Ever been to the gym on a day that it’s just too crowded? (Thanks, New Year’s resolutions and bikini season.) Or maybe the only place you have to work out is your tiny living room, dorm or hotel room. Don’t abandon your workout just because you’re short on space.

When the sun is shining and the temperatures begin to rise, it’s Mother Nature’s call to get outdoors! Step up your training routine as you dig your toes into the sand and feel the ocean breeze.

Dr. Stuart McGill, a biomechanist and spine researcher, has three core exercises that he believes will help prevent back pain.

The health and fitness benefits of HIIT (high-intensity interval training) are well documented: It increases your aerobic and anaerobic fitness levels, helps you establish and sustain healthy blood pressure, increases your cardiovascular health, increases your insulin sensitivity, makes for a healthier cholesterol prof

Some physiques don’t need to be overhauled; they just need to be polished up a bit. Take you. You like your body, and you should -- you’re in pretty good shape. But it’d be nice to tone up, let those muscles “pop” more and get a longer, more defined look. The good news: There is a way, and it’s here at your fingertips.

Khloe Kardashian's post-pregnancy diet and exercise regimen revealed, along with exclusive tips from her personal trainer, Coach Joe!

Gold's Gym requires that anyone who seeks employment as a personal trainer have a personal training certification from a nationally recognized agency.

A stability ball can improve your core strength, but sitting on it all day isn't always the best idea.

Whether you want to be the next Dwayne "The Rock" Johnson or just want to perform better on the field or in the gym, building power is key. The problem is that traditional power-building exercises are usually also high-impact, which can put real stress on your muscles and joints.

Want a workout that'll have you feeling strong and confident when you rock that bikini? This fat-burning workout routine combines cardio and body-strengthening moves that will tone and tighten all over.

Planning on strutting your stuff on the beach this summer? Get that booty in shape with a workout from the booty capital of the world — Rio de Janeiro, Brazil.

In our society, sitting down is the standard. Research from the U.S.