Appendicular Skeleton : Lower Limb MCQ - Practice Questions with Answers

• The pelvis or pelvic girdle is formed by two innominate bones (hip bones). 
• The sacrum and coccyx also take part in the formation of the pelvis. 
• Each innominate bone consists of three separate bones, the ilium, ischium and pubis.
• On its outer surface, it has a deep depression called the acetabulum to which the head of the femur is articulated forming the hip joint.
• The pubic symphysis is made up of white fibrous cartilage.
  

• Each leg consists of 30 bones: 

1. THIGH - 1 
2. SHANK OR CALF - 2
3. KNEECAP - 1
4. FOOT - 26

• TARSALS - 7
• METATARSALS - 5 
• PHALANGES - 14

         Phalangeal formula: 2, 3, 3, 3, 3

       1. THIGH

• The femur is the longest and strongest bone of the body.
• Head of the femur articulates into acetabu­lum of the pelvic girdle.
• Patella (knee cap) is flat, sesamoid bone, formed by ossification in the tendon of quadriceps femoris muscle.

       2. SHANK/SHIN/CALF

• Bones of Shank region are Tibia and Fibula
• Tibia is longer, thicker and lies more medially and front. 
• The fibula is shorter, thinner and located more laterally and deeply. 

       3. FOOT

• It consists of 7 tarsals, 5 Metatarsals and 14 phalanges
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