The ab crunch. You can add weight if you want ... potential movement in the shoulders – it’s up to you which variation you choose. Research has shown that focusing on the muscle you’re ...

Plus, we’ve included five bicycle crunch variations in case you’re looking for an update on this classic move. In general, cyclists should be working their core, as a strong midsection ...

The ab crunch. You can add weight if you want ... potential movement in the shoulders – it’s up to you which variation you choose. Research has shown that focusing on the muscle you’re ...