FitClick notes that if you weigh 150 pounds, a plank will help you burn between three and four calories per minute.
The plank is one of the best exercises you can do for your core because it builds isometric strength to help sculpt your waistline and improve your posture. And depending on the type of plank you try, you can also engage your back, arms, shoulders, glutes, and hamstrings.
Check out these 20 ways to do a plank from Health.com.
When it comes to staying in shape, the activity you do outside of the gym counts, too. Whether you've got a consistent fitness regimen going or not, there are some simple ways to add a little extra calorie burn into your day.
Here are 12 sneaky strategies that registered dietitians and certified personal trainers tell their clients shared by Self.com.