The Gyroscopic Dumbbell

How can something this little actually increase hand strength andĀ strengthen your wrists, biceps, and triceps? While holding the tennis ball sized Gyroscopic Dumbbell, it spins up to 13,000 rpm when rotating your wrist. Great for tennis, for baseball, and perfect for taking with you anywhere! It provides 38 pounds of resistance to strengthen up your muscles. What a great product to use to rehabilitate carpal tunnel or help with tennis elbow injuries. A docking station automatically initiates the spinning motion and a tachometer measures and displays the current RPM, number of revolutions, and highest RPM achieved. All this in one little tennis ball sized device. Astronauts actually use this to maintain upper body conditioning while in space. Try it out, you can’t go wrong when it comes to increasing strength.