Test 05.44 Gluteal Region Flashcards
- What week do the upper limbs develop? What level are they?
4th week
C5-T1 level
- When do the lower limbs develop? What level?
5th week
L2-S2
- When do the upper/lower limbs rotate? What direction?
7th week
Upper laterally
Lower medially
- What is the difference between the pelvic girdle and the bony pelvis?
The pelvic girdle is the 2 hip bones together, whereas the bony pelvis includes the pelvic girdle, sacrum, and coccyx bound together by ligaments.
- What does the ala(wing) of the Illium provide attachment for? Which side?
Laterally: gluteal muscles
Medial: iliacus muscle
- From where to where does the iliac crest run?
Superiorly up to L4 level (disc b/n 4th/5th L) ->
Extends from ASIS to PSIS
- Draw the iliacus labeling the following:
- Body
- Iliac fossa (concavity in the ala)
- Superior 2/5 of acetabulum
- Iliac crest :
- Anterior inferior iliac spine
- Posterior inferior iliac spine
- Greater sciatic notch
- Auricular surface
- Gluteal lines
Anterior
Posterior
Inferior
- Draw the Ischium with the following parts labeled:
- Body
Ischial tuberosity Ischial spine Lesser sciatic notch Greater sciatic notch
- Ramus
- Draw the pubis and label the following parts:
- Body
Symphysis pubis Pubic crest Pubic tubercle
2. Superior ramus Pectin line (pectin pubis)
- Inferior ramus
obturator crestobturator foramen acetabulum
- What does the PSIS serve as an attachment point for?
The posterior sacroiliac ligament
- What does the auricular surface articulates with?
Sacrum
- What 3 things form the sciatic foramen?
Greater sciatic noth
Sacrospinous ligament
Sacrotuberous ligament
- Name the structures that pass through the greater sciatic foramen
a. Piriformis muscle
b. Superior and inferior gluteal vessels and nerves
c. Internal pudendal vessels and pudendal nerve
d. Sciatic nerve
e. Posterior femoral cutaneous nerve
f. Nerve to quadratus femoris and inferior gemellus
g. Nerve to obturator internus and superior gemellus
- What structures pass through the lesser sciatic foramen?
Tendon of obturator internus
Internal pudendal vessels and pudendal nerve
Nerve to obturator internus
- What makes up the superficial layer of gluteal muscles? What is their action?
Gluteus maximus
Gluteus medius
Gluteus minimus
Mostly extensors and abductors of thigh