Abdominal Exercise Device

Abstract

An abdominal exercise device and a method of operation allow for isolation of particular muscle groups. The exercise device has a main housing with an interior and exterior, a spherical ball is encapsulated within the interior of the main housing and grips are attached to the exterior of the main housing. The grips are configured to allow usage of the user's lower and upper extremities individually or concurrently.

1 . An exercise device, comprising:
 a generally spherical shaped ball partially surrounded by a casing;   said casing having an interior surface and an exterior surface; and   said exterior surface has one or more handles attached thereto.   
     
     
         2 . The exercise device of  claim 1 , wherein the casing is generally hemispherical in shape. 
     
     
         3 . The exercise device of  claim 1 , wherein the handles are removable. 
     
     
         4 . The exercise device of  claim 1 , wherein the handles are hand grips. 
     
     
         5 . The exercise device of  claim 1 , wherein the handles are foot rests. 
     
     
         6 . The exercise device of  claim 1 , wherein the casing further comprises:
 one or more bearings in contact with the spherical ball and interior surface of the casing.   
     
     
         7 . An abdominal exercise device, comprising:
 a rigid generally spherical shaped roller;   a generally domed shaped housing moderately surrounding said roller;   and protrusions extending away from said housing.   
     
     
         8 . The abdominal exercise device of  claim 7 , wherein said roller is a metal alloy. 
     
     
         9 . The abdominal exercise device of  claim 7 , wherein said roller is plastic. 
     
     
         10 . The abdominal exercise device of  claim 7 , wherein said protrusions are handlebars. 
     
     
         11 . The abdominal exercise device of  claim 7 , wherein said spherical shaped roller is removable and interchangeable.