A trampoline is a familiar recreational and gymnastic device, made up of a piece of strong fabric stretched taut over a frame, and supported by a large number of springs. These springs provide a rebounding force which propels the jumper into the air, much further than it's possible to jump unaided. The fabric itself is not usually elastic. Instead, elasticity is provided by the springs connecting this fabric to the frame.
There are two major types of trampoline – competitive and recreational. Most recreational trampoline designs use coiled springs of steel to provide the rebounding force. However, there are examples which replace these springs with other materials, such as fiberglass rods. Trampolines are commonly round, but there are also square and rectangular trampolines available. Octagonal models also exist.
Competitive trampolines are usually made of more durable materials, and can fold up to be transported to competition areas. These trampolines are specifically sized and shaped. All competitive models are rectangular trampolines around fourteen feet by seven feet, fitted into a seventeen foot by ten foot frame using a hundred and ten steel springs. Fabric for rectangular competitive trampolines can be made of a number of materials. Originally, trampoline models used canvas for the jumping surface. However, webbing is more common today. Some competitive models are made from interlaced thin strings, a method that gives more height to the trampoline rebound.
Each shape of trampoline has its own benefits and problems. For instance, round trampolines take up less space and are more easily transported than rectangular trampolines. They can also more easily provide even tautness across the trampoline fabric. Rectangular trampolines, on the other hand, provide more space. This means that more tricks can be performed on a rectangular trampoline than on a round model. However, the corners of a rectangular trampoline can provide a slightly greater safety hazard, and it can be more difficult to find products meant for your specific model.
No matter which trampoline you choose, remember that safety is important. Be sure to buy the correct pads for your trampoline, to prevent injuries on the hard surfaces, and check over the parts of your trampoline before using it. Like all pieces of equipment, eventually parts of your trampoline will deteriorate and need to be replaced. Being careful with your trampoline is the best way to be able to enjoy it and have fun for may years to come.
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