The R'Line abdominal crunch equipment is soft and comfortable for those who want an enjoyable workout. Rather than using iron-based stacks of weights, it has air compression loading so there's no residual inertia with any movements. Push buttons are located at hand and feet level so the load can be adjusted while exercising, and the machine is soft and quiet while in use, with accurate, easy adjustments. A pneumatic jack directly drives the load, and the machine has a welded frame that's 3mm thick. The machine's seat and pins for adjusting the range of motion are chromed, and a compressor is needed. Its dimensions measure 1.45 x 0.80 x 1.20m.
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