Hindlimb Flashcards
Iliopsoas parts?
Psoas major
Iliacus
Origin + insertion of psoas major
O: Transverse processes L2-L3
I: L4-L7 and lesser trochanter of femur
Origin and insertion of iliacus
O: ventral border of ilium
I: lesser trochanter of femur
Action of iliopsoas?
Hip flexion
4 parts of quadriceps femurs?
Rectus femoris
Vastus lateralis
Vastus intermedius
Vastus medialis
Insertion of quadriceps femurs?
Tibial tuberosity via patella tendon
Rectus femoris origin?
iliopubic eminence
Vastus x3 origin
proximal femur
Quadriceps femoris innervation?
Femoral nerve
Function of quadriceps
stifle extension
Gluteus medius? O,I,F
O: gluteal surface of ilium
I: greater trochanter
F: hip extension
Gluteus profundus? O,I,F
O: shaft of ilium to ischiadic spine
I: intertrochanteric fossa
F: hip extension
Gluteus superficialis? O,I,F
O: lateral borders of sacrum, sacrotuberous ligament
I: third trochanter and fascia lata
F: hip extensor
Tensor fascia lata origin and insertion
O: dorsal border of ilium
I: fascia lata
Sartorius: O+I
O: fascia of iliac crest
I: tibial/femoral fascia
Sartorius nerve supply?
saphenous
Sartorius function?
HL protraction
External obturator
O:
I:
F;
O: rim of obturator foramen
I: intertrochanteric fossa
F: hip stability
N: obturator
Pectineus origin
prepubic tendon
Pectineus insertion
distal medial femoral fascia
Pectineus innervation
obturator
Adductor O+I?
O: entire pelvic symphysis
I: caudal shaft of femur
Gracilis O+I?
O: pubic symphysis
I: medial fascia of proximal tibia
Gracilis innervation?
obturator
Gracilis action?
hip extensor
Semimembranosus - O,I,F,N
O: ischial tuberosity
I: tibial and femoral fascia
F: hip extension
N: tibial nerve
Semitendinosus - O,I,F,N
O: ischial tuberosity
I: cranial tibia/calcaneal tendon
F: hip extensor
N: tibial nerve
Biceps femoris - O, I, F, N
O: ischial tuberosity
I: fascia lata, CCT
F: hip extension
Iā tibial nerve
Gastrocnemius origin
medial and lateral supracondylar tuberosities of femur
Gastrocnemius insertion
CCT
Gastrocnemius innervation
tibial
Gastrocnemius function
Tibiotarsal extension
Superficial digital flexor origin
Supracondylar fossa of femur
SDF Insertion
Plantar surfaces P2, digits 2-5
SDF function
Digit flexion
SDF innervation
Tibial nerve
DDF origin
Caudal surface of tibia and lateral condyle (3 heads)
DDF insertion
Planter surface of P3, digits 2-5
DDF innervation
tibial nerve
DDF function?
digit flexion
Tibialis cranialis origin
Proximo-lateral tibial crest
Tibialis cranialis insertion
Area of central tarsal bone, prox MT2
Tibialis cranialis innervation
fibular
Tibialis cranialis function?
Tibio-tarsal flexion
Long digital extensor O+I
O: lateral condyle of femur
I: extensor processes of P3, digits 2-5
Long digital extensor innervation
Fibular nerve
Long digital extensor action
Digital extensor
Lateral digital extensor O+I
O: lateral tibia
I: joins with long digital extensor to insert onto P3, digit 5
Lateral digital extensor innervation?
fibular
Fibularis longus O+I
O: lateral condyle of tibia
I: proximal MT3+4
Inerossei O+I
O: palmar-proximal third of MT2-MT5
I: via proximal sesamoids to proximal P1, digits 2-5. Slips to extensor tendons.
Interossei function?
Metatarsophalangeal flexor
