Kermit the Frog, the diligent and disciplined “Sesame Street” and “The Muppet Show” character, undoubtedly would endorse Saturday’s kids’ class on frogs at the Burpee Museum of Natural History. The ...
Shawn Arent, the director of the Center for Health and Human Performance at Rutgers University and a fellow at the American College of Sports Medicine, demonstrates the proper form for the burpee.