med thigh muscles

Question 1

Pectineus- O, I, IN, A

Answer 1

O- Pectineal crest on sup pubic ramps

I- spiril line on femur

In- Fem n (post div), Obturator n. (ant div) L2,3

A- Adducts thigh, flexes thigh

Question 2

Adductor longus- O, I, IN ,A

Answer 2

O- angle bw pubic crest and pubic symphysis

I- Med lip, middle third of lines aspera

IN- obturator n. (ant_

A- adducts thigh, flexes thigh

Question 3

Adductor brevis, O, I, IN, A

Answer 3

O- ishiopubic ramus

I- Medial lip, prox third of lines aspera

IN- obturator n (ant and /or post)

A- adducts thigh, flexes thigh

Question 4

Adductor magnus (adductor part)- O, I, IN, A

Answer 4

O- ishio pubic ramus

I- medial lip of lines aspera

IN- obturator (post) L2,3,4

A- adduct thigh, flex thigh

Question 5

Adductor magnus (hamstring part)- O, I, IN, A

Answer 5

O- ischial tuberosity

I- Adductor tubercle

IN- sciatic nerve (tibial div) L4

A- Adducts thigh, extends thigh

Question 6

Gracilis- O, I, IN, A

Answer 6

O- inf pubic ramus, symphysis pubis (lower)

I- Prox part of tibia (med surface)

IN- Obturator N (ant) L2,3

A- Adducts thigh, flexes thigh and leg, med rot

Question 7

Obturator externus- O, I, IN, A

Answer 7

O- med margin of obturator foramen, pubic ramus, ishial inf ramus, obt membrane external surface med 2/3

I- Trochanteric fossa of femur

IN- Obturator N (to obt externus)

A- lat rotates thigh, stabalizes head