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An
essential model for physiotherapy, Occupational Health,
Osteopaths, Chiropractors, Sports Injury, GP’s and all medical
and educational applications.
This
innovative model shows the injured mechanism of a herniated disc.
The simulator demonstrates how the inter-vertebral disc is
prolapsed when flexing the vertebrae, reproducing what happens in
real life when we bend or twist during physical activity.
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Since
vertebral disorders are now very widespread, therapists should
have this model to make people aware of the importance of gentle
movements and
behaviour
for the spinal column. This model will be of great assistance in
medicine, physiotherapy, medical surgeries and clinics,
occupational health / work risk prevention, ergonomics, physical
education and other fields. The model consists of two vertebrae
with an elastic inter-vertebral disc, spinal cord and nerves.
Size:
12x11, 5x9 cm; Weight: 0, 6 kg.
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Vertical
Pressure
In
their function as shock absorbers,
inter-vertebral
discs are constantly being compressed. If you press the simulator
straight up and down, the pressure is the same throughout the disc
and it becomes deformed. Only if the disc was previously
damaged, with injured ligaments, a high pressure might cause a
protrusion.
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Trunk
Flexion
However,
if you press the front part of the simulator, the nucleus of the
disc moves to the other side and a protrusion or a slipped disc is
formed. This movement also may simulate sciatica. The
picture shows the formation of a poster lateral hernia, one of the
most usual.
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Trunk
Torsion
Also
a hernia may occur when you turn the vertebras. When the ligaments
of the disc are turned, the pressure inside the disc becomes very
strong and a protrusion occurs in the weakness area. That
movement simulates disc torsion in a turn of the spine.
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Combined
Movement: Flexion and Torsion
Finally,
if you press the front part and turn the vertebras at the same
time, a big hernia is formed. This is a very risky movement,
especially for people that usually suffer from back pain.
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Skeletons
