That's why I teach weighted dead bugs to all of my personal training clients in their 40's. This exercise strengthens key muscles in your deep core responsible for protecting your pelvis and spine, ...

Here's the exercise everyone in their 40s should be doing, according to our resident personal trainer ...

The dead bug exercise doesn’t look intense at first. You’re lying on your back, moving your arms and legs in slow motion—nothing flashy about it. But after a ...