The lower extremities

Question 1

What are main components?

Answer 1

thigh, leg, and foot

Question 2

What is femur? (thighbone)

Answer 2

(a) Longest and one of the strongest bones in the body

(b) The femoral head is where the femur connects into the acetabulum (the pelvic girdle) by a ball-and-socket joint.

Question 3

knee

Answer 3

a) Connects the upper leg to the lower leg
(b) Hinge joint
(c) Kneecap (patella)

Question 4

lower leg

Answer 4

(a) Tibia: shinbone

(b) Fibula

Question 5

ankle

Answer 5

(a) Hinge joint

(b) Allows flexion and extension of the foot

Question 6

foot

Answer 6

a) Contains 7 tarsal bones
(b) 5 metatarsal bones form the substance of the foot
(c) 5 toes formed by 14 phalanges