The Power Twister is a workout tool for the upper body. It is small, portable and versatile. The bar measures 26 inches long, and has a coiled center and plastic grips on the ends. Bend the bar different ways to work a variety of muscles. You can perform a basic biceps curl or an advanced biceps curl with the Power Twister.
Function
The Power Twister bar allows you to perform various upper body exercises, with resistance, in the privacy of your home or elsewhere. Power Twister bar exercises work the chest, shoulders, biceps and triceps muscles.
Biceps
The biceps brachii is primarily responsible for flexing the elbow --- pulling the wrist towards the shoulder. The biceps assists the back muscles in many exercises, including rows and pull-ups. However, you can also isolate the biceps brachii with curling movements, such as those performed with the Power Twister.
Limitations
The biggest limitation of the Power Twister bar is the inability to add more resistance. The body will only improve if it is challenged beyond its comfort zone. As your muscles grow and strengthen, you must progressively overload them to keep getting results. One method of doing this is adding more resistance or weight to an exercise. This is not possible with the Power Twister. Once your biceps adapt to the stress of the basic curl, you can move to the advanced curl. But past that, there is no way to increase the difficulty of the exercise.
Basic Curl
Stand with your feet about hip-width apart, holding the Power Twister bar at chest level with your palms facing the ceiling. Keep your elbows close to your body; they should not move throughout the exercise. Begin pressing up on the Power Twister handles. The coil should flex downward. As you press the handles together, simultaneously pull your hands toward your shoulders in a curling motion. This will transfer the tension to your biceps muscles. At the end of the motion, your hands should be near your chest, with the Power Twister handles almost touching. Hold this position for two counts before slowly releasing. Repeat 10 to 15 times.
Advanced Curl
The advanced curl reduces the leverage you gain from having your arms close to your body. The movement is similar to the basic curl, but you start with your arms straight out in front of you. The Power Twister is at arm's length from your body with your palms facing the ceiling. From this position, begin pressing the handles up and together. The coil should flex downward toward the floor. As you press, curl the bar toward your shoulders as you did in the basic movement. The end position is the same for both exercises. It is more difficult to begin curling the bar with your arms straight out than it is with your arms at your sides. Repeat 10 to 15 times.
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