lecture 20

Question 1

Superior boundary of the gluteal region

Answer 1

iliac crest

Question 2

medial boundary of gluteal region

Answer 2

intergluteal cleft

Question 3

inferior boundary of gluteal region

Answer 3

gluteal fold

Question 4

Anterior compartment at the thigh: innervation and action

Answer 4

flexes the thigh and extends the knee joint

innervated by the femoral nerve

Question 5

Posterior compartment of the the thigh: innervation and action

Answer 5

extends the thigh and flexes the knee

innervated by the tibial nerve (Branch of the sciatic nerve)

Question 6

Medial compartment of the thigh
innervation and action

Answer 6

adducts the thigh at the hip joint

innervation is the obturator nerve

Question 7

iliac muscle

Answer 7

(O)- iliac fossa
(I)- lesser trochanter
(N)- femoral nerve
(A)- flex the the thigh at the hip

Question 8

Psoas muscle:

Answer 8

(O)- T12 - L5
(I)- the lesser trochanter
(N)- Femoral nerve
(A) - flex thigh at the hip

Question 9

4 quads

Answer 9

*Rectus femurs
*Vastus medium
*Vastus lateral
*Vastus intermedius

Question 10

Rectus femurs

Answer 10

O: the anterior inferior iliac spine & superior to the acetabular fossa
I: tibial tuberosity by the patella
n: Femoral nerve
a: Flexes thigh and extends knee

Question 11

Vastus laterals

Answer 11

O: Anterior and inferior to the greater trochanter and by line aspera
I: tibial tuberosity of the patella
N: femoral nerve

Question 12

Vastus medials

Answer 12

O: whole length of the line aspera
I: Tibial tuberosity of the patella
N: the femoral nerve

Question 13

Vastus intermedius

Answer 13

O: Anteriolateral surface of the femur and line aspera (distal part:)

I: Tibial tuberosity of the patella

Question 14

Sartorius

Answer 14

O: the anterior superior part of the iliac spine
I: medial surface of the tibia

Question 15

Adductor longus

Answer 15

O: inferior ramus of pubis
I: line aspera
N: Obturator nerve
A: Flexor , adductor and medial rotator

Question 16

Adductor brevis

Answer 16

O: inferior ramus of pubis
I: Line aspera
N: Obturator nerve
A: Flexor, adductor, Medial rotator

Question 17

Adductor magnus

Answer 17

O: inferior ramus of pubis and ischial tuberosity
I: Line aspera
N: Obturator nerve and sciatic nerve
A: Adduct, superior part flexes and medially rotates while inferior part flexes and laterally rotates

Question 18

The Femoral triangle

Answer 18

a junctional region between the trunk and
lower limb.
▪ It is a triangular fascial space in the superoanterior third of the
thigh.

Question 19

FEMORAL TRIANGLE- CONTENT

Answer 19

▪ Femoral nerve and its branches
▪ Femoral sheath and its contents
▪ Femoral artery and its branches
▪ Femoral vein and its proximal tributaries
(great saphenous and deep femoral
veins)

Question 20

Hamstrings

Answer 20

Biceps femoris
semitendinosus
semimembranosus

Question 21

Bicep femoris

Answer 21

O: long head ischial tuberosity and short head from the line aspera
I: Head of the fibula
innervation: Sciatic nerve

Question 22

Pectinus

Answer 22

O: Superior ramus of pubis
I: pectineal line inferior to lesser trochanter of femur
N: femoral nerve

Question 23

Gracilis

Answer 23

O: inferior ramus of pubis
I: medial surface of tibia
N: Obturator nerve

Question 24

Semitendinosus

Answer 24

O: ischial tuberosity
I: proximally medial surface of tibia
N: Sciatic nerve

Question 25

Semimembranosus

Answer 25

O: ischial tuberosity
I: posterior medial condyle of tibia