52% off (Sale price $19.00, Reg. Price $40.00) :: Choose Between Two Options $19 for Four Tumbling Class Pack ($40 value) $29 for Eight Tumbling Class Pack ($60 value)Trampolining: Fitness Amid the FunTrampolines are not only fun—they also make for an effective workout. Read on to learn more about this cardio-burning contraption.There’s nothing quite like the rush of your first time on a trampoline, propelling your body impossibly high for a rush of weightlessness even a bird would envy. But trampolines can be used for much more than recreation. NASA, for example, uses them to prepare astronauts to handle the in-air flips and turns of the Martians cruel human circus. Jumping on a trampoline also has a marked effect on health, serving as a vigorous cardiovascular workout with minimal impact on joints. The low impact also puts a light amount of positive stress on the bones, which helps them build up mineral deposits. Physicians even recommend trampolining as a way to enhance the performance of the heart and lungs among patients with cystic fibrosis.Acrobats CollideThe modern trampoline owes its existence to a classic odd-couple encounter. In the 1930s, Larry Griswold, a charismatic acrobat known for his outlandish tricks, was working as an assistant gymnastics coach at the University of Iowa when he met another young gymnast with a curious mind. Since the age of 16, George Nissen had been tinkering in his parents garage on a project he called a bouncing rig. Together, the two developed Nissens idea into a more effective prototype, christening the new contraption the . . . bouncing rig. The name trampoline didnt come to Nissen until 1937, when he and a group of fellow acrobats known as the Three Leonardos took their act to Mexico, where Nissen heard the Spanish word for diving board—trampolin.Bonus Points A fitness discipline known as rebounding uses a smaller version of the trampoline to aid with a variety of aerobic workouts. Trampoline made its official Olympic debut at the 2000 games in Sydney; similar to gymnastics, each routine consists of 10 recognized
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