Call the fire department-this squat variation is about to set everything ablaze. Squats will always light up your glutes and quads. But the cardio king of the squat family-the squat jack-does so much ...

Exercises that combine cardio and strength training are a one-way ticket to a more efficient workout, and squat jacks are one of the best moves around, explains certified personal trainer Lisa Tanker.

Leg day doesn't have to last a long time — just ask ACE-certified personal trainer and Under Armour trainer Ariel Belgrave, who created this 20-minute lower-body HIIT workout. The session is part of ...

Here at POPSUGAR, we look forward to leg day like we look forward to our morning pick-me-up (OK, fine, maybe we like our coffee better). That's why we're extra stoked about ACE-certified personal ...

Burpees are undoubtedly one of the most effective full-body workouts that help torch calories rapidly while targeting all the muscles of your body. Another truth is this exercise isn't easy for all.

When it comes to warming up, what do you do? I guess it depends on what kind of exercises you have planned. But at any rate, you want your muscles warm and your heart pumping. So, obviously, you have ...

Wow, what beautiful weather we are having (in Florida, at least). Having a glimpse of springtime is usually a good reminder to kick your cardio AND fitness into high gear. If looking great in a ...