Muscles Vet Tech Med

action of muscles

Superficial and Deep Pectoral M. #1 & 2

Adduct the forelimb

Trapezius m. #6

Elevates and abducts the forelimb

Rhomboideus m. #7

Elevates forelimb

Latissimus dorsi m. #8

Draws the forelimb caudally, flexes shoulder joint

Serratus ventralis m. #1

Supports trunk

Masseter m.

Elevates mandible to close the jaw (chewing).

Deltoideus m.

Flexes the shoulder joint

Infraspinatus m. #2

Flexes shoulder and stabilizes shoulder joint.

Supraspinatus m. #1

Extends shoulder

Subscapularis m. #2

Adducts limb

Triceps brachii m. #3

Extends elbow / flex the shoulder.

Biceps brachii m. #4

Flexes elbow / extends shoulder.

Extensor carpi radialis m. (blue star)

Extend carpus

Common digital extensor m. (blue star)

Extends carpus and digits

Lateral digital extensor m. (blue star)

Extends lateral digits

Extensor carpi ulnaris m. (blue star)

Extend carpus

Flexor carpi radialis m.

Flexes carpus

Flexor carpi ulnaris m.

Flexes carpus

Superficial digital flexor m.

Flexes carpus and digits

Deep digital flexor m.

Flexes carpus and digits

Tensor fasciae latae m.

Flexes hip / extends stifle.

Superficial, middle, and deep gluteal m

Extend hip / abduct limb.

Iliopsoas m.

Flex hip / draw limb forward.

Biceps femoris m. #1

Extend hips, tarsus and stifle

Semitendinosus m. #3

Flex stifle, extend hip and tarsus

Semimembranosus m. #3

Extends hip / flex stifle

Vastus lateralis m.

Extends stifle

Vastus medialis m.

Extends stifle

Vastus intermedius m.

Extends stifle

Rectus femoris m.

Extends stifle and flexes hip.

Recuts Abdominis M

Flex lumbar vertebrae

Cranial tibial m. #1

Flexes tarsus

Gastrocnemius m. #10

Extends hock and flexes stifle.