpi-extension of wrist

1
flexor digitorum-flexion of fingers 2-5

1
extensor digitorum-extension of proximal phalanges of 4 fingers at MP joint

1
gluteus maximus-extension of hip

1
iliospoas-flexion of hip and trunk

1
gluteus medius-abduction of hip

1
sartorius-flexion of hip and knee-abduction of hip

1

rectus fermoris
vastus lateralis
vastus medialis
vastus intermedius
-flexion of hip and extension of knee

1

biceps femoris
semimbranosis
semitendinosus
-extension of hip and flexion of knee

1
adductor group-adduction of hip

1
tibialis anterior-dorsiflexion of ankle

1
extensor digitorum-extension of toes 2-5

1
peroneus group-eversion of foot and plantarflexion of ankle

1
gastroncnemius-plantar flexion of ankle and flexion of knee

1
tibialias posterior-plantar flexion of the ankle and inversion of foot

1
flexor digitorum longus-flexion of 2-5