Frame Assisted, Roll Motion Sit up Trainer. Foam Padded Handle Grips and Cushioned Head Rest. Lightweight, Portable and Simple Installation. Isolates Core and Abdominal Muscles. Maximum user weight 100kg. The ab cruncher, also known as the sit up cruncher is designed to isolate, strengthen and tone the abdomen, helping to strip away belly fat for a tighter stomach. To assist effective technique while building core and lower back strength to progress towards unaided, perfect crunch form.Designed to reduc... - Manufacturers part number: 37863741
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