GRIP STRENGTH IS good for more than just opening pesky jars in your kitchen. If you lift weights, it's essential to keep hold of the heavy dumbbells and barbells when you load up to your max efforts.

Even if you’re a bona fide stretching girly, there’s a high chance that your arms, legs, back, and glutes get most of the love whenever you’re on the mat. But when was the last time you purposefully ...