The term 'RESULTS OF A WORKOUT' can be summarized as the physical and mental effects of exercise. ACHES, a five-letter solution to this crossword, is one of the most common results of a workout. ACHES can range from mild soreness to intense pain, depending on the intensity of the workout. They are caused by the body's response to the stress of exercise, which can include increased blood flow, muscle tension, and lactic acid buildup.