Muscles of Lower Limbs & Pelvic Girdle

Action, Origin, Insertion

What is the action of gluteus maximus

Extend and laterally rotate thigh

What is the action of gluteus medius

abduct and medially rotate thigh

What is the insertion of gluteus medius

greater trochanter of femer

What is the action of tensor fasciae late

Abduct thigh and laterally support knee by tensing iliotibial tract

What is the origin of tensor fasciae latae

iliac crest and anterior superior iliac spine

What is the insertion of tensor fasciae latae

iliotibial tract

What is the action of adductor longus

adduct thigh

What is the origin of adductor longus

inferior pubic ramus

what is the insertion of adductor longus

linea aspera of femur

What is the action of adductor magnus

adduct thigh

What is the origin of adductor magnus

inferior pubic ramus and ischial tuberosity

What is the insertion of adductor magnus

linea aspera of femur

What is the action of pectineus

adduct and flex thigh

What is the origin of pectineus

superior pubic ramus

What is the insertion of pectineus

linea aspera of femur

What is the action of iliacus

flex the thigh, flex vertebral column

What is the origin of iliacus

iliac fossa

What is the insertion of iliacus

lesser trochanter of femur

What is the action of psoas major

flex thigh, flex vertebralcolumn

What is the origin of psoas major

vertebral bodies T12-L5

What is the insertion of psoas major

lesser trochanter of femur

What is the action of piriformis

laterally rotate thigh

What is the insertion of piriformis

greater trochanter of femur

What is the action of gracilis

adduct thigh and flex crus

What is the origin of gracilis

inferior pubic ramus

What is the action of biceps femoris, long head

extend thigh, flex crus, laterally rotate thigh

What is the origin of biceps femoris, long head

ischial tuberosity

What is the action of biceps femoris short head

flex crus (does not act on femur)

What is the origin of biceps femoris short head

linea aspera of femur

What is the action of semimembranosus

extend thigh, flex crus, medially rotate thigh

What is the origin of semimembranosus

ischial tuberosity

What is the action of semitendinosus

extend thigh, flex crus, medially rotate thigh

What is the origin of semitendinosus

ischial tuberosity

What is the action of sartorius

flex and laterally rotate thigh, flex crus

What is the origin of sartorius

anterior superior iliac spine

What is the action of rectus femoris

flex thigh, extend crus

What is the origin of rectus femoris

anterior inferior iliac spine

What is the insertion of rectus femoris

Tibial tuberosity (via patellar ligament)

What is the action of vastus intermedius

extend crus

What is the origin of vastus intermedius

anterior shaft of femur

What is the insertion of vastus intermedius

tibial tuberosity

What is the action of vastus lateralis

extend crus

What is the origin of vastus lateralis

greater trochanter and linea aspera of femur

What is the insertion of vastus lateralis

tibial tuberosity

What is the action of vastus medialis

extend crus

What is the origin of vastus medialis

linea aspera of femur

What is the insertion of vastus medialis

tibial tuberosity

What is the action of tibialis anterior

dorsiflection and inverson of pes

What is the action of extensor digitorum longus

dorsiflection and extend digits 2-5

What is the action of extensor hallucis longus

dorsiflextion and extend hallux

What is the action of fibularis longus and brevis

planterflextion and eversion of pes

What is the action of soleus

plantarflextion

What is the insertion of soleus

calcaneus

What is the action of flexor digitorum longus

plantarflexion and flex digits 2-5

What is the action of flexor hallucis longus

plantarflexion and flex hallux

What is the action of Tibialis posterior

plantarflexion and inversion of pes