ʟower ʟimb Practical 1 Gluteal Region and Hip Joint

Question 1

ɢluteus Maximus - Origin

Answer 1

Fascia covering gluteus medius
External surface of ilium behind posterior gluteal line
Dorsal surface of lower sacrum
ʟower lateral coccyx

Question 2

ɢluteus Maximus - ɪnsertion

Answer 2

Posterior aspect of iliotibial tract of Fasciae ʟata

ɢluteal Tuberosity of femur

Question 3

ɢluteus Maximus - ɪnnervation

Answer 3

ɪnferior ɢluteal ɴerve (ʟ5-S2)

Question 4

ɢluteus Maximus - Action

Answer 4

Extensor of hip
ʟateral rotator of hip
Abducts hip

Question 5

ɢluteus Medius - Origin

Answer 5

External surface of ilium between anterior and posterior gluteal lines

Question 6

ɢluteus Medius - ɪnsertion

Answer 6

Elongate facet on lateral surface of greater trochanter

Question 7

ɢluteus Medius - ɪnnervation

Answer 7

Superior ɢluteal ɴerve (ʟ4-S1)

Question 8

ɢluteus Medius - Action

Answer 8

Abducts femur
Prevents pelvic drop on opposite side of walking
Medially rotates thigh

Question 9

ɢluteus Minimus - Origin

Answer 9

External Surface of ilium between anterior and inferior gluteal lines

Question 10

ɢluteus Minimus - ɪnsertion

Answer 10

Linear facet on anterolateral surface of greater trochanter

Question 11

ɢluteus Minimus - Innervation

Answer 11

Superior Gluteal Nerve (L4-S1)

Question 12

ɢluteus Minimus - Action

Answer 12

Ȃbducts Femur
Medially Rotates femur
Prevents pelvic drop on opposite side of walking

Question 13

Piriformis - Origin

Answer 13

Anterior surface of sacrum

Question 14

Piriformis - Insertion

Answer 14

Medial side of superior border of greater trochanter

Question 15

Piriformis - Innervation

Answer 15

Nerve to Piriformis (S1-s2)

Question 16

Piriformis - Action

Answer 16

Externally roates thigh

Question 17

Contents that exits through greater sciatic foramen superior to piriformis

Answer 17

Superior gluteal vessels

Superior gluteal nerve

Question 18

Contents that exits through greater sciatic foramen inferior to piriformis

Answer 18

Inferior Gluteal Vessels
Inferior Gluteal Nerve
Internal pudendal vessels
Pudendal nerve
Posterior femoral cutaneous nerve
Sciatic nerve
Nerve to obturator internus
Nerve to quadratus femoris

Question 19

Contents that passes through lesser sciatic foramen

Answer 19

Tendon of obturator internus
Pudendal nerve - entering the perineum
Internal pudendal vessels - entering the perineum
Nerve to Obturator Internus (reentering)

Question 20

Obturator Internus - Origin

Answer 20

Anterolateral wall of pelvis

Deep surface of obturator membrane

Question 21

Obturator Internus - Insertion

Answer 21

Tendon into medial side of greater trochanter

Question 22

Obturator Internus - Innervation

Answer 22

Nerve to obturator internus (L5-S2)

Question 23

Obturator Internus - Action

Answer 23

Laterally rotates femur

Abducts flexed femur at hip

Question 24

Superior Gemellus - Origin

Answer 24

External Surface of ischial spine

Question 25

Superior Gemellus - Insertion

Answer 25

Superior surface of obturator internus tendon and onto medial side of greater trochanter

Question 26

Superior Gemellus - Innervation

Answer 26

Nerve to obturator internus (L5-S1)

Question 27

Superior Gemellus - Action

Answer 27

Lateral rotator of hip | Abducts flexed femur at hip

Question 28

Inferior Gemellus - Origin

Answer 28

Upper aspect of ischial tuberosity

Question 29

Inferior Gemellus - Insertion

Answer 29

Inferior surface of obturator internus tendon and into medial side of greater trochanter

Question 30

Inferior Gemellus - Innervation

Answer 30

Nerve to quadratus femoris (L5-S1)

Question 31

Inferior Gemellus - Action

Answer 31

Lateral rotator of hip | Abducts flexed femur at hip

Question 32

Quadratus Femoris - Origin

Answer 32

Lateral aspect of ischium anterior to ischial tuberosity

Question 33

Quadratus Femoris - Insertion

Answer 33

Quadrate tubercle on intertrochanteric crest of femur

Question 34

Quadratus Femoris - Innervation

Answer 34

Nerve to quadratus femoris (L4-S1)

Question 35

Quadratus Femoris - Action

Answer 35

Laterally rotates femur at hip

Question 36

Tensor Fasciae Latae - Origin

Answer 36

ɪliac Crest

Question 37

Tensor Fasciae Latae - ɪnsertion

Answer 37

ɪliotibial tract

Question 38

Tensor Fasciae Latae - ɪnnervation

Answer 38

Superior ɢluteal ɴerve (ʟ4-S1)

Question 39

Tensor Fasciae Latae - Action

Answer 39

ʜip Flexion Medial rotation of hip Abduction of hip ʟateral ʀotation of knee