Muscle groups and Functions

Question 1

flex head, incline head side to side.
Just behind poll.

Answer 1

Rectus capitus lateralis

Question 2

Flexes neck.
Long neck muscle behind poll to wither.

Answer 2

Splenius

Question 3

Flexes neck, rotates head to the opposite side.
Above cervical spine.

Answer 3

Multifidus cervicus (deep)

Question 4

Flexes neck, move the shoulder forward. Long muscle runs from the top of the cervical spine to the shoulder.

Answer 4

Brachiocephalicus

Question 5

Elevates the shoulder, and draws the scapula upward, forward, and backward.
At Withers

Answer 5

Trapezius/Rhomboids (deep)*

Question 6

Extends the shoulder joint.* In the horses shoulder under the deltoid.

Answer 6

Supraspinatus (deep)*

Question 7

Rotates arm (foreleg) outward.
In the horses shoulder, underneath the deltoid and behind the supraspinatus muscle.

Answer 7

Infraspinatus (deep)

Question 8

Extends the shoulder joint.*
In shoulder above infraspinatus and in front of tricep.

Answer 8

Deltoid

Question 9

Flexes shoulder joint.
In shoulder, below and to the right of deltoid.

Answer 9

Tricep

Question 10

Extends forelimb.
Front of upper foreleg & Chest.

Answer 10

Bicep & Anterior pectoral

Question 11

Draws trunk to proper level when the legs are planted. Front of ribs.

Answer 11

Serratus thoracis

Question 12

Draws the foreleg backward.
Front of belly.

Answer 12

Posterior pectoral

Question 13

Bends and flexes the foreleg.
Front of foreleg.

Answer 13

Extensor capri radialis*

Question 14

Lateral flexion.
Large back muscle from spine to humerus.

Answer 14

Latissimus dorsi

Question 15

Extends back, lateral flexion.
Longest muscle in back, runs from the sacrum to the withers.

Answer 15

Longissimus dorsi

Question 16

Supports the rib cage and aids in respiration.
Over rib cage.

Answer 16

Intercostal

Question 17

Draws hind leg under. Behind rib cage on trunk.

Answer 17

Oblique

Question 18

Supports the back.
Mid-belly.

Answer 18

Rectus abdominus

Question 19

Forward impulsion and hind end action.
Located top of hind end.

Answer 19

Gluteus

Question 20

Extends the hock.
Interior butt top of leg.

Answer 20

Semimembranosus

Question 21

Extends the hip and the hock.
On rear end, outer side of semimembranosus.

Answer 21

Semitendinosus

Question 22

Extends the hind leg, hip, and hock, and flexes the stifle.
On rear end between gluteus and semitendinosus.

Answer 22

Bicep femoris

Question 23

Extends the stifle and flex hip.*
Top front of hind leg.

Answer 23

Tensor fascia latae*

Question 24

Extends stifle and flex hip.* Below tensor ___ ___

Answer 24

Fascia latae*

Question 25

Bends and flexes the hind leg. Top of hind leg.

Answer 25

Long digital extensor