Cardio

If you're not sweating when you do cardio, then you're not doing it hard enough.

The elliptical is a very powerful tool for developing cardio fitness. Unfortunately, few people know how to actually use it.

My body has all the protein it needs to repair itself after a hard cardio workout.

Stefan does cardio regularly.

Vary your cardio exercises to keep it interesting.

Avoid excessive cardio if your goal is muscle gain.

Try a variety of cardio exercises for full-body fitness.

Regular cardiovascular exercise reduces the risk of heart problems, but for the couch potatoes of the world—people who are sedentary—suddenly launching into a cardio program or having sex can lead to a heart attack.

I'm habitually doing at least 15 minutes of cardio daily.

I did some cardio today instead of lifting weights.

For decades, trainers and scientists have debated whether and how to mix cardio and resistance exercise. Some small studies suggest combining the two might up the likely gains from each, especially the resistance training.