| 摘要 |
One example embodiment includes a ball nest for providing resistance in an exercise system. The ball nest includes a first portion, where an interior section of the first portion forms at least part of a zone of a sphere. The ball nest also includes a second portion. An interior section of the second portion forms at least part of the zone of the sphere and the second portion is configured to mate with the first portion. The mating of the first portion and the second portion is configured to enclose a ball. The ball nest further includes an adjustable attachment, where the adjustable attachment is configured to adjust the position of the first portion relative to the second portion.
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