Chris' Angels prove they'll do anything in the name of a good workout.
1. Shake Weight Classic (for Women), $20
The claim: Uses dynamic inertia to blast your arms, which can increase muscle activity to nearly 300 times that of a standard dumbbell.
The verdict: "I found the DVD entertaining, but felt rude practicing the routines with my baby daughter watching!" —Taylor2. Perfect Fitness Perfect Sit-Up, $60
The claim: The Perfect Sit-Up has two basic design principles: perfect body positioning and added intensity for more results in less time.
The verdict: "I kind of liked this product—particularly how it clicked to tell me how far to crunch. And the resistance really made me feel like I was working out!" —Cher3. Energetics Parachute, $55
The claim: A great tool for runners who are looking to improve both their strength and speed.
The verdict: "Unless you're Usain Bolt and running uphill, this product is a total waste of time!" —Joanne
Watch Joanne test-drive the Energetics Parachute!