A functional leg length discrepancy is when one leg upon measurement seems to be longer than the other when it's not anatomically longer, meaning one just appears to be longer. While measuring is going to yield the same results, radiographs may show a pelvis discrepancy in the iliac crest or greater trochanters. This discrepancy can be attributed to a possible issue within the lower back or sacroiliac joint. When the lower back and sacroiliac joints are not functioning properly it changes the way the tissues response creating an "asymmetry" in the spinal muscles. If the muscles in the spine are either tight (hypertonic) or loose (hypotonic) then the certain structures can be elevated or depressed leading to an appearance of a longer leg. Radiographs will show this and it can be explain to the patient.
If a functional leg length is present and remains for a long period of time without being treated by a chiropractic major issue can arise. Of course lower back and sacroiliac pain will be present but also any joint in the legs can be effected due to a disruption of normal biomechanics. If a joint is holding more weight than the other joint it is going to fail and become inflamed quicker, then a patient will start to favor the sore joint which will then cause the other joint on the other leg, due to compensation, to have aberrant biomechanics and that starts to turn into a long process when now both joints hurt. Long term effects of improper mechanics wear on the overall strength and stability of the lumber spine leading to possible disc herniation or injuries with minimal force compared to a normally functioning spine.
Chiropractic treatment rendered can help, the first step is to correct the muscle to make them more pliable so one side is not completely spasmodic due to the long standing effects. Then after taking careful radiographic measurements you can adjust the sacroiliac joint in their respective position. One side should be done in a posterior inferior direction while the other should be in a posterior superior direction. This chiropractic adjusting can be done in a prone position with chiropractic drops. After a course of treatment there should be a new resting alignment, this could be observed with radiographs or measurements on the patient's body. Once the new resting alignment is observed to satisfactory of the patient and the chiropractor, corrective and strengthen exercises can be done to hold the alignment and possibly help preventing future injury due to weakness. As always wellness care can and should be recommended for maintaining gains and prevent possible future reoccurrence. If you are having back pain and want to see if chiropractic can help you visit our website or our Plano Chiropractic office.
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