The shape of an object influences our finger and wrist joint posture when we grasp it. This subsequently alters the grip force distribution of the hand during maximal power grip tasks.

When training the hands the type of wrist roller affects the maximal grip force that can be achieved.  The contour, size and surface area of the implement increases the user's torque and dictates which muscles are affected which contributes to the exerciser's ultimate physical capacity.

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Normal force and contact area can be explained by the interaction between handle size and hand size. Hand area can be estimated by hand length times width. Knowing different muscle coordination strategies are used depending on a wrist rollers shape, Rogers Athletics has developed elliptical, circular, cubical and double-frustum wrist rollers of different thicknesses for exercising specific regions of the fingers, hands, wrists and forearms.

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Having the ability to train the various types of anatomical grips i.e., precision, pinch, hook, ball, power, abduction and adduction with the appropriate tool maximizes hand strength. Filling your grip cart with an implement for each of the above said movements and educating each athlete how to utilize each roller insures that the trainee develops all the structures of the hand fully.

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Choose from a wide variety of wrist rollers to fill your grip cart. 

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The following are a few of the many types of wrist rollers available from Rogers to Get Strong.

power grip 

Large Ergonomic Power Grip

small power grip

Natural Power Grip

ball grip

Ball Grip

pinch grip

Rogers large Pinch Grip Wrist Roller