Difference between revisions of "Limb Muscles - Horse Anatomy"

Revision as of 17:46, 15 October 2012

Limb Muscles - Horse Anatomy Learning Resources
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 ===[[Rump Muscles of the Pelvic Limb- Horse Anatomy|Rump Muscles]]===
 ===[[Inner Pelvic Muscles- Horse Anatomy|Inner Pelvic Muscles]]===
-The inner pelvic muscles are small and lie close to the coxofemoral (hip) joint.  They run between the pelvis and trochanteric fossa of the femur.
-'''''Internal Obturator'''''
-: In the horse this muscle has two heads, a small and tendinous '''pubic head''' and a larger '''pelvic head'''.
-:'''Innervation''': Sciatic n.
-:'''Origin''':
-::Pubic head - Cranial and medial borders of the obturator foramen
-::Pelvic head - Pelvic symphysis and pelvic aspect of the body of the ilium
-:'''Insertion''': Trochanteric fossa together with the ''gemellus'' muscle, having passed over the lesser sciatic notch
-:'''Action''': Rotates the femur laterally, aids hip extension
-'''''External Obturator'''''
-:'''Innervation''': Obturator n.
-:'''Origin''': Vental surface of pelvis, close to the obturator foramen
-:'''Insertion''': Trochanteric fossa
-:'''Action''': Supinates the femur and adducts the limb
-'''''Gemellus'''''
-: In the horse, these two small muscle bundles are fused and unite partly with the ''internal obturator'' muscle
-:'''Innervation''': Sciatic n.
-:'''Origin''': Ischium
-:'''Insertion''': Trochanteric fossa
-:'''Action''': Aids lateral rotation of the limb
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