Where Did Your Back Go?
My back is out.” “Slipped a disc.” We often here these phrases being thrown around, so I though I would give you a quick tutorial on your back. Your back consists of stacked bones called vertebrae. There are discs between the vertebrae that act as shock absorbers and that allow the spine to bend. Each disc consists of a soft semi-fluid center (the nucleus) that is surrounded and held together by strong ligaments. Note: It is physiologically impossible for a disc “to slip” out from between vertebrae.
The discs in your spine can be the source of a great deal of back pain. This pain can range from a nagging ache and sciatic discomfort to excruciating pain that incapacitates you. There are simple measures you can take to reduce the risk of disc problems occurring and to reduce your pain once problems do occur.
To understand how disc pain happens, it is important to understand normal posture. When standing upright there is a natural inward curve in the lower back called a lumbar lordosis. With this natural lordosis, your body weight is distributed evenly over the discs.
The lordosis is lost whenever you slouch or bend forward. Back problems develop if you find yourself in these positions for long periods of time. This occurs because the vertebrae are placed in a position that pushes the nucleus backwards and stresses the ligaments at the back of the disc.
If the pressure on the ligaments is severe enough they may become weak and allow the soft inside part of the disc to bulge outward (prolapse) and press on the spinal nerves. This can cause sciatic pain in the buttock or down the leg.
Ideally, you want to stop back pain from developing by taking some simple steps to reduce strain to your back.
Many chairs don’t offer sufficient support for your lower back. Even well designed chairs can be used improperly. For example, most people sit in the middle of the seat and then slouch backward against the back support.
It is important to maintain the natural lordosis in your lower back while sitting. You can use a specially designed lumbar support that can be attached to your chair or simply roll up a medium sized towel and place it between your lower back and the backrest of your seat.
As well, stand up regularly, put your hands on the back of your hips and bend backwards five or six times.
Many activities around the home like gardening, making the bed and vacuuming cause you to stoop forward. Make sure that you stand upright occasionally and bend backwards to relieve the strain on the back ligaments. If you are doing any lifting, make sure to keep your back straight and bend from your hips and knees.
Often times when we see patients who are complaining of phantom acute back pain, it’s typically due to a new activity they have experienced over the past week, perhaps for just a single moment, that is the trigger to their pain. Often we find that this activity was the proverbial straw that broke the camel….well, you know.
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