We often think of swimming as a recreational activity this time of year, but if you are looking for something to shake up your normal exercise routine, look no further than the nearest pool. Pool workouts are excellent for young athletes, older adults, those with arthritis, pregnant women or anyone who has had a recent injury that makes weight-bearing exercise difficult or uncomfortable. The occasional pool workout is also a great break from your normal routine, and can help your body to recover from a hard workout the day before while still getting some cardiovascular training in. With some …