Muscle groups and Functions Flashcards
flex head, incline head side to side.
Just behind poll.
Rectus capitus lateralis
Flexes neck.
Long neck muscle behind poll to wither.
Splenius
Flexes neck, rotates head to the opposite side.
Above cervical spine.
Multifidus cervicus (deep)
Flexes neck, move the shoulder forward. Long muscle runs from the top of the cervical spine to the shoulder.
Brachiocephalicus
Elevates the shoulder, and draws the scapula upward, forward, and backward.
At Withers
Trapezius/Rhomboids (deep)*
Extends the shoulder joint.* In the horses shoulder under the deltoid.
Supraspinatus (deep)*
Rotates arm (foreleg) outward.
In the horses shoulder, underneath the deltoid and behind the supraspinatus muscle.
Infraspinatus (deep)
Extends the shoulder joint.*
In shoulder above infraspinatus and in front of tricep.
Deltoid
Flexes shoulder joint.
In shoulder, below and to the right of deltoid.
Tricep
Extends forelimb.
Front of upper foreleg & Chest.
Bicep & Anterior pectoral
Draws trunk to proper level when the legs are planted. Front of ribs.
Serratus thoracis
Draws the foreleg backward.
Front of belly.
Posterior pectoral
Bends and flexes the foreleg.
Front of foreleg.
Extensor capri radialis*
Lateral flexion.
Large back muscle from spine to humerus.
Latissimus dorsi
Extends back, lateral flexion.
Longest muscle in back, runs from the sacrum to the withers.
Longissimus dorsi