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Glossary of Canine Muscles

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Created by GinaSawyer

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Frontal
Elevates the forehead causing expression
Sternohyoid
Pulls the tongue back
Sternocephalic
Laterally bends the head and neck.


Cleidocervical




Draws forelimb forward and turns the neck.




Biceps Brachi



Flexes elbow and extends shoulder.



Pectoral



Draws foreleg backwards and forward.

Adducts the foreleg.





Deltoid



Flexes shoulder and abducts shoulder joint.



*SUPRASPINATUS



Extends shoulder joint.

Advances foreleg.





Triceps



Flexes shoulder joint.

Extends elbow.





*INFRASPINATUS



Abducts upper arm.

Rotates forearm (preventing dislocation).





Carpal and Digital Extensors and Flexors



Extends and flexes the paw.



Trapezius / *RHOMBOIDS



Elevates shoulder.

Draws scapula upward, forward and backward.





*THORACIC VENTAL SERRATED

(Serratus Thoracis)





Sling-like muscle that stabilizes the trunk.

Moves scapula forward and backward.





Latissimus Dorsi



Lateral flexion/bending.

Flexes shoulder and pulls foreleg upward and back.





*ILIOCOSTAL LUMBORUM



Lateral flexion and extension of the back.



Intercostals



Supports the rib cage.

Aids in exhalation.





Obliques



Support internal organs and the back.

Draws hind leg under, aids in coughing, urination, birthing, exhalation and defecation.





Rectus Abdominus



Supports internal organs and arches the back.

Aids in coughing, urination, birthing, exhalation and defecation.





Gluteus



Forward impulsion.

Extends hip joint.





Sacrocaudal



Elevates and flexes the tail

(raising and wagging).





*SEMIMEMBRANOUS







Extends hip.

Adducts hind leg.





*SEMITENDINOUS



Extends hip (hock), flexes stifle.



Tensor Fascia Latae



Extends stifle, flexes hip.

Abducts hind leg.





Sartorial



Flexes hip and stifle.



Tarsal and Digital Extensors and Flexors



Extends and flexes the paw.

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