Warming up before an exercise can help stretch your muscles to avoid injury. It can also help prepare your body for the exercises you do in your workout. Cooling down after an exercise can help avoid soreness the next day. It also allows your heartrate and blood pressure to return to what it was before the workout.
If it is a true/false question. Answer would be true. Some people never show symptoms, others show them within 7 days and for others it shows in about 30 days.
