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Round
Trampoline:
In a round trampoline every spring points
right into the center and makes the center soft.
When you move out from the center, the bounce gets
harder behind you. If you lose your balance or
concentration you may be thrown forward off balance.
Fifty percent of trampoline injuries occur when
there is more than one person jumping, and on a
round trampoline the risk of collision increases.
However, because the stress on the frame is equally distributed,
a lighter, more cost-effective frame can be used and so round
designs are often attractively priced.
Octagonal
Trampoline:
The octagon trampolines are much safer
than the circular design. The springs on an octagon
offset the center because of the eight straight
rails, so they end up criss-crossing each other
to some extent. This results in less pressure
behind you and you are less likely to be thrown
forward off balance and into one another. There
also is more vertical travel in the mat because
of eight straight sides. The reason for this
is because the springs in the center of the rails
stretch more than the springs toward the end
of the rails. This produces a softer, better
and more controlled bounce.
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