Bones and Joints Lower limb

Question 1

Which part of the acetabulum is covered by cartilage?

Answer 1

• Lunate Surface

Question 2

What type of joint is the sacroiliac joint?

Answer 2

• Plane synovial joint (gliding)

Question 3

Name the type of cartilage covering the articular surfaces of the sacroiliac joint.

Answer 3

• Fibrocartilage ( stability and shock absorbing)

Question 4

Name the item running in the ligament of the head of femur.

Answer 4

• acetabular branch of obturator artery

Question 5

Where is the ligament of head of femur inserted?

Answer 5

• Fovea of head of femur AKA Fovea capitis

Question 6

Name the ligaments forming the greater sciatic foramen.

Answer 6

1.Sacrospinous ligament
2.Sacrotuberous ligament

Question 6

Name the ligaments forming the lesser sciatic foramen.

Answer 6

1.Sacrospinous ligament
2.Sacrotuberous ligament

Question 7

What type of joint is the knee joint?

Answer 7

• Hinge type synovial joint

( hinge and pivot joint → trochoginglymus (functional))

Question 8

What is the shape of the medial meniscus of the knee joint?

Answer 8

C-shaped meniscus or Crescent shaped
( attaches to medial collateral ligament so It’s less movable than
lateral meniscus)

Question 9

What is the shape of the lateral meniscus of the knee joint?

Answer 9

O-shaped meniscus

Question 10

Name the medial ligament of the talocrural joint.

Answer 10

• Deltoid ligament (answer)

( composed of these ligaments)
1.Anterior tibiotalar ligament
2.Posterior tibiotalar ligament
3.Tibionavicular ligament
4.Tibiocalcaneal ligament

Question 11

Name the parts of lateral ligament of the talocrural joint.

Answer 11

1.Anterior talofibular ligament
2.Posterior talofibular ligament
3.Calcaneofibular ligament

Question 12

What is the anatomical name of the Chopart’s surgical line?

Answer 12

• Transverse tarsal joint

Question 13

What is the anatomical name of the Lisfranc’s surgical line?

Answer 13

• Tarsometatarsal joint