Although exercise methods such as high-intensity interval training and high-impact aerobics may be popular for their calorie-torching potential, low-intensity cardio works, too.

The target heart zone of a high-intensity intervals workout is between 80 and 95 percent of your maximum heart rate.

Whether or not walking is good cardiovascular exercise depends on a variety of factors, such as the intensity and pace.

If you're consistent and work hard, and you have the right trainer, you can start to see results in three to six weeks.

Once you get the hang of it, rollerblading, or inline skating, can be a serious workout. You'll burn calories, build stamina and improve your heart health.

A growing demand for fitness workers means majoring in exercise science or a related field is a smart idea.

There’s more to being a trainer than applying drill sergeant techniques. A good trainer should educate and motivate.

Hop in the pool for a good workout with a lot of benefits —but a water aerobics fitness session doesn't work miracles.

From ballroom to hip-hop, dancing offers far-reaching benefits that include weight loss, muscle toning, improved cognitive skills and stress reduction.

Some types of cardio exercise burn more than others. A lot depends on how hard you work and other factors including your gender and weight.

Are you ready to get [STRONGER](https://www.livestrong.com/article/1012121-10-workouts-fitter-stronger/)? LIVESTRONG.COM’s video workout series with Nicky Holender will help you build muscle and burn calories. If you’re new to working out or [have injuries or weaknesses](https://www.livestrong.

“I’m not flexible enough.” “I don’t like chanting.” “I can’t sit through an hour-long stretching class.” “I just don’t do yoga.” Sound like you? That’s OK — yoga isn’t everyone’s cup of tea. But you can still get all the benefits of stretching without having to chant “om” or sit through a sweaty yoga class.