Topic 14 - Caudal muscles of the buttock

Question 1

M.biceps femoris

Answer 1

O: pars cranials: sacrotuberous ligament, pars caudalis: tub. ischiadicum
I: By means of fascia lata and crural fascia to the patella, lig.patellae and tub.tibiae and tibial crest, tuber calcanei by accesory tendon
A: Extend hip and hock. It´s cran. part extends and the caud. part flexes the stifle.

Question 2

M.abductor cruris caudalis

Answer 2

O: Dist. part of the sacrotuberous lig.
I: Dissapears in crural fascia on lat. side.
A: Abduct the hindlimb, flex stifle

Question 3

M.semimembronusus

Answer 3

O: Vent. aspect to the tub.ishiadica
I: Cran. belly dist. on labium med. and condylus med. of femur, cau. muscle belly on condylus med. of tibia
A: To ext. the hip, flex stifle joint

Question 4

M.semitendinosus

Answer 4

O: Tub.ischiadicum
I: On tibial crest (med.) and tub.calcanei by means of the crural fascia/tendo common calcanei
A: Ext. hip, flex stifle and ext. the hock

Question 5

Caudal muscles of the buttock

Answer 5

M.biceps femoris
M.abductor cruris caudalis
M.semitendinosus
M.semimembronus
All of them o. from pelvis/sacrotuberous lig., and i. on femur/tibia. All except abductor extends the hip, with something else as action.