(CNN) — If you’ve ever caught yourself slouching at your desk and immediately jerked your shoulders back and straightened your spine, you know the struggle. Within minutes, you’re slumped over again.

Credit: I’ve been practicing Pilates for the past decade and credit it with keeping me injury-free as I’ve trained for six ...

The sit-up has dominated workout routines for decades, but fitness professionals increasingly question whether this familiar movement deserves its place in modern training programs. The issue isn’t ...