BISC 1035 Lower Limb Musculature

gluteus maximus

origin of gluteus maximus

posterior ilium, sacrum, coccyx

insertion of gluteus maximus

gluteal tuberosity of femur, IT band

nerve of psoas major

lumbar plexus

origin of iliacus

iliac fossa

insertion of iliacus

lesser trochanter of femur

action of iliacus

hip flexion

nerve of iliacus

femoral/lumbar plexus

action of gluteus maximus

extension, abduction, lateral rotation of hip

psoas major

origin of psoas major

vertebrae T12-L5

insertion of psoas major

lesser trochanter of femur

action of psoas major

hip flexion

iliacus

nerve of gluteus maximus

inferior gluteal

gluteus medius

origin of gluteus medius

iliac crest, posterior ilium

insertion of gluteus medius

greater trochanter of femur

action of gluteus medius

abduction, medial rotation of thigh

nerve of gluteus medius

superior gluteal

gluteus minimus

origin of gluteus minimus

posterior ilium

insertion of gluteus minimus

greater trochanter of femur

action of gluteus minimus

abduction, medial rotation of thigh

nerve of gluteus minimus

superior gluteal

tensor fasciae latae

origin of tensor fasciae latae

anterior superior iliac spine (ASIS)

insertion of tensor fasciae latae

IT band

action of tensor fasciae latae

flexion, abduction, tenses fascia

nerve of tensor fasciae latae

superior gluteal

piriformis

origin of piriformis

sacrum, ilium

insertion of piriformis

greater trochanter of femur

action of piriformis

abduction, lateral rotation of thigh

nerve of piriformis

nerve to piriformis (S1-S2)

obturator internus

obturator externus

origin of obturator internus/externus

obturator foramen

insertion of obturator internus/externus

greater trochanter of femur

action of obturator internus/externus

lateral rotation

nerve of obturator internus/externus

obturator

superior gemellus

inferior gemellus

origin of superior/inferior gemelli

ischial spine and tuberosity

insertion of superior/inferior gemelli

greater trochanter of femur

action of superior/inferior gemelli

lateral rotation, abduction of thigh

nerve of superior/inferior gemelli

nerve to quadratus femoris

quadratus femoris

origin of quadratus femoris

ischial tuberosity

insertion of quadratus femoris

intertrochanteric crest

action of quadratus femoris

lateral rotation of thigh

nerve of quadratus femoris

nerve to quadratus femoris

sartorius

origin of sartorius

anterior superior iliac spine (ASIS)

insertion of sartorius

medial tibial tuberosity

action of sartorius

hip/knee flexion, lateral rotation of thigh

nerve of sartorius

femoral

rectus femoris

origin of rectus femoris

anterior inferior iliac spine (AIIS)

insertion of rectus femoris

patella, tibial tuberosity

action of rectus femoris

hip flexion, knee extension

nerve of quadriceps femoris

femoral

vastus lateralis

origin of vastus lateralis

linea aspera and greater trochanter of femur

insertion of vastus lateralis

patella, tibial tuberosity

action of vastus lateralis

knee extension

vastus medialis

origin of vastus medialis

linea aspera of femur

insertion of vastus medialis

patella, tibial tuberosity

action of vastus medialis

knee extension

vastus intermedius

origin of vastus intermedius

body of femur

insertion of vastus intermedius

patella, tibial tuberosity

action of vastus intermedius

knee extension

pectineus

origin of pectineus

pubis (superior ramus)

insertion of pectineus

pectineal line of femur

action of pectineus

adducts thigh, flexes hip

nerve of pectineus

femoral and obturator

gracilis

origin of gracilis

pubis (inferior ramus)

insertion of gracilis

medial tibial condyle

action of gracilis

adducts thigh, flexes hip

nerve of gracilis

obturator

adductor longus

origin of adductor longus

pubis

insertion of adductor longus

linea aspera of femur

action of adductor longus

adducts thigh, flexes hip

nerve of adductor longus

obturator

adductor brevis

origin of adductor brevis

pubis

insertion of adductor brevis

linea aspera

action of adductor brevis

adducts thigh, flexes hip

nerve of adductor brevis

obturator

adductor magnus

origin of adductor magnus

pubis and ischium

insertion of adductor magnus

linea aspera and adductor tubercle

action of adductor magnus

adducts thigh, flexes hip

nerve of adductor magnus

obturator and tibial

long head of biceps femoris