Whether you're a Hyrox addict, a Pilates princess or a running regular, maintaining a stable, functional core is key to perfecting performance. And even if your idea of a workout is wandering to your ...

2. Modified crunches Your back and core benefit from the modified crunch. This move hits the abs, but also the deeper core muscles, including the transverse abdominis and multifidus.

The humble crunch has dominated core training routines for decades, appearing in everything from military fitness tests to celebrity workout videos. This seemingly simple exercise promises a path ...

These seven bodyweight exercises target your entire core from different angles, without a single crunch. You’ll work your abs, obliques, lower back, and even your glutes and shoulders, all with just ...

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How to do a modified crunch 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.

People in their 50s should be able to do 15 to 25 crunches. People 60 and over should be able to do 10 to 20 crunches. "There’s no magic number you ‘should’ be able to do based on age, since ...

Modified crunches can work additional muscle groups. "Laying on your side as you do crunches will also target your oblique muscles," says Hess. Lifting your head and shoulders to one side or the other ...

Modified crunches can work additional muscle groups. "Laying on your side as you do crunches will also target your oblique muscles," says Hess.