The Sit-up Trainer gives your entire core muscle group a work out. There are two distinct positions on the Sit-up Trainer, one with the feet down and the other with the feet up, held under the support bar.
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The Sit-up Trainer gives your entire core muscle group a work out. There are two distinct positions on the Sit-up Trainer, one with the feet down and the other with the feet up, held under the support bar.
The Sit-up Trainer gives your entire core muscle group a work out. There are two distinct positions on the Sit-up Trainer, one with the feet down and the other with the feet up, held under the support bar.