| 摘要 |
A unique resistance exercising device to be used in the water or on land that encapsulates and reinforces the joints of a body's extremities (i.e., arms and legs) to deliver a greater amount of load resistance to the larger muscles attached to the body core, in nearly full range motion. A device that allows the strengthening of the major body core muscles, to in full range motions without over stressing the extremities or the joints.
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