Muscles of the Hip

Question 1

Name the Origin, Insertion, Action, and Nerve for:

Psoas Major

Answer 1

O: T12- L4 vertebral bodies

I: Lesser Trochanter via Illiopsoas Tendon

A:Flex hip, ER hip, Flex L/S, ipsilat flex spine

N: L1-L3 direct branches

Question 2

Name the Origin, Insertion, Action, and Nerve for:

Iliacus

Answer 2

O: Iliac Fossa

I: Lesser Trochanter via Iliopsoas tendon

A: Flex hip, ER hip

N: Femoral N

Question 3

Name the Origin, Insertion, Action, and Nerve for:

Sartorius

Answer 3

O: ASIS

I: Med to the Tibial Tuberosity via Pes Anserinus

A: Flex, ABD, ER hip, Flex knee, IR tibia

N: Femoral N

Question 4

Name the Origin, Insertion, Action, and Nerve for:

Gluteus Maximus (Upper/Lower)

Answer 4

O: Sacrum, gluteal surface ilium, thoracolumbar fascia, (lower = Sacrotuberous lig)

I: Upper= Lat condyle of tibia via ITB// Lower= Gluteal Tuberosity

A: Ext, ER hip, (upper = ABD)//(lower = ADD)

N: Inferior gluteal N

Question 5

Name the Origin, Insertion, Action, and Nerve for:

Gluteus Medius

Answer 5

O: Superior gluteal surface ilium

I: Lat Greater Trochanter

A: ABD hip,
anterior fibers = Flex & IR hip,
post fiber+ Ext & ER hip

N: Superior gluteal N

Question 6

Name the Origin, Insertion, Action, and Nerve for:

Gluteus Minimus

Answer 6

O: Inferior gluteal surface of the ilium

I: Anterior Greater Trochanter

A: ABD hip
Anterior fibers = Flex & IR hip
Posterior fibers = Ext & ER hip

N: Superior gluteal N

Question 7

Name the Origin, Insertion, Action, and Nerve for:

Tensor Fascia Latae

Answer 7

O: ASIS

I: Lat condyle tibia via ITB

A: ABD, Flex, IR hip, tenses the fascia lata

N: Superior gluteal N

Question 8

Name the Origin, Insertion, Action, and Nerve for:

Piriformis

Answer 8

O: Anterior surface sacrum

I: Greater trochanter apex

A: ER, ABD, Ext hip

N: L5- S2 direct branches

Question 9

Name the Origin, Insertion, Action, and Nerve for:

Obturator Internus

Answer 9

O: Inner surface obturator membrane

I: Greater trochanter (medial surface)

A: ER, Ext hip, ADD < 30 degs ABD, ABD > 30 ABD

N: L5- S1 direct branches

Question 10

Name the Origin, Insertion, Action, and Nerve for:

Obturator Externus

Answer 10

O: Outer surface obturator membrane

I: Trochanteric fossa

A: ER, ADD hip

N: Obturator N

Question 11

Name the Origin, Insertion, Action, and Nerve for:

Quadratus Femoris

Answer 11

O: Ischial Tuberosity

I: Intertrochanteric crest

A: ER, ADD hip

N: L5-S1 direct branches

Question 12

Name the Origin, Insertion, Action, and Nerve for:

Pectineus

Answer 12

O: Superior pubic ramus

I: Pectineal line (prox. linea aspera)

A: ADD, IR, Flex hip

N: Femoral N

Question 13

Name the Origin, Insertion, Action, and Nerve for:

Adductor Longus

Answer 13

O: Pubic Body (sup pubic ramus)

I: Linea Aspera

A: ADD, Flex (to 70 deg), IR hip

N: Obturator N

Question 14

Name the Origin, Insertion, Action, and Nerve for:

Adductor Brevis

Answer 14

O: Inferior pubic ramus

I: Linea aspera

A: ADD, Flex, IR hip

N: Obturator N

Question 15

Name the Origin, Insertion, Action, and Nerve for:

Adductor Magnus (Anterior/Posterior)

Answer 15

O: Inf pubic ramus, Ischial ramus // Ischial ramus, Ischial tuberosity

I: Linea aspera (med lip) // Adductor tubercle

A: ADD hip
Anterior = IR & Flex
Posterior = ER & Ext

N: Obturator N // Tibial N

Question 16

Name the Origin, Insertion, Action, and Nerve for:

Gracilis

Answer 16

O: Inferior pubic ramus

I: Med to Tibial Tuberosity via Pes Anserinus

A: ADD & Flex hip, Flex knee, IR tibia

N: Obturator N