Standard bicycle crunches, as with regular crunches, are not effective for building muscle, even when done correctly. - They put unnecessary stress on your spine and neck - They are easy to get wrong - They don’t provide a good range of motion - Are hard to apply progressive overload to - They don’t provide sufficient resistance for hypertrophy You’re better off using exercises that provide a wider range of motion without putting stress on your back, are easy to overload progressively, and provi