In the car: Take frequent breaks at rest stops to get out and stretch your back and legs. Bring some soothing, anti-road-rage tunes along for those times you're stuck in heavy traffic. Get plenty of rest before you hit the road so you can remain alert and resist the urge for a caffeine fix. Stock up on good-for-you goodies so that you can motor past those high-cost, high-fat fast-food joints that tempt you on the trip.

The No-Equipment, Do-Anywhere Workout

Do 1 to 3 sets of each exercise, 8 to 15 repetitions per set.

Push-ups: Keeping your body straight, balance yourself on your palms and the tops of your thighs, just above your knees. Bend your elbows to lower your body toward the floor until your upper arms are parallel with the floor and then push yourself back up. If those are too challenging, you can also do push-ups off the wall or dresser or the edge of a sturdy chair.

Squats: Stand with your feet hip-width apart with your hands on your hips. Bend your knees as if you are sitting down in an imaginary chair that's directly behind you. Stand back up without over-straightening your knees.

Lunges: Straddle your legs a stride's distance apart. Slowly bend your knees until you are in a kneeling position with your knees not quite touching the floor. Don't look down, and don't allow your knees to shoot out past your toes. Return to standing.