5The opposite happens on the left side of the pelvis
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While the muscles on the right side are shortened, the complete opposite happens on the left side. The left pelvic region or bone called the Ilium and the muscles are lengthened to the point of becoming passively insufficient which contributes to improper co-contraction.
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6The same thing happens to the mid back
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The left thoracic spine area is also shortened which ultimately leads to overuse inflammation and pain. There will be fatigue experienced from the right side spinal stabilizers which then get overstretched. Postural endurance is then decreased while sitting or working at a desk leading to pain.
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7You can get sciatic pain
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Your sciatic nerve that is located just behind the hip joint is pinched between the wallet and hip. This can lead to sciatic pain or also sciatica causing pain which originates from the hip but travels down the leg. Professor Stuart McGill, Ph.D., professor of spine biomechanics at the University of Waterloo says that a stuffed wallet in the back trouser pocket makes your pelvis tilt stressing out your spine which makes one round the lower back and sit to avoid the discomfort. This is why when McGill conducts spinal experiments with volunteers he makes them remove their wallets or makes people sit with wallet sized objects under one cheek to study the effects.
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8Switching your wallet won’t help
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Professor McGill says switching the wallet to the front pocket doesn’t help because this too can create a pinch between the torso and thigh causing discomfort. It is advisable to remove a wallet when driving.
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