<prompt> Intermittent claudication is defined asPain in muscle at rest onlyPain in muscle on first stepPain in muscle on exercise onlyPain in muscle on last step  <response>: Intermittent claudication occurs as a result of anaerobic muscle metabolism and is classically described as debilitating cramp-like pain felt in the muscles that is: reliably brought on by walking; not present on taking the first step unlike osteoahritis; reliably relieved by rest both in the standing and sitting positions; usually within 5 minutes So the best answer is c. Reference: Bailey and love, 27th edition, page number:943 