Studied by 3 people
Pelvis/Thigh and Leg/Foot
Quadriceps Femoris
rectus femoris, vastus medialis, vastus lateralis, vastus intermedius
rectus femoris origin
AIIS
vastus medialis origin
medial lip of linea aspera
vastus lateralis origin
lateral lip of linea aspera, gluteal tuberosity, greater trochanter
vastus intermedius origin
anterior and lateral shaft of femur
quadriceps femoris insertion
Tibial tuberosity (via the patella and patellar ligament)
quadriceps femoris innervation
femoral L2, 3, 4
Hamstrings
biceps femoris, semitendinosus, semimembranosus
Biceps Femoris origin
long head: ischial tuberosity; short head: lateral lip of linea aspera
Semitendinosus/Semimembranosus Origin
Ischial Tuberosity
Biceps Femoris insertion
head of fibula
Semitendinosus insertion
proximal, medial shaft of the tibia at pes anserinus tendon
semimembranosus insertion
posterior aspect of medial condyle of tibia; medial condyle of tibia
biceps femoris action
laterally rotate flexed knee, assist in hip lateral rotation
semimembranosus/semitendinosus action
medially rotate flexed knee, assist in hip medial rotation
Hamstrings Action
flex knee, extend hip, tilt pelvis posteriorly
gluteus maximus origin
coccyx, edge of sacrum, posterior iliac crest, sacrotuberous, sacroiliac ligaments
gluteus maximus insertion
gluteal tuberosity and iliotibial tract
gluteus maximus action
extend hip, laterally rotate hip, abduct hip
gluteus maximus innervation
inferior gluteal L5, S1, 2
gluteus medius origin
gluteal surface of ilium, between posterior and gluteal lines, just below iliac crest
gluteus medius insertion
lateral aspect of greater trochanter
gluteus medius action
abduct hip, flex hip, medially rotate hip (anterior), extend hip, laterally rotate hip (posterior)
gluteus medius innervation
superior gluteal L4, 5, S1
gluteus minimus origin
gluteal surface of ilium between anterior and inferior gluteal lines
gluteus minimus insertion
anterior aspect of greater trochanter
gluteus minimus action
abduct hip, medially rotate hip, flex hip
adductor group
adductor magnus, adductor longus, adductor brevis, pectineus, gracilis
adductor group action
adduct hip, medially rotate hip
adductor magnus origin
inferior ramus of pubis; ramus of ischium, ischial tuberosity
adductor magnus insertion
medial lip of linea aspera, adductor tubercle
adductor magnus innervation
obutrator L2, 3, 4; sciatic L4, 5, s1
adductor longus origin
pubic tubercle
adductor longus insertion
medial lip of linea aspera, pectineal line
adductor longus innervation
obturator L2, 3, 4
adductor brevis origin
inferior ramus of pubis
adductor brevis insertion
medial lip of linea aspera; pectineal line
adductor brevis innervation
obturator L2, 3, 4
pectineus origin
superior ramus of pubis
pectineus insertion
pectineal line of femur
pectineus innervation
obturator L2, 3, 4; femoral
gracilis origin
inferior ramus of pubis
gracilis insertion
proximal, medial shaft of tibia at pes anserinus tendon
gracilis innervation
obturator L2, 3, 4
TFL and Iliotibial Tract origin
iliac crest, posterior to ASIS
TFL and iliotibial tract insertion
iliotibial tract
TFL action
flex, medially rotate, abduct hip
TFL and Iliotibial tract Innervation
Superior Gluteal L4, 5, S1
sartorius origin
ASIS
sartorius insertion
proximal medial shaft of tibia at pes anserinus tendon
sartorius action
flex, laterally rotate, abduct hip; flex, medially rotate kee
sartorius innervation
femoral l2, 3, (4)
lateral rotators of hip
piriformis, quadratus femoris, obturator internus/externus, gemellus superior/inferior
piriformis origin
anterior surface of sacrum
piriformis insertion
superior aspect of greater trochanter; greater trochanter
piriformis action
Laterally rotate the hip; abduct the hip when flexed
piriformis innervation
sacral plexus L5, S1, 2
quadratus femoris origin
lateral border of ischial tuberosity
quadratus femoris insertion
intertrochanteric crest
quadratus femoris action
laterally rotate hip
quadratus femoris innervation
sacral plexus L4, 5, s1, 2
obturator internus origin
obturator membrane and inferior surface of obturator foramen
obturator internus insertion
medial surface of greater trochanter
obturator internus action
laterally rotate hip
obturator internus innervation
sacral plexus L5, s1, 2
obturator externus origin
obturator membrane, rami of pubis, and ischium
obturator externus insertion
trochanteric fossa of femur
obturator externus action
laterally rotate hip
obturator externus innervation
obturator L3, 4
gemellus superior origin
ischial spine
gemellus superior insertion
medial surface of greater trochanter
gemellus superior action
laterally rotate hip
gemellus superior innervation
sacral plexus L5, s1, 2
gemellus inferior origin
ischial tuberosity
gemellus inferior insertion
medial surface of greater trochanter
gemellus inferior action
laterally rotate hip
gemellus inferior innervation
sacral plexus L4, 5, s1, (2)
ilipsoas
psoas major and iliacus
psoas major origin
bodies and transverse processes of lumbar vertebrae
psoas major insertion
lesser trochanter of femur
psoas major action
flex hip; laterally rotate hip, flex trunk towards thigh; tilt pelvis anteriorly
psoas major innervation
lumbar plexus l1, 2, 3, 4
iliacus origin
iliac fossa
iliacus insertion
lesser trochanter of femur
iliacus action
flex hip; laterally rotate hip, flex trunk toward thigh; tilt pelvis anteriorly
iliacus innervation
femoral l1, 2, 3, 4
gastrocnemius origin
condyles of femur
gastrocnemius insertion
calcaneus via calcaneal tendon
gastrocnemius action
flex knee; plantarflex ankle
gastrocnemius innervation
tibial s1, 2
soleus origin
soleal line; proximal, posterior surface of tibia and posterior aspect of head of fibula
soleus insertion
calcaneus via calcaneal tendon
soleus action
plantarflexion
soleus innervation
tibial l5, s1, 2
plantaris origin
lateral supracondylar line of femur
plantaris insertion
calcaneus via calcaneal tendon
plantaris action
weak plantarflexion/knee flexion
plantaris innervation
tibial l4, 5, s1, (2)
popliteus origin
lateral condyle of femur
popliteus insertion
proximal, posterior aspect of tibia
