Some helpful things I've found:
If you usually work out in a gym, look for hotels with a fitness room. It's usually small but better than nothing.
|Courtyard by Marriott, San Diego, California|
I always look for a hotel with a pool that is open. Swimming and water aerobics are a great way to unwind at the end of a long day on planes or in the car. Of course, this means planning to get there, or stop, early enough to use the pool. And don't forget your swimsuit!
|Comfort Suites, Cary, North Carolina|
Walk. Walk around the block at a gas stop. Walk in the airport instead of using a motorized cart. Pull your luggage or carry it. But don't overload so you hurt yourself. Using a cart saves your back and that's worth it.
Sightseeing. Tours usually involve a certain amount of walking, maybe even some hiking or climbing. If you're on a cruise ship, the tours provide a good way to get off and do some real walking, hiking, or other exercise. I even went tubing in Jamaica! It's a nice gentle river--not wild like the western United States river rafting trips--a great beginner trip. Cruises also have pools and fitness equipment, even classes if you're willing to get up early.
|Photo from: http://insidejamaica.weebly.com/ocho-rios.html|
Take a bike tour if you like to ride.
Drink plenty of water. You'll need plenty of bathroom stops, but you'll feel better.
Take your own pillow if you are driving. Sleeping on unfamiliar pillows can be uncomfortable. It's nice to have one in the car while you are a passenger, too.
Take the stairs instead of elevators or escalators, when it's possible. Stop and do a good heel stretch whenever you find yourself on stairs or an escalator.
Last--but not least--watch what you eat. Don't use travel as an excuse to overeat or eat really rich or fattening foods. Getting sick or uncomfortable is not worth what it costs in terms of sightseeing or feeling good and enjoying your travel adventure.