Muscles of Medial Thigh

Question 1

Pectineus

Answer 1

O:
Pectineal line of pubis

I:
Pectineal line of femur

A:
Adducts thigh
Flexes thigh

N:
Femoral n L2-L4

Question 2

Adductor Longus

Answer 2

O:
Body of pubis inferior to pubic crest

I:
Middle 1/3 of linea aspera

A:
Adducts thigh

N:
Obturator n L2-L4

Question 3

Adductor Brevis

Answer 3

O:
Body and inferior ramus of pubic bone

I:
Pectineal line of femur
Proximal part of linea aspera

A:
Adducts thigh
Aids in flexion

N:
Obturator n L2-L4

Question 4

Adductor Magnus

Answer 4

Adductor part
O:
inferior pubic ramus,
ramus of ischium

I:
Gluteal tuberosity
Linea aspera
Medial supracondylar line

A:
Adducts and flexes thigh

N:
Obturator n L2-L4

Hamstring part
O:
Ischial tuberosity

I:
Adductor tubercle of femur

A:
Extends thigh
Adducts thigh

N:
Tibial portion of sciatic n L4(L5-S1)

Question 5

Gracilis

Answer 5

O:
Body and inferior ramus of pubic bone

I:
Superior part of medial surface of tibia

A:
Adducts thigh
Flexes leg
Medially rotates thigh

N:
Obturator n L2-L4

Question 6

Popliteus

Answer 6

O:
Lateral condyle of femur
Lateral meniscus

I:
Posterior surface of tibia
Superior to soleal line

A:
Rotates femur laterally on fixed tibia OR
Medially rotates tibia on fixed femur

N:
Tibial nerve ventral L4-S1