1. By Alexa K.

2.  In 1936, gymnast and diver, George Nissen,
and tumbler, Larry Griswold, created
modern trampolines with coiled springs, a
frame, and mats pulled across the springs.
Coiled Springs
Frame and mats

3.  Lived from February 3, 1914 to April 7, 2010
– he lived for 96 years.
 George and Larry built the first trampoline in
a garage, and he also made trampoline an
Olympic sport in 2000.
George Nissen

4.  Was born on September 17, 1905 to August
24, 1996 – 91 years.
 He was a high level gymnast and tumbler.
 Larry and George created a company called
Griswold-Nissen Trampoline & Tumbling
Company.
Larry Griswold

5.  Gymnasts use trampolines for training and to
practice tricks.
 Circus performers also use trampolines for
circus acts, with crazy tricks going on the
trampolines.
 Divers use trampolines for training for the
water, so they get the feel of they new dive
an easier way.
Athletic Uses

6. Mini – Tramps
 There are lots of “mini – tramps” that are used for
different purposes. Like….
 Fitness/Rehabilitation
 Kids
 Gymnastics
 Diving
 Circus

7. Different Shapes & Sizes
 Square
 Rectangle
 Circle
 Octagon

8. Trampolines with Nets
 Some trampolines have build in nets. In some
designs of a netted trampoline, there are no
coiled springs, the bounce comes from metal
spirals swirling around the frame.
 The net is supposed to make jumping on a
trampoline safety, and less of a risk of falling
off.
Netted
Trampoline
with Springs
Spring less
trampoline without
net

9. Other Trampoline Uses
 Firemen use trampolines to catch people
jumping out of burning buildings.
 In World War 2, plane pilots were
trained on trampolines.
 On water, trampolines are a fun way to play
with family and friends.

10. Should I Buy A Trampoline?
 If you are debating whether you should buy a
trampoline or not, look at the following
slides that show the benefits and non-
benefits of purchasing a trampoline.

11. Pros Cons
 Exercise – jumping on your
trampoline is good exercise.
 Fun – jumping is fun, social,
and you can try new tricks, or
just jump high.
 Safety #1 – With spring pads,
its almost impossible to get a
foot caught.
 Safety #2 – If your worried
about falling off, don’t
worry, draw a big X in the
middle, and make a rule that
you have to jump on the X.
 When it snows, you have to
shovel the snow off it, or its
too much weight on the
springs.
 If you are fooling around, you
could get a spinal injury.
 Doctors often do not
recommend trampolines as
they see lots of injuries.

12.  http://en.wikipedia.org/wiki/Trampoline
 http://www.intlgymnast.com/index.php?option=com_content&view=article&id=1452:trampoline-
 http://en.wikipedia.org/wiki/Trampolining
 http://en.wikipedia.org/wiki/Larry_Griswold
 http://en.wikipedia.org/wiki/George_Nissen
 http://sultana.1stdibs.com/itemdetails.php?id=226485
 http://images.craigslist.org/3n23m13p45Y25V65Q0a7l48e04409663016c2.jpg
 www.cirquedusoleil.com
 www.airbornetrampoline.ca/Trampoline-Deck.gif
 www.sundancetrampolines.com/.../1/0/100_0451.jpg
 www.flickr.com
 www.sportstek.net/images/mini-tramp.jpg

http://www.usedandnewtrampolines.com/wp-content/uploads/2010/04/mini-trampoline.jpg
 http://www.comparestoreprices.co.uk/images/eu/eurotramp-euro-team-mini-tramp.jpg
 http://www.circus4youth.org/images/img/200711051409490.BA%202.jpg

13. Bibliography Continued
 http://www.comfortchannel.com/images/Extreme_Hero.jpg
 http://www.okokchina.com/Files/uppic11/Mini%20Trampoline%20with%20handle612.jpg
 http://www.nyworms.com/images/question%20marks.JPG
 http://inflatable-water-trampolines.com/wt_img/gwt-10.jpg
 http://cdn.dealsdirect.net/m/products/222/24222/1/product1_24222_600x6
00.jpg
 http://www.comparestoreprices.co.uk/images/di/dino-cars-12ft-round-
trampoline-fu12--12ft.jpg
 http://shop.playsystemsdirect.com/images/MagicCircle16OctagonNoCage.jpg