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Sciatica & Weight Loss

by
author image Dr. Kamel Ghandour
Dr. Kamel Ghandour is assistant professor of medicine at Quinnipiac University School of Medicine. He has been writing for 10 years, contributing to such publications as the "Journal of Clinical Anesthesia" and the journal "Anesthesia & Analgesia." He specializes in anesthesia and pain medicine.
Sciatica & Weight Loss
Man holding his lower back Photo Credit BrianAJackson/iStock/Getty Images

Sciatica is the common name for pain from irritated nerves along the low back, legs and feet. Along with pain, there may be associated numbness and weakness. Sciatica is so common that entire medical specialties are dedicated to diagnosing and treating it. Nerve pain from sciatica can affect any race, gender and age group. Sciatica pain is a symptom of an underlying medical problem, and weight loss can ease the pain.

Sciatica's Causes

Sciatica symptoms refer to pain, numbness and weakness in the low back and legs supplied by the sciatic nerve. The origins of the left and right sciatic nerves are the body's spinal cord. The nerves start in the spinal cord at the L3, L4, L5 and S1 levels. From there, they travel to the bottom of the feet. Sciatica pain can occur anywhere along that path. Usually, the sensation is mixed: pain in one part of the back or legs and numbness in another part of the legs. The most common causes of sciatica are a narrowing of the spinal canal, a herniated disk in the back or an irritation along the nerve path by muscle or joint inflammation.

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Effect of Body Weight

In general, any force that puts more pressure on the low back and pelvis will make the symptoms of sciatica worse. A 2005 study reported in "Arthritis & Rheumatism" indicated that every extra pound of body weight adds 4 pounds of compression force on the joints and back. Patients who are obese may take longer to heal from sciatica, and their healing will be less than nonobese patients because of the physical stresses on tissues. These observations are true whether the sciatica is treated using surgery or nonsurgical methods. Manual laborers and machine operators who perform repetitive heavy lifting are more prone to developing sciatica. High-impact athletics such as football can also promote sciatica pain.

Weight Loss and Exercise

Losing weight is beneficial for sciatica sufferers. It doesn't take much weight loss to begin reducing inflammation and abnormal stress on the injured tissue. Massages and heat help reduce the back spasms often associated with sciatica. A structured weight program is best at the beginning since that is where the greatest progress is usually seen. Exercising while in pain is also challenging, but it will help sciatica pain. Often, when a patient has a back injury that just recently occurred, she will be sent to therapy to start immediate structured treatment.

Structured Therapy

Often a reason for weight gain is the sciatica sufferer can't exercise enough due to pain. The increase in weight then leads to worsening sciatica pain and more immobility and further weight gain. A goal of pain management and therapy is to break this cycle so that the sciatica sufferer can resume his normal life. In addition to helping the patient lose weight, a therapist will have specific goals: pain control, swelling reduction, increase range of motion, strengthening, teaching proper body mechanics, improving coordination and balance, and protection against reinjury.

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References

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