If you’re not focusing on your form to execute this motion, you might be cheating yourself of all the great benefits of this ... of engaging your core. Bicycle crunches work both the standard ...

The benefits of incorporating reverse crunches into your workout routine ... Alternate legs as you continue your bicycle motion ten times on each side. Make sure to go slow, squeezing your core ...

A fitness expert explains how to perform five of his top-recommended standing ab exercises for a slim waist in 30 days.

Bicycle crunches are a great exercise for building core strength in runners – and are harder than they look. The exercise is a variation of an ab crunch, where one leg flexes while the other ...