| 摘要 |
The present invention is for an exercise device for strengthening the muscles of the lower back and a method for using the same. The device has hand rails provided which allow the user to vary the relative involvement of muscles of the lower back. The device has a protrusion with a ridge which supports the pelvic area of the user. Preferably the contour of the ridge is adjustable to ensure the comfort of the user. The device preferably has an ankle retaining means which is adjustable and into which the user's ankles can be slidably engaged with a pivotable motion of the body. This simplifies the positioning of the user on the device.
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