You've probably heard a personal trainer or group workout instructor say, "activate your glutes" at some point in a sweat session. But what does that phrase actually mean–and how do you even activate ...

Activations don't always have an advantage over other types of warmups.

Glute activation is a term that personal trainers love to talk about, but does anyone actually understand what it means? "Lifting heavy in the gym but feeling like the results aren't quite showing all ...

When you activate glutes before a workout, you can lift heavier, run faster, and help ward off injury. Here’s how to do it. We know how bad sitting is for our muscles. “Your glutes become stretched ...

You've probably heard that you should feel a certain muscle working when you do an exercise. Your biceps should burn a little ...

Activating your glutes is basically a wake-up call to your muscles. Charlee explained, "Every workout should begin with activation and mobility drills that will mimic or use the muscles in patterns ...

When's the last time you've done a lower-body workout that left you exhausted but proud of the work you did? If you can't remember, we've got a four-move equipment-free workout that will ignite your ...

Your bum is the biggest muscle in your body, but sitting all day mean the muscles in your bum loosen and lengthen. This leaves you not only with a flabby butt but also causes bad posture, back and ...

Think of these exercises as a switch that turns on your key muscles, getting them ready for the effort ahead. Don't worry, they won't take much time and you can easily add them to your routine. Let's ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. “Activation” exercises ...

Glute activation exercises are key for building strength and preventing injury, but does anyone actually understand how to do them? Here's your 101 on glute activation. 'Lifting heavy in the gym but ...