| When our body is in the standing position
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| | common biomechanical problems:
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| it is in a state of unsteady equilibrium
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| | Problem 1.
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| because the base is small and the centre
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| | It's the fashion not to tie trainers and
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| of gravity is a long way above it. That
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| | shoes up but this prevents the shoe from
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| is why it has to be balanced by keeping
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| | supporting the inside of the foot and
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| the centre of gravity over the base,
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| | allows the foot to roll or 'pronate' too
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| otherwise the body would fall over.
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| | much in standing and walking.
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| Equilibrium: The steadiness of the body
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| | This means the knee and the hip rolls
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| depends on the size of its base and the
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| | inwards too much which makes the inside
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| distance of the centre of gravity from
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| | calf and inside thigh muscle shorter. The
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| that base. An object having a large base
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| | iliotibial band can then rub against the
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| and a low centre of gravity is not easily
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| | outside knee giving pain.
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| upset.
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| | Further up, the bottom muscles become too
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| The first thing necessary in order to
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| | long and stop working as they should do
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| accomplish good posture is to straighten
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| | which puts added stress on the pelvis and
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| the neck, keep the chin down and back.
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| | low back joints. Before you know it you
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| The second important thing is correct
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| | have back pain, knee pain and ankle pain!
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| deep breathing.
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| | And all because of fashion!
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| The line of gravity in the fundamental
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| | Problem 2.
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| standing position falls in front of the
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| | Whether you drive 5 miles or 500 miles a
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| ears, and in front of the cervical and
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| | day your car seat is really important. In
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| dorsal vertebrae, through the lumbar
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| | many cars the base of the seat slopes
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| vertebrae, through the hip joint, and
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| | backwards. In fact some of the more
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| slightly in front of the ankle joint. But
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| | expensive cars are the worst because they
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| this probably varies in individuals
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| | want you to feel 'snug' and safe in the
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| according to their build and height.
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| | seat. However, this position forces your
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| "Biomechanics is that branch of science
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| | pelvis to sit too far backwards.
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| concerned with the understanding of the
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| | Once this happens your low back and upper
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| interrelationships of structure and
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| | back flex forward too much but then your
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| function of living beings with respect to
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| | neck muscles have to work really hard to
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| the kinematics and kinetics of motion"
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| | stop your head from flexing too much and
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| Poor Posture associated by the following:
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| | allow you to see where you are going.
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| Genetic disorders, Familial association,
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| | This position then forces your shoulder
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| Irregular/no exercise, Bad habits when
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| | blades to stretch too far forwards and a
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| sitting or standing, Carrying excess
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| | large stress is placed on both the front
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| loads, (School/shopping) Underweight
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| | and the back of the shoulder.
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| Overweight (Inadequate diet)
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| | The result is neck pain and /or upper or
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| Mental Attitude towards oneself.
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| | low back pain. This position can
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| Biomechanics is our way of describing how
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| | exacerbate sciatica as it is a big
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| each bit of your body moves in relation
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| | stretch for the nerves.
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| to another bit.
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| | The solution is to raise the back of the
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| Our bodies are fantastic at compensating
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| | seat so it becomes more horizontal. Some
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| when things are not quite perfect but
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| | cars allow you to alter this angle but if
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| unfortunately when we run out of
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| | yours does not then sit on a small
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| compensations we usually end up with pain
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| | cushion or buy a special wedge shape
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| and stiffness.
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| | cushion that fits into the seat.
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| Let's have a look at some of the more
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