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“When I teach my trampoline workout classes, ... So much so that I purchased one for my 76-year-old mom, for health reasons,” wrote one reviewer. Amazon. $97.99 at amazon.com.
The trampoline bed is rectangular 4.28 by 2.14 metres (14 ft 1 in × 7 ft 0 in) in size fitted into the 5.05 by 2.91 metres (17 ft × 10 ft) frame [10] with around 110 steel springs (the actual number may vary by manufacturer). The bed is made of a strong fabric that can be woven from webbing, which is the most commonly used material.
The company designed its first trampoline in 2008, [17] and it has since manufactured them in its factory in China. [18] Their original trampoline underwent a series of updates and was renamed the "Classic". [7] Thunder, the company's second model, is a trampoline that uses leaf springs instead of coil springs. [19]
The benefit of an enclosure is that it keeps jumpers from falling off a trampoline or impacting the frame. [3] [4] Safety net enclosures vary from one manufacturer to another, such as the opening in the net so that jumpers may enter and exit the trampoline. The design of such openings may include: snap/Velcro system, zipper, or overlapping ...
The study used a competition-style trampoline, size in feet: 9'x15'. "Each phase of the sequence included a 2-min warm-up, followed by 5 min of jumping. The four heights, measured by the distance the subjects’ feet were elevated above the trampoline bed, were 18, 37, 75, and 100 cm.
Showing a video of his 7-year-old son on a trampoline with two teens, the dad explained, “They started jumping with him and he just went with it” for approximately 45 minutes.
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