Anatomy of the Hip and Pelvis

Question 1

Adductor brevis?

Answer 1

Body of pubis/inferior pubic ramus

Pectineal line of femur/proximal 1/3 medial lip Linea aspera

Adducts thigh at hip joint

Question 2

Adductor Longus?

Answer 2

Anterior body of pubis

Middle 1/3 linea aspera

Adducts thigh at hip

Question 3

Biceps femoris?

Answer 3

long head=ischial tuberosity
short head= linea aspera/lateral supracondylar line

head of fibula

extends thigh at hip joint

Question 4

gemellus inferior?

Answer 4

ischial tuberosity

medial aspect greater trochanter of femur

lateral rotation/ transverse abduction

Question 5

gemellus superior?

Answer 5

ischial spine

medial aspect greater trochanter of femur

lateral rotation/ transverse abduction

Question 6

gluteus maximus?

Answer 6

ilium posterior to posterior gluteal line/ posterior sacrum&coccyx aspect/ sacrotuberous ligament

tubercle of iliotibial tract of tibia/gluteal tuberosity of femur

extension/lateral rotation/abduction

Question 7

gluteus medius?

Answer 7

ilium between anterior/posterior gluteal lines

lateral aspect greater trochanter

medial rotation/abduction

Question 8

gluteus minimus?

Answer 8

ilium (between anterior/inferior gluteal lines)

anterolateral aspect of greater trochanter

medial rotation/ abduction

Question 9

gracilis?

Answer 9

body of pubis/inferior pubic ramus

medial proximal tibia

assists adduction

Question 10

iliacus?

Answer 10

iliac crest/superior 2/3 iliac fossa/ ala of sacrum/ anterior sacroiliac ligaments

lesser trochanter femur via tendon of psoas major

flexes hip/ flexes trunk

Question 11

obturator externus?

Answer 11

external surface obturator membrane

trochanteric fossa of femur

lateral rotation

Question 12

obturator internus?

Answer 12

internal surface obturator membrane

medial aspect of greater trochanter

lateral rotation/transverse abduction

Question 13

pectineus?

Answer 13

superior pubic ramus

pectineal line of femur

adduction/flexion

Question 14

piriformis?

Answer 14

pelvic surface of sacrum/ sacrotuberous ligament

superior border of greater trochanter

lateral rotation/transverse abduction

Question 15

psoas major?

Answer 15

transverse processes l1-l5/ vertebral bodies t12-l5

lesser trochanter

flexion of hip/trunk

Question 16

quadratus femoris?

Answer 16

lateral margin of ischial tuberosity

quadrate tubercle of femur

lateral rotation

Question 17

rectus femoris?

Answer 17

anterior inferior iliac spine/ supraacetabular groove of ilium

tibial tuberosity via common quad tendon

flexion

Question 18

sartorius?

Answer 18

anterior superior iliac spine

medial aspect proximal tibia

flexion/ abduction/ lateral rotation

Question 19

semimembranosus?

Answer 19

ischial tuberosity (with long head BF)

medial condyle of tibia

extension

Question 20

semitendinosus?

Answer 20

ischial tuberosity

medial aspect proximal tibia

extension

Question 21

tensor fascia latae?

Answer 21

anterior super iliac spine/ anterior 1/3 outer lip iliac crest

tubercle of iliotibial tract of tibia

medial rotation, abduction, flexion

Question 22

ilio-femoral joint?

Answer 22

ball and socket

head of femur + acetabulum of pelvis

F/Ex/Ab/Add/MR/LR

ligament of head of femur (intracapsular)
Iliofemoral ligament (Extracapsular)
Pubofemoral (Extracapsular)
Ischiofemoral (Extracapsular)

Question 23

pubic syphysis?

Answer 23

cartilaginous joint

left pubis + right pubis

connects ligament of penis in males/opens during birth in women (above clitoris)

Question 24

SI joints?

Answer 24

sacrum + ilium

limited motion but strong ligaments protect L5-S1

control/distribute forces from body to legs
shock absorber to spine
allow walking, spinal and thigh movements
widen during childbirth