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

If you’re unsure how to perform a crunch without straining your neck, try the modified version to work your core as you gain the confidence to tackle the full move. Performing a crunch ...

How many crunches can you do — and how does that stack up with others your age? That was the question posed by "FOX & Friends" on Monday, when fitness expert Joseph David challenged hosts Brian ...

Who takes home the crown when it comes to core work’s two main players: planks (the ultimate game of mental challenge) or crunches (an old school favourite)? “Both of these exercise target ...