The same can be said of long-standing resistance training exercises and bodyweight movements like pull-ups ... you slowly bicycle kick to perform an exercise known as bicycle crunches.

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

(That move is generally considered a "sit-up" rather than a crunch.) Oftentimes when crunches are done absentmindedly, your hip flexors take over and pull on ... That's one rep. Bicycle crunches ...

If you find your neck is straining during the bicycle crunch, make sure you’re not pulling your head up during the exercise — the rotation should come from your torso, not your from your elbows.

A lot of these exercises would be ab-focused, so I might do mountain climbers, crunches, sit-ups, and bicycle crunches ... Tight hip flexors pull against the lower spine, creating discomfort ...

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 extends.

Try a core workout that includes three different ab exercises, like crunches, bicycle ... up. I did crunches wrong too, before I studied physiology, personal training and Pilates. Most people pull ...