Here’s the thing about cardio: It's necessary for strengthening your heart and efficiently pumping blood throughout your body, research proves. To log your recommended 150 minutes of moderate cardio ...

Jumping rope is a popular workout intended to burn calories, build strength, and improve coordination. However, with so many different jump ropes available, it can be tricky to figure out which are ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. A jump rope is a ...