Joints of the Pelvis and Hip

Question 1

Difference b/w male and Females Pelvis

Answer 1

Males=deeper, narrower, heavier and thicker
Females= Shorter, wider, lighter and thinner

Question 2

Joints of the Pelvis

Answer 2

Sacroiliac Joint
Pubic symphysis

Question 3

Classification of Sacroiliac Joint

Answer 3

Part plane synovial
b/w articular surfaces
Part syndesmosis (fibrous Joint)
b/w tuberosities

Question 4

Movement of Sacroiliac Joint

Answer 4

Nutation
Counternutation

Question 5

Nutation

Answer 5

Sacral Base- tilts anterior and inferior
Apex of sacrum- tilts posterior and superior

Question 6

Counternutation

Answer 6

Sacral Base- tilts posterior & superior
Apex of sacrum tilts anterior & inferior

Question 7

Pubic Symphysis

Answer 7

b/w symphyseal surfaces of bodies of 2 pubic bones

Question 8

Classification of Pubic Symphysis

Answer 8

secondary cartilaginous joint
contains fibrocartilaginous disc (thicker in women)

Question 9

Pubic Symphysis Ligaments

Answer 9

superior pubic lig
inferiro pubic lig
tendons of the abdominal muscles strengthen the joint anteriorly

Question 10

Interosseous Sacroiliac Ligaments syndesmosis (fibrous)

Answer 10

10cm^2 of dense regular connective tissue b/w tuberosities of sacrum and ilium

Question 11

Anterior Sacroiliac Ligament

Answer 11

thin and weak

Question 12

Posterior Sacroiliac Ligament

Answer 12

thick and strong
Angled draws ilium inwards towards the sacrum as weight pushes down on it.
results in stabilisation of SIJ joint

Question 13

Sacro tuberous Lig

Answer 13

posterior ilium, sacrum & coccyx to ischial tuberosity

Question 14

Sacrospinous lig

Answer 14

lateral sacrum & coccyx