If you’re looking to tone your core, the bicycle crunch is a good addition to your workout. It has the benefits of the standard crunch, but it engages additional core muscles — working your internal ...

A study at San Diego State University measured the amount of muscle activation occurring with each of 13 common abdominal exercises and ranked the bicycle crunch as a top pick. Muscles targeted ...

This routine will rock you to your core. The director of an online boxing equipment retailer is sharing five exercises he claims will target belly fat and sculpt abs — planks with shoulder taps; dead ...

The two exercises may look similar, but the challenge will feel completely different.

The standing oblique crunch is a popular ab exercise that can injure you if done incorrectly. A personal trainer said she stopped doing the exercise in favor of alternatives that avoid back pain.