Mr. Edwards complains of cramps and difficulties with walking. The cramps occur in his calves consistently after walking about 100 yards. After a period of rest, he can start to walk again, but after 100 yards these same symptoms recur. Which of the following are the likely cause of his pain? a. Coldness and pallor of the legs.
b. Relief of the pain with bending at the waist.
c. Color changes of the skin.
d. Swelling with tenderness of the skin