Dorsal regions

Question 1

suboccipital triangle border and content?

Answer 1

sup: oblique capitis inf
lat: oblique capitis inf
med: rectus capitis major
floor: posterior atlanto-occipital membrane

content:
- vertebral a.
- suboccipital n.
- greater occipital n.

Question 2

name the areas that represent weak points of lumbar wall?

Answer 2

• superior lumbar triangle of grynfeltt and lesshaft

- inf lumbar tirangle of petit

Question 3

border and content of superior lumbar triangle of grynfeltt and lesshaft

Answer 3

sup: serratus post inf
med: iliocostalis lumborum
lat: internal oblique
floor: transversus abdominus

content:

• subcostal n. a. v.
• iliohypogastric n.

Question 4

border and content of triangle of petit?

Answer 4

inf: iliac crest
med: lastimus dorsi
lat: external oblique
floor: internal obligue

Question 5

border and content of suprascapular notch?

Answer 5

sup: superior transverse scapular lig

content:

• suprascapular n. ( below the ligament)
• suprascapular a,v ( above the lig) ( branch of tyrocervical trunk)

Question 6

border and content of radial canal?

Answer 6

floor : radial groove

med: medial brachial groove
lat: lateral brachial

content:
- deep brachial a.
- radial n.