Gluteal Region, Posterior Thigh, Popliteal Region, Hip Joint

Question 1

Gluteal Ligaments

Answer 1

Sacrotuberous ligament
Sacrospinous ligament
Greater Sciatic foramen
Lesser Sciatic foramen

Question 2

Sacrotuberous ligament

Answer 2

stabilize SI joint

Question 3

Gluteus Maximus

Answer 3

Attachments: Ilium, dorsal surface of sacrum & coccyx, sacrotuberous ligament; iliotibial tract & gluteal tuberosity

Innervation: inferior gluteal nerve (L5, S1, S2)

Actions: Extensor of thigh; leteral rotator of thigh

Question 4

Gluteal Bursae

Answer 4

trochanteric
ischial
gluteofemoral

Question 5

Gluteus Medius

Answer 5

Attachments: Ilium; lateral surface of greater trochanter

Innervation: superior gluteal nerve (L5, S1)

Actions: abduct and medially rotate thigh; stabilize pelvis mid-stance phase of gait

Question 6

Gluteal Minimus

Answer 6

Attachments: Ilium; anterior surface of greater trochanter

Innervation: superior gluteal nerve (L5, S1)

Actions: abduct and medially rotate thigh; stabilize pelvis mid-stance phase of gait

Question 7

Tensor Fascia Lata

Answer 7

Attachments: ASIS, anterior portion of the iliac crest; iliotibial tract

Innervation: superior gluteal nerve

Action: Flex, abduct and internally rotate hip

Question 8

Gluteal Muscles

Answer 8

Gluteus maximus
Gluteus medius
Gluteus minimus
Tensor fascia lata

Question 9

Iliotibial tract

Answer 9

thickening of fascia lata

Question 10

Trendelemb

Answer 10

hip abductor weakness leads to leaning body towards weak side when walk to compensate for weakness

Question 11

Piriformis

Answer 11

Attachments: Anterior surface of sacrum and sacrotuberous ligament; superior border of greater trochanter

Innervation: S1 & S2

Actions: Laterally rotate extended thigh; abduct flexed thigh

Question 12

Quadratus Femoris

Answer 12

Attachments: Lateral border of ischial tuberosity; quadrate tubercle of femur

Innervation: nerve to quadratus femoris

Action: laterally rotate thigh

Question 13

Deep Gluteal Muscles

Answer 13

Piriformis
Quadratus Femoris
Obturator Muscles

Question 14

Obturator Muscles

Answer 14

Obturator Internus
Superior Gemellus
Inferior Gemellus

Question 15

Obturator Internus

Answer 15

Attachment: Trochanteric fossa; pelvic surface of obturator membrane

Innervation: Nerve to obturator internus(S1)

Action: Lateral rotation of thigh

Question 16

Superior Gemellus

Answer 16

Attachment: Trochanteric fossa; ischial spin

Innervation: Nerve to obturator internus

Action: Lateral rotation of thigh

Question 17

Inferior Gemellus

Answer 17

Attachment: Trochanteric fossa; ischial tuberosity

Innervation: Nerve to quadratus femoris

Action: Lateral rotation of thigh

Question 18

Piriformis Syndrome

Answer 18

sciatic nerve goes thru piriformis and is pinched cutting off signals.

Question 19

Gluteal Nerves

Answer 19

Clunial
Perforating cutaneous
Sciatic
Posterior cutaneous of thigh
Superior gluteal
Inferior gluteal
Nerve to quadratus femoris
Pudenal
Nerve to obturator internus

Question 20

Gluteal Vessels

Answer 20

Superior Gluteal Artery
Internal Pudendal Artery
Inferior Gluteal Artery

Question 21

Hamstrings (Posterior Thigh Muscles)

Answer 21

Semitendinosus
Semimembranosus
Biceps Femoris

Question 22

Semitendinosus

Answer 22

Attachments: ischial tuberosity; medial surface of superior part of tibia

Innervation: Tibial division of sciatic nerve

Actions: extend thigh; flex leg and medially rotate flexed leg

Question 23

Semimembranosus

Answer 23

Attachments: ischial tuberosity; medial condyle of tibia, oblique popliteal ligament

Innervation: Tibial division of sciatic nerve

Actions: extend thigh; flex leg and medially rotate flexed leg

Question 24

Biceps Femoris (Long Head)

Answer 24

Attachments: ischial tuberosity; Lateral surface of head of fibula

Innervation: Tibial division of sciatic nerve

Actions: extend thigh; flex leg and laterally rotate flexed leg

Question 25

Biceps Femoris (Short Head)

Answer 25

Attachments: linea apsera & lateral supracondylar line of femur; lateral side of head of fibula Innervation: Fibular division of sciatic nerve Actions: extend thigh; flex leg and laterally rotate flexed leg

Question 26

Boundaries of popliteal fossa

Answer 26

biceps femoris semimembranosus heads of gastrocnemius skin & fascia popliteal surface of femur, oblique popliteal ligament, popliteal fascia

Question 27

Nerves in popliteal fossa

Answer 27

Tibial Common fibular sural posterior cutaneous nerve of thigh

Question 28

Blood vessels of popliteal fossa

Answer 28

popliteal artery popliteal vein continuation of femoral artery and vein

Question 29

Cruciate Anastamosis

Answer 29

Inferior Gluteal Artery (internal iliac) Lateral Femoral Circumflex artery Medial Femoral Circumflex artery (deep femoral forming transverse connection) 1st perforating branch of deep femoral artery (Crossing of internal iliac artery and lateral iliac artery)

Question 30

Blood supply of femoral head

Answer 30

mainly comes from medial circumflex femoral artery

Question 31

Ligaments of Hip Joint

Answer 31

Pubofemoral Iliofemoral Ischiofemoral Ligament of the head of the femur

Question 32

Bones of Hip Joint

Answer 32

Acetabulum of Pelvis (acetabular notch) Head of the femur

Question 33

Muscles of Hip Joint

Answer 33

Rectus femoris Obturator externus Acetabular Labrum??