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muscle review 2

Stack #134362

muscleactionorigininsertioninnervation
External intercostals inhalation inferior border of rib above superior border of rib below thoracic spinal
internal intercostals forced exhalation superior border of rib below inferior border of rib above thoracic spinal nerves
pec major adduct, flex, extend, medial rotate arm @ shoulder clavicle, sternum, costal cartilage of 2-6 ribs greater tubercle & lateral lip of intertuburcular sulcus of humerus med/lat pectoral nerves
Plantaris plantar flex foot, flex leg @ knee superior to medial condyle of femur calcaneus via achilles tibial
soleus plantar flex foot head of fibula, medial border of tibia calcaneus via achilles tibial
gastrocnemius plantar flex foot, flex leg lateral & medial condyles of femur calcaneus via achilles tibial
flexor digitorum longus plantar flex foot, flex toes posterior surface of tibia behind medial malleolus to distal phalynx of toes 2-5 tibial
flexor digitorum brevis flex toes 2-5 calcaneus and plantar aponeurosis middle phalynx of 2-5 toes medial plantar
tibialis posterior plantar flex & invert foot tibia, fibula & I.O. membrane 2-4 metatarsals, navicular, cuneforms & cuboid tibial
Extensor digitorum brevis extends 1-4th toes calcaneus tendon of EDL & proximal great toe deep fibular nerve
Extensor digitorum longus dorsiflex foot, extend distal & middle toes lateral condyle of tibia phalanges of toes 2 through 5 deep fibular nerve
Pectineus adduct and flex thigh superior ramus of pubis pectineal line of femur (between lesser trochanter and linea aspera femoral
Adductor brevis adduct, flex and medially rotate thigh inferior ramus of pubis superior 1/2 of linea aspera of femur obturator
Adductor longus adduct, flex & lateral rotate thigh pubic crest & symphysis linea aspera of femur obturator
Adductor magnus Adduct, lateral rotate, flex & extend thigh inferior ramus of pubis linea aspera & adductor tubercle obturator
gracillis adduct thigh, flex knee pubic bone pes anserena tendon on medial surface of body of tibia obturator
Flexor Carpi Radialis Flex wrist & ABduct wrist Medial epicondyle of humerus base of 2nd metacarpal median
Flexor Carpi Ulnaris flex wrist & Adduct (ulnar deviate) medial epicondyle of humerus pisiform, hamate, 5th metacarpal ulnar
Pronator quadratus pronates wrist distal 1/3 ulna distal 1/3 radius median
supinator supinates wrist lateral epicondyle of humerus & supinator crest of ulna lateral surface of proximal 1/3 tibia deep radial
Palmaris longus flex wrist medial epicondyle of humerus flexor retinaculum & palmar aponeurosis median nerve
Pronator teres pronates wrist & flexes forearm medial epicondyle of humerus midlateral surface of radius median
Brachioradialis flex forearm, supinate & pronate Supracondylar ridge of humerus lateral surface of distal radius radial
Deltoid ABduct, flex, extend, medial & lateral rotate arm @ shoulder joint clavicle, acromium, scapula deltoid tuberosity of humerus axillary
Biceps brachii supinate and flex forearm, flex arm supraglenoid tubercle, coracoid process of scapula radial tuberosity & bicepital aponeurosis musculocutaneous
Brachialis flex forearm distal shaft of humerus ulnar tuberosity of ulna musculocutaneous
Coracobrachialis flex & adduct humerus coracoid process of scapula medial shaft of humerus musculocutaneous
Flexor digitorum superficialis Flex proximal phalanges of hand medial epicondyle of humerus, coranoid process of ulna, anterior oblique line of radius bodies and middle phalynx of 2-5 fingers median
flexor digitorum profoundus flex distal phalanges of wrist anterior medial surface of ulna base of distal phalynx of 2-5 fingers median & ulnar
Extensor carpi radialis brevis Extends and ABducts wrist lateral epicondyle of humerus base of 3rd metacarpal deep radial
extensor carpi radialis longus extends and ABducts wrist Supracondyler ridge of humerus base of 2nd metacarpal radial
Extensor carpi ulnaris extends and ADDucts wrist lateral epicondyle of humerus base of 5th metacarpal deep radial
Extensor digitorum extends fingers and wrist lateral epicondyle of humerus distal and middle phalanges radial
Illiocostalis muscles (cervices, thoracic, lumborum) extend vertebral column, lateral flexion of vertebral column ilium ribs dorsal rami
Platysma pulls corners of mouth inferior as in a pout, depress mandible fascia over deltoid and pec major skin of lower face, mandible, muscle at angle of mouth facial
zygomaticus major draws mouth superior and lateral (smiling) zygomatic bone orbicularis orus and skin at angles of mouth facial
semispinalis capitus together-extend head alone-rotate head to same side (ipsilateral rotation) transverse process of cervical vertibrae occipital bone cervical spinal nerves
semispinalis cervicis extend vertebral column & rotate to same side Transverse processes of thoracic vertebrae spinous process of of cervical vertebrae cervical spinal nerves
semispinalis thoracic extend vertebral column and rotate to same side transverse processes of lower thoracic vertebrae spinous processes of upper thoracic & and lower cervical vertebrae cervical spinal nerves
medial pteragoud Elevate and protract mandible, move it from side to side pteragoid process of sphenoid bone & maxilla angle and ramus of mandible trigeminal
lateral pteragoid protract & depress mandible and move it from side to side greater wing of pteragoid process of sphenoid bone condyle of mandible (part of TMJ) trigeminal
mentalis elevates and protrudes lower lip, pulls chin up as in pouting mandible skin of chin facial
anterior scalene flex head and elevate 1st rib during forced inhalation - singley contralateral rotation transverse processes of 3-6 cervical vertebrae 1st rib cervical spinal
middle scalene flex head , raise the 1st rib durring forced inhalation & contralateral rotation Transverse processes of inferior 6 cervical vertebrae 1st rib cervical spinal
posterior scalene flex head and elevate 2nd rib during deep inhalation & contralateral rotation transverse processes of 4-6 cervical vertebrae 2nd rib cervical spinal
splenius capitus extend head and ipsilateral rotate nuchal ligament, cervical and thoracic spinous processes occipital bone & mastoid process cervical spinal nerves
splenius cervices extend head, lateral flex & ipsilateral rotation spinous processes of thoracic vertebrae transverse processes of cervical vertebrae cervical spinal nerves
extensor pollicis brevis extends thumb and hand at wrist posterior surface of middle radius base of proximal phalynx of thumb deep radial
extensor pollicis longus extends distal phalynx of thumb and hand at wrist posterior surface of middle Ulna base of distal phalanx of thumb deep radial
abductor pollicis longus ABducts and extends thumb & ABducts wrist Posterior surface of middle radius, ulna and Interosseus membrane forst metacarpal deep radial
Created by: goodbunn
 

 



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