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100 Cards in this Set

  • Front
  • Back
what is the origin of rectus femorus
AIIS and ilium superior to the acetabulum
what is the insertion of rectus femorus
Via quad tendon to base of the patella and pataller tendon
what is the nerve inervation of rectus femorus
Femoral (L2-4)
What is the function of rectus femorus
extend leg at knee, steadies hip joint and helps to flex thigh
origin of vastus lateralis
greater trochanter and lateral lip of linea aspera of femur
insertion of vastus lateralis
via quad tendon to base of patella and pateller ligament
nerve of vastus lateralis
Femoral L2-4
function of vastus lateralis
extend leg at the knee
origin of vastus medialis
intertrochanteric line and medial lip of linea aspera of femur
insertion of vastus medialis
via quad tendon to base of patella and patellar ligament
nerve of vastus medialis
Femoral L2-4
function of vastus medialis
extend leg at the knee
origin of vastus intermedius
anterior and lateral surfaces of shaft of femur
insertion of vastus intermedius
via quad tendon to base of patella and patellar ligament
nerve of vastus intermedius
femoral L2-4
function of vastus intermedius
extend leg at the knee
origin of adductor longus
body of pubis inferior to pubic crest
insertion of adductor longus
middle third of linea aspera of femur
nerve of adductor longus
obturator (ant division) L2-4
function of adductor longus
adducts thigh
origin of adductor brevis
body and inferior ramus of pubis
insertion of adductor brevis
pectineal line and proximal part of linea aspera of femur
nerve of adductor brevis
obturator L2-4
function of adductor brevis
adducts thigh, flexes to some extent
origin of adductor magnus
adductor part: inferior ramus of pubis, ramus of ischium
hamstring part: ischial tuberosity
insertion pf adductor magnus
adductor part: gluteal tuberosity, linea aspera, medial supracondylar line
Hamstring part: adductor tubercle of femur
nerve of adductor magnus
adductor part: obturator nerve L2-4
Hamstring part: tibial branch of sciatic
function of adductor magnus
adduct thigh,
adductor part: flexes thigh
hamstrings part: extends thigh
origin of gracilis
body and inferior ramus of pubis
insertion of gracilis
sup part of medial surface of tibia (pes anserine)
nerve of gracilis
obturator L2-3
function of gracilis
adducts thigh, flexes leg, helps rotate it medially
origin of obturator externus
margins of obturator foramen and obturator membrane
insertion of obturator externus
trochanteric fossa of femur
nerve of obturator externus
obturator L3-4
function of obturator externus
laterally rotates thigh, steadies head of femur in acetabulum
origin of gluteus maximus
ilium posterior to posterior gluteal line, dorsal surface of sacrum and coccyx, sacrotuberous ligament
insertion of gluteus maximus
iliotibial tract, gluteal tuberosity
nerve of gluteus maximus
inferior gluteal L5, S1-2
function of gluteus maximus
extends thigh and assists in lateral rotation, steadies thigh and assists in rising from sitting position
origin of gluteus medius
external surface of ilium between anterior and posterior gluteal lines
insertion of gluteus medius
lateral surface of greater trochanter
nerve of gluteus medius
superior gluteal
function of gluteus medius
abducts and medially rotates thigh, helps to keep pelvis level during swing phase of gait
origin of gluteus minimus
external surface of ilium between anterior and posterior gluteal lines
insertion of gluteus minimus
anterior surface of greater trochanter
nerve of gluteus minimus
superior gluteal L5 S1
function of gluteus minimus
abduct and medially rotates thigh, helps to keep pelvis level during swing phase of gait
Origin of tensor fascia lata
ASIS, anterior part of iliac crest
insertion of tensor fascia lata
iliotibial tract
nerve of tensor fascia lata
superior gluteal L5, S1
function of tensor fascia lata
abduct and medially rotates thigh, helps to keep pelvis level during swing phase of gait
origin of piriformis
anterior surface of sacrum, sacrotuberous ligament
insertion of piriformis
superior border of greater trochanter of femur
nerve of piriformis
branches of anterior rami of S1-2
function of piriformis
laterally rotates extended thigh and abducts flexed thigh, steadies head of femur in acetabulum
origin of obturator internus
pelvic surface of obturator membrane and surrounding bones
insertion of obturator internus
medial surface of greater trochanter (trochanteric fossa) of femur
nerve of obturator internus
nerve to obturator internus L5 S1
function of obturator internus
laterally rotates extended thigh and abducts flexed thigh, steadies head of femur in acetabulum
origin of superior gemelli
ischial spine
insertion superior gemelli
medial surface of greater trochanter (trochanteric fossa) of femur
nerve of superior gemelli
nerve to obturator internus L5 S1
function of superior gemelli
laterally rotates extended thigh and abducts flexed thigh, holds head of femur in acetabulum
origin of inferior gemelli
ischial tuberosity
insertion of inferior gemelli
medial surface of greater trochanter (trochanteric fossa) of femur
nerve of inferior gemelli
nerve to quadratus femoris L5 S1
function of inferior gemmelli
laterally rotates extended thigh and abducts flexed thigh, holds head of femur in acetabulum
origin of quadratus femoris
lateral border of ischail tuberosity
insertion of quadratus femoris
quadrate tubercle on intertrochanteric crest of femur and area inferior to it
nerve of quadratus femoris
nerve to quadratus femoris L5 s1
function of quadratus femoris
laterally rotates thigh, steadies head of femur in acetabulum
origin of semitendinosis
ischial tuberosity
insertion of semitendinosis
medial surface of superior part of tibia (pes anserine)
nerve of semitendinosis
tibial division of sciatic (L5, S1< S2)
function of semitendinosis
extends thigh, flexes leg and rotates it medially when knee is flexed, when thigh and leg are flexed can help to extend trunk
origin of semimebranosus
ischial tuberosity
insertion of semimembranosus
posterior part of medial condyle of tibia, reflected attachment forms oblique popliteal ligament
nerve of semimembranosus
tibial division of sciatic L5s1 S2
function of semimembranosus
extends thigh, flexes leg and rotates it medially when leg is flexed, can help extend trunk when leg and thigh are flexed
origin of biceps femoris
long head: ischial tuberosity
short head: linea aspera and lateral supracondylar line of femur
insertion of biceps femoris
lateral side of head of fibula
nerve of biceps femoris
long head: tibial division of sciatic L5, S1-2
short head: common fibular division of sciatic
function of biceps femoris
flexes leg and rotates it laterally when knee is flexed, extends thigh
origin of tibialis anterior
lateral condyle and superior half of lateral surface of tibia and interosseous membrane
insertion of tibialis anterior
medial and inferior surfaces if medial cuneiform and base of 1st met
nerve of tibialis anterior
deep fibular L4 L5
function of tibialis anterior
dorsiflexes ankle and inverts foot
origin of extensor digitorum longus
lateral condyle of tibia and superior three quarters of medial surface of fibula and interoseous membrane
insertion of extensor digitorum longus
middle and distal ohalanges of lateral four digits
nerve of extensor digitorum longus
deep fibular L5 S1
function of extensor digitorum lonus
extends lateral four digits and dorsiflexes ankle
origin of extensor hallucis longus
middle part of anterior suface of fibula and interosseous membrane
insertion of extensor hallucis longus
dorsal aspect of base of distal phalanx of great toe
nerve of extensor hallucis longus
deep fibular L5 S1
funtion of extensor hallucis longus
extends great toe and dorsiflexes ankle
origin of fibularis tertius
inferior third of anterior surface of fibula and interosseous membrane
insertion of fibularis tertius
dorsum of base of 5th metatarsal
nerve of fibularis tertius
deep fibular L5, S1
function of fibularis tertius
dorsiflexes ankle and aids in inversion of the foot