The crunch is a classic staple exercise that many fitness enthusiasts rely on the abs, which are part of the core muscles, to achieve that tone and a flat stomach. But the benefits of sit-ups aren’t limited to just that. This exercise also helps focus on other parts of the body.

A bike crunch is a variation on traditional sit-ups. It requires you to move your body more, which will help you get enough exercise. In order for any exercise to show effective results, you need to correct the form and increase the number of repetitions over time. the risk of injury and targeting the wrong muscle groups.

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