As well as your core and spine, you’ll be working your mid-spine and deep neck flexors as you hold the hollow hold. This can ...

CORE TRAINING IS far too often misunderstood. The default plan for lots of guys is to crank through situp reps—but that only trains one function of the core, trunk flexion, and it's easy to get sloppy ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." CORE TRAINING IS far too often misunderstood. The default plan for lots of guys is to crank through situp ...

Maintaining proper form during the hollow body hold is crucial for its effectiveness. Start by lying flat on your back with ...

"You're also working at a precise arm angle," says Samuel, "one that makes the straight-arm position of the skullcrusher a position of work." It gives your core a workout too, by virtue of the hollow ...

These holds require you to recruit and stabilize your entire core. Core stabilization carries into everyday activities, like maintaining posture and specialized activities such as sports. All the ...