Hindlimb Muscles Flashcards
Biceps Femoris Origin
ischiatic tuberosity and sacrotuberous ligament
Biceps Femoris Terminationq
patella, tibia, and tuber calcanei
Biceps Femoris Action
extend coxal joint, variable action in genual joint, extend tarsocrural joint
Semitendinosus Origin
ischiatic tuberosity
Semitendinosus Termination
tibia and tuber calcanei
Semitendinosus Action
extend the coxal joint, variable action of the genual joint, extend the tarsocrural joint
Caudal Muscles of the Thigh
biceps femoris, semitendinosus, semimembranosus
Medial Muscles of the Thigh
sartorius, gracilis, pectineus, adductor
Sartorius Origin
crest of ilium
Sartorius Termination
medial aspect of the genual region
Sartorius Action
flex the coxal joint, extend or flex the genual joint
Gracilis Origin
pelvic symphysis
Gracilis Termination
medial aspect of the genual region and tuber calcanei
Gracilis Action
adduct the limb, extend the coxal joint, flex the genual joint, extend the tarsocrural joint
Pectineus Origin
iliopubic eminence
Pectineus Termination
distal body of femur
Pectineus Action
adduct the limb
Adductor Origin
ventral surface of os coxae
Adductor Termination
caudal surface of femur
Adductor Action
adduct limb and extend coxal joint
Lateral Muscles of the Pelvis
Tensor fasciae latae, superficial gluteal, middle gluteal, piriformis, deep gluteal, articularis coxa
Tensor Fascia Latae Origin
tuber coxae
Tensor Fasciae Latae Termination
fascia lata
Tensor Fasciae Lattae Action
tense the fascia
Superficial Gluteal Origin
sacrotuberous ligament
Superficial Gluteal Action
abduct the limb
Middle Gluteal Origin
gluteal surface of the ilium
Middle Gluteal Termination
greater trochanter of the femur
Middle Gluteal Action
extend the coxal joint, abduct the limb
Piriformis Origin
sacrum and first caudal vertebra
Piriformis Termination
greater trochanter
Piriformis Action
extend the coxal join, abduct the limb
Deep Gluteal Origin
body of ilium and ischiatic spine
Deep Gluteal Termination
greater trochanter
Deep Gluteal Action
extend the coxal joint
Articularis Coxa
surgical landmark to lateral approach to coxal joint
Caudal Hip Muscles
external obturator, internal obturator, gemelli, quadratus femoris
Internal Obturator Origin
dorsal aspect of os coxae around obturator foramen
Internal Obturator Termination
trochanteric fossa
Internal Obturator Action
rotate the limb laterally at the coxal joint
Quadratus Femoris Origin
ventral aspect of the ischium
Quadratus Femoris Termination
caudal femur near the trochanteric fossa
Quadratus Femoris Action
extend coxal joint, adduct and/or rotate the limb laterally at the coxal joint
External Obturator Origin
ventral aspect of os coxae around obturator foramen
External Obturator Termination
trochanteric fossa
External Obturator Action
adduct and/or rotate the limb laterally at the coxal joint
Cranial Muscles of the Thigh
quadriceps femoris, iliopsoas,
Quadriceps Femoris Origin
rectus femoris- ilium
all other head- proximal femur
Quadriceps Femoris Termination
tibial tuberosity
Quadriceps Femoris Action
flex the coxal joint
Iliopsoas Origin
ilium and lumbar vertebrae