Introduction to biomechanics


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Sciatica - The Cause and the Cure

What it isSciatica is the name people give tonerve. The presence of this spondylolysis
a pain in the buttock, leg or foot brought onusually does not represent a dangerous
as a direct result of some form of irritationcondition in the adult and most treatments
to the sciatic nerve. The sciatic nerve isconcentrate on pain relief and increasing the
the longest nerve in the body. It runs allpatient's ability to function.The CureSome
the way from the lower back splitting at thecases of sciatica which result from
base of the spine and terminating in theinflammation get better with time and heal
foot.The discs which cushion the vertebrae inthemselves perhaps within six weeks to three
the lower back become progressively thinnermonths.Recent studies have shown that bed
and harder as we get older. This stresses therest is not necessarily the best way to treat
lower back and often causes a variety ofsciatica. It is better to remain active,
lower back pain disorders, includingstarting off with some gentle stretching and
sciatica.Sciatica is usually caused by aexercise. Swimming is particularly useful, as
prolapsed or 'slipped' disc bulging andit is not a weight bearing exercise. The good
pressing on to a nerve. It doesn't usuallynews is that herniated spinal discs usually
cause permanent nerve damage since the spinaldo heal on their own, given time.There are
cord is not present in the lower part of themany different treatments for sciatica and it
spine and a prolapsed or herniated disc inis important to discuss these with your
this area does not pose a risk ofhealth practitioner. Accurate diagnosis to
paralysis.The causeThe most common cause ofdetermine the exact cause of sciatic pain is
sciatica is a prolapsed (slipped) disc,also equally important. The most conclusive
pinched nerves or some form of arthritis. Itdiagnosis is usually gained by a having an
usually starts with back pain which sometimesMRI scan. However having said that skilled
improves only to be followed by hamstring ormedical practitioners, and I include
calf pain. It may also include numbness inOsteopaths and Chiropractors, are often able
the toes depending on which branch of theto determine the suspected cause by carrying
sciatic nerve is irritated.Piriformisout a physical examinationStretching and
syndrome is a condition in which theexercising are a must if you really want to
piriformis muscle irritates the sciaticprogress along the road to rehabilitation and
nerve. The piriformis muscle is a smallif you are in extreme pain this is probably
muscle behind the gluteus maximus. Piriformisthe last thing you will contemplate
syndrome is most common among women, runnersdoing.Since getting mobile and becoming
and walkers.Spinal stenosis is the name givenflexible is extremely important you might
to the narrowing of the nerve channelrequire some pain management to help you get
(vertebral canal) of the spine. Thisgoing. For mild cases of sciatica your doctor
narrowing causes compression of either themay start off by recommending non
spinal cord within the vertebral canal, orprescription medications like aspirin,
the nerve roots that exit the spinal cord.ibuprofen, or naproxen, known as non
People with spinal stenosis experiencesteroidal anti-inflammatory drugs, or NSAIDs.
sciatic pain symptoms in the legs and feet.A downside of these drugs is that they may
It usually results from degenerativecause stomach upsets or bleeding.If your pain
arthritis causing a narrowing of the spacesis not relieved by analgesics or NSAIDs, your
in the vertebral canal. Manual workers aredoctor might prescribe narcotic analgesics
more prone to developing symptoms of spinal(such as codeine) for a short time. Side
stenosis but it seldom affects people undereffects of these include nausea,
30 years of age - unless it is due toconstipation, dizziness and drowsiness, and
traumatic injury to the vertebrae.The spinecontinued use may result in
is made up of a series of connected bonesdependency.Sciatic pain is usually nerve
called "vertebrae." Spondylolisthesis orrelated and responds well to treatment with
isthmic spondylolisthesis occurs when alow doses of tricyclic anti-depressant drugs
cracked vertebra slips over the vertebralike amitriptyline, dothiepin, nortriptyline,
below it. Poor posture and curvature of thelofepramine, desipramine, clomipramine or
back or weak abdominal muscles can contributeimipramine combined with acupuncture or the
to this slippage, which can press on theuse of TENs machines.



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