Muscle Functions Flashcards
Rectus Capitus
Balance, proprioception, and head movement
Masseter
Chewing
Brachiocephalicus
Lateral flexion and pulling foreleg forward during swing phase
Trapezius
Allows for movement of shoulder
Rhomboids
Move scapula, elevate shoulder, shapes base of neck
Supraspinatus
Extends and stabilizes the shoulder joint
Infraspinatus
Lateral support and flexion of shoulder
Triceps
Flex and extend shoulder and elbow
Long (upper) triceps
Originates from scapula
Short (lower) tricep
Originates from humerus
Posterior pectorals
Trunk stability, moving foreleg
Longissimus Dorsi
Spine stability, locomotion, lateral bending, and extension of back
Longissimus Costarum (illiocostals)
Support and stability of spine when contracted on both sides
External Obliques
Intra-abdominal pressure, body wall support, trunk rotation, breathing, stability of trunk
Bicep Femoris
Extends hip, stifle, and hock