Stretching is a very important part of your exercise routine. Many fitness experts say that stretching after you exercise is actually (36) before exercise. However, many people do not bother stretching after their workout. They say they are too tired after their workout, (37) they just forget. Stretching has many benefits, though. For example, it helps you avoid painful cramps in your muscles. If you don’t stretch, you could have tight and sore muscles the next day. It helps to (38) your flexibility as well. Finally, it is also a good way to relax and wind down after (39) exercise. So be sure to (40) 10 minutes of stretching as part of the start and end of your exercise routine.