The Pro•Dual Ab and Back Machine features a unique rotation position that provides correct, crunch-style movement for maximum abdominal contraction. Offers a 2:1 ratio for double the resistance of the weight stack up to 600 lbs. With gracefully curved frames constructed from sleek, powdercoated tubing that exhibits a modern, design-forward aesthetic, the Pro•Dual Ab and Back Machine builds form into function and value into a superior modular strength training system. Best of all, you can buy with confi dence, because the Pro•Dual Ab Crunch Back Extension is built to last a lifetime and is backed by the strongest warranty in the industry! Dimensions: 62″H x 43″L x 51″W


If you can imagine it, you can build it with the Body-Solid Commercial Dual modular fitness system! The Ab Crunch Back Extension features innovative design, proven biomechanics and advanced structural engineering.

  • Continuous welded, factory assembled weight frame
  • Fiberglass reinforced nylon pulleys
  • 11 gauge 2.375” x 4.625” oval tubing
  • Electrostatically applied powder coated
  • 5.5mm dia., 2500lb rated aircraft cable
  • Durafirm upholstery over 2” high density foam
  • 3 gauge steel connecting plates
  • .50 dia. connecting bolts
  • High density foam rubber hand grips and handles
  • Industrially rated, sealed bearings at all pivot points
  • Adjustable seat and leg hold downs
  • Dimensions: 51″W x 43″L x 62″H (130cm x 109cm x 158cm)

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