| 摘要 |
An exercise apparatus for use in combination with a bed having an end frame, consisting of side by side paddle boards, positioned to horizontally extend from the end frame of the bed, a coil spring interconnects each board with a platen, and adjustable means including a screw-nut assembly and guide rods for horizontally positioning the platen and paddle boards relative to the end frame to accommodate the specific patient and his position in the bed.
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