lower limb bones

Question 1

introduction to hip bone
articulation side determination

Answer 1

articulation – head of femur
pub8s of another hip bone , sacrum
side determination— acetabulum directed laterally
obturator foramen lies below the acetabulum

Question 2

ileum external features

Answer 2

2 ends 3 borders 3 surfaces

Question 3

ends of ileum

Answer 3

upper ends – iliac crest
*ant end of iliac crest called as anterior superior iliac spine
post end called post superior iliac spine
it may be divided into 2 parts
a)ventral seg -2/3rd of iliac crest it has outerlip, innerlip.. outerlip is 5cm behind ASIS
b)dorsal seg - post 1/3rd

lower end – fused with pubis

Question 4

borders of ileum

Answer 4

a) ant border – from ASIS to acetabulum having AIIS
b)post border – from PSIS to post border of ischium having PIIS and sciatic notch
c) medial border – iliac crest to iliopubic eminence ..in inner part separate iliac fossa and sacropelvic surface

Question 5

surfaces of ileum

Answer 5

a) gluteal surface – post ant inferior gluteal line
b) iliac fossa – smooth large concave area ,forms the wall of greater pelvis
c)sacropelvic surface – subdivisions of iliac tuberosity. auricular surface ,pelvic surface

Question 6

ischium external features

Answer 6

2 ends ,3 borders 3 surfaces

Question 7

ends of ischium

Answer 7

upper end – 2/5of acetabulum
lower end –forms ischial tuberosity

Question 8

borders of ischium

Answer 8

a) ant border - forms posterior margin of obturator foramen
b) post border - shows projection of ischial spine
c) lateral border – forms lateral margin of ischial tuberosity