Off-court workouts should be an integral part of a player's training regimen. These five pieces of equipment make excellent additions to any fitness program.

1. Rallystar Tennis Table - $1,195–$1,595
Maybe this isn’t technically crosstraining equipment, but the Rallystar is a fun way to sharpen your refl exes. It’s longer and narrower than a traditional ping-pong table, making it a scale version of a regulation tennis court. The acrylic table top comes in traditional green, sapphire blue, or clear.
www.rallystartennis.com

2. Trek SU200 -$ 490
A solid all-purpose bicycle, the 24-speed SU200 has an assortment of features that makes it great for getting around all environments, from rough terrain to city streets.
www.trekbikes.com

3. The Ultimate Burn Machine - $299
Twenty-one exercises are combined into this sleek yet functional piece of fi tness equipment. The Ultimate Burn Machine has a sliding counterweight on the center bar that can be positioned in different locations (right, left, center) to allow you to train asymmetrically. That changes your center of gravity, which gives you a greater burn with fewer repetitions.
www.theburnmachine.com

4. Nike+iPod Sport Kit -$29
What do you get when you combine an iPod, a sensor, and a specially made shoe? An easy way to track your distance, time, pace, and calories during a run. Slip the sensor into a pocket under the sockliner of a Nike+ shoe and plug the receiver into an iPod Nano. After your workout, a performance summary appears on the Nano’s screen, and you can listen to it through your headphones. You can also sync your data to your computer to chart your progress.
www.nike.com

5. Bowflex SelectTech 552 Dumbbells - $399
With a turn of a dial you can change the resistance level of these dumbbells from 5 to 52.5 pounds. There are 2.5-pound increments up to 25 pounds and 5-pound increments from 25 to 50 pounds, so you’re essentially getting 15 sets of weights in a space-saving pair.
www.bowflexselecttech.com