How to do it: Lie face up. Hold dumbbell in right hand over shoulder, arm straight. Extend left arm overhead, biceps by ear. Lift head, neck, shoulders, and legs a few inches off floor. Use legs to ...

I’m the first to admit, I’m somewhat of an AI denier. Despite reviewing fitness tech for a living, I’ve been dragging my heels when it comes to letting artificial intelligence regurgitate the highs ...