You’ve seen it in every fitness class, sports movie, and gym session. People touching their toes, pulling their arms across their chests, and lunging side to side before their workout begins. Static ...

You’re at the gym doing your usual pre-workout warmup. You reach down to touch your toes to stretch your hamstrings, you pull your foot to your butt to stretch your quads, and you sit down into a ...

(CNN) — As you head into the gym, you likely already have a workout plan in mind. Maybe you’re taking a light jog on the treadmill, or you’re working on some bicep curls on arm’s day. To get the most ...