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Specific product for working out the abdominal muscles and hip flexors. The exercise is performed from a sitting position, with the back and legs firmly positioned against the support pads. It involves flexing the trunk forward so that the shoulders are brought closer to the knees.
Resistance is provided by a weight stack. The N931 Ab Crunch is rated to a maximum user weight of 500 lbs / 227 kg and occupies a footprint of 44.2 x 53.1 x 60.4 in / 112.3 x 134.8 x 153.5 cm at 613.8 lbs / 279 kg. Full manufacturer specifications are listed below so you can confirm clearance, capacity, and power requirements before the unit ships.
| Specification | Detail |
|---|---|
| Manufacturer | SportsArt |
| Max User Weight | 500 lbs / 227 kg |
| Weight Stack | 264 lbs / 120 kg |
| Starting Weight | 13.2 lbs / 6 kg |
| Dimensions (L x W x H) | 44.2 x 53.1 x 60.4 in / 112.3 x 134.8 x 153.5 cm |
| Unit Weight | 613.8 lbs / 279 kg |
| Dimensions (LxWxH) | 44.2 x 53.1 x 60.4 in / 112.3 x 134.8 x 153.5 cm |
| Coverage | Term |
|---|---|
| Type | Full Commercial - no usage limit |
| Frame | 10 Years |
| Weights & Guide Rods | 5 Years |
| Cables, Belts, Bearings & Parts | 3 Years |
| Grips, Enclosures & Covers | 1 Year |
| Upholstery | 6 Months |
| Labor | 1 Year |
Warranty terms are SportsArt’s and apply in the U.S. and Canada. Coverage can depend on the installed setting — contact us if you need the terms confirmed in writing for your facility before ordering.

