MUSCLES OF THE MEDIAL THIGH

Question 1

MUSCLES OF THE MEDIAL THIGH

1. Gracilis 4. Adductor Brevis
2. Pectineus 5. Adductor Magnus
3. Adductor Longus

These muscles have a common action, what is it?**

Answer 1

adduction of the femur

Question 2

MUSCLES OF THE MEDIAL THIGH

1. Gracilis 4. Adductor Brevis
2. Pectineus 5. Adductor Magnus
3. Adductor Longus

These muscles have a common nerve supply, what is it?**

Answer 2

obturator nerve

Question 3

named from the Latin word pecten, which means comb

􀁸 it is a small muscle that is the most superior of the medial thigh muscles and found just medial to the
iliopsoas

Answer 3

Pectineus

Question 4

Pectineus origin:

Answer 4

superior ramus (pubic pecten)/ramus

Question 5

Pectineus insertion:

Answer 5

pectineal line/femur

Question 6

Pectineus actions:

Answer 6

adducts the femur


flexion at the hip joint

Question 7

Pectineus nerve supply:

Answer 7

femoral (L2,L3,L4) and obturator (L2,L3,L4)

Question 8

a small muscle found deep to the pectineus and adductor longus

Answer 8

Adductor Brevis

Question 9

Adductor Brevis origin:

Answer 9

inferior ramus/pubis

Question 10

Adductor Brevis insertion:

Answer 10

pectineal line and linea aspera/femur

Question 11

Adductor Brevis action:

Answer 11

adduction of the femur

Question 12

Adductor Brevis nerve supply:

Answer 12

obturator (L2,L3,L4)

Question 13

a muscle found just medial and slightly inferior to the pectineus

Answer 13

Adductor Longus

Question 14

Adductor Longus origin:

Answer 14

inferior ramus/pubis

Question 15

Adductor Longus insertion:

Answer 15

pectineal line and linea aspera/femur

Question 16

Adductor Longus action:

Answer 16

adduction of the femur

Question 17

Adductor Longus nerve supply:

Answer 17

obturator N. (L2.L3, L4)

Question 18

a large composite muscle (part medial thigh and part posterior thigh)

􀁸 this muscle is found deep to the adductor longus (anteriorly) and the hamstrings (posteriorly)

Answer 18

Adductor Magnus

Question 19

The adductor magnus has a tendon of insertion that is a slit like opening which leads into the popliteal fossa (this opening is where the femoral vessels become the popliteal vessels) called:**

Answer 19

hiatus tendinous (adductor hiatus)

Question 20

Adductor Magnus origin:

Answer 20

rami/ischium and pubis

Question 21

Adductor Magnus insertion:

Answer 21

linea aspera and adductor tubercle/femur

Question 22

Adductor Magnus action:

Answer 22

adducts the femur



extends the femur at the hip joint

Question 23

Adductor Magnus nerve supply:

Answer 23

obturator (L2,L3,L4) and sciatic (L4-S3)

Question 24

􀁸 comes from the Latin word for slender
􀁸 a long, narrow muscle which passes vertically downward on the medial aspect of the thigh and is
superficial throughout its course
􀁸 it is the only muscle of the medial thigh which crosses both the hip and knee joint

Answer 24

Gracilis

Question 25

Gracilis origin:

Answer 25

ramus/ischium and inferior ramus/pubis

Question 26

Gracilis insertion:

Answer 26

superior medial shaft/tibia

Question 27

Gracilis actions:

Answer 27

Flex the leg

adducts the femur

Question 28

Gracilis nerve supply:

Answer 28

obturator (L2,L3, L4)

Question 29

This muscle can be removed without noticeable loss of
action and surgeons often transplant this muscle or part of it (with nerve and blood vessels) to replace a
damaged muscle (i.e. hand muscles)**

Answer 29

Gracilis

Question 30

􀁸 a condition in which there is stretching of the origin of an adductor muscle beyond their tensile strength
􀁸 usually occur in sports that require quick starts and patients will usually describe the following symptoms:
1. pain and tenderness in the groin area
2. stiffness in the area
3. weakness of the muscle(s)
4. possible bruising in the area
􀁸 a strain of the iliopsoas
􀁸 this may consists of micro tears of the fibers (grade I), partial tears (grade II) or complete tears (grade III)**

this is classified as a:

Answer 30

Pulled Groin(Adductor Strain)