Lie down with legs straight. Lift your legs so that they're pointing upwards. Straighten and raise your arms so they're ...

The seated ab crunch provides a safer alternative for targeting the abs and low back and it can be conveniently performed at home, office or anywhere a chair, bench or other study surface is ...

Crunches get a bad rap, but they're still a solid core exercise. We spoke to a PT about how to do crunches correctly, including 11 other variations to try.

This exercise targets the entire abdominal wall — upper and lower abs, and external and internal obliques — through active twisting. The single-leg crunch-and-twist pattern also challenges ...

Crunches and situps can be great core exercises to tone the abs when performed correctly. Learn how to do a crunch the right way.

Lower ab exercises should be part of any workout routine. Discover the most effective options for sculpting and strengthening this area.

The scissor crunch is an abs exercise that builds a strong core and targets your hip flexors and quads without lifting weights. Here's how to do it, according to a personal trainer.

And the transverse abdominis is the deeper layer of the abdominal wall, which wraps around the waist.” Here’s how to work them all with trainer-recommended crunch variations.

The standing oblique crunch can lead to back pain instead of a stronger core, said a personal trainer — try safer alternatives.