Exercise devices – Support for entire body of user – Including hold down for foot or ankle
Patent
1990-12-10
1992-04-21
Apley, Richard J.
Exercise devices
Support for entire body of user
Including hold down for foot or ankle
602 32, 482141, 482 41, A63B 2100, A61F 500
Patent
active
051060833
ABSTRACT:
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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Universal.RTM. Back Extensor, p. 14.
Marcy's Back Extension Station.
Orthopod.RTM..
Apley Richard J.
Dvorak Linda C. M.
Weins Michael J.
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