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This is a previous iteration where we review information related to maintaining healthy joints

Joint Facts
There are 3 joint classifications; cartilagenous, fibrous and synovial.
There are 6 types of synovial joint articulations in the human body.
The gas present in synovial joint fluid in the hand has been found to be over 80% CO2.

Health Tips
How do you safely protect your family from E. coli, Samonella, and Shigella, spp. while disinfecting the kitchen?
Susan Sumner, a food scientist at Virginia Polytechnic Institute and State University, worked out the recipe for just such a sanitizing combo.
Just purchase 3% hydrogen peroxide and plain white vinegar and a pair of brand new clean sprayers. Spray your fruit and vegis with both then rinse well under running water.
It also works well for sanitizing cutting boards and kitchen counters.
In tests run at Virginia Polytechnic Institute and State University, pairing the two mists killed virtually all Salmonella, Shigella, or E. coli bacteria on heavily contaminated food and surfaces when used in this fashion, making this spray combination more effective at killing these potentially lethal bacteria than chlorine bleach or any commercially available kitchen cleaner.
Joint Health

These days, everyone is doing their best to maintain proper health of their joints. These joints include knee, elbow, ankle, and more frequently joints in the spine. But what is an appropriate measure to maximize the life of your joints? To help put things into perspective, we have reviewed articles published in respected, peer-reviewed health and medical journals.

Glucosamine and chondroitin for treatment of osteoarthritis: a systematic quality assessment and meta-analysis.

McAlindon TE, LaValley MP, Gulin JP, Felson DT.
The Arthritis Center, Boston University School of Medicine, Mass 02118, USA.

JAMA. 2000 Mar 15;283(11):1483-4

CONTEXT: Glucosamine and chondroitin preparations are widely touted in the lay press as remedies for osteoarthritis (OA), but uncertainty about their efficacy exists among the medical community. OBJECTIVE: To evaluate benefit of glucosamine and chondroitin preparations for OA symptoms using meta-analysis combined with systematic quality assessment of clinical trials of these preparations in knee and/or hip OA. DATA SOURCES: We searched for human clinical trials in MEDLINE (1966 to June 1999) and the Cochrane Controlled Trials Register using the terms osteoarthritis, osteoarthrosis, degenerative arthritis, glucosamine, chondroitin, and glycosaminoglycans. We also manually searched review articles, manuscripts, and supplements from rheumatology and OA journals and sought unpublished data by contacting content experts, study authors, and manufacturers of glucosamine or chondroitin. STUDY SELECTION: Studies were included if they were published or unpublished double-blind, randomized, placebo-controlled trials of 4 or more weeks' duration that tested glucosamine or chondroitin for knee or hip OA and reported extractable data on the effect of treatment on symptoms. Fifteen of 37 studies were included in the analysis. DATA EXTRACTION: Reviewers performed data extraction and scored each trial using a quality assessment instrument. We computed an effect size from the intergroup difference in mean outcome values at trial end, divided by the SD of the outcome value in the placebo group (0.2, small effect; 0.5, moderate; 0.8, large), and applied a correction factor to reduce bias. We tested for trial heterogeneity and publication bias and stratified for trial quality and size. We pooled effect sizes using a random effects model. DATA SYNTHESIS: Quality scores ranged from 12.3% to 55.4% of the maximum, with a mean (SD) of 35.5% (12%). Only 1 study described adequate allocation concealment and 2 reported an intent-to-treat analysis. Most were supported or performed by a manufacturer. Funnel plots showed significant asymmetry (P< or =.01) compatible with publication bias. Tests for heterogeneity were nonsignificant after removing 1 outlier trial. The aggregated effect sizes were 0.44 (95% confidence interval [CI], 0.24-0.64) for glucosamine and 0.78 (95% CI, 0.60-0.95) for chondroitin, but they were diminished when only high-quality or large trials were considered. The effect sizes were relatively consistent for pain and functional outcomes. CONCLUSIONS: Trials of glucosamine and chondroitin preparations for OA symptoms demonstrate moderate to large effects, but quality issues and likely publication bias suggest that these effects are exaggerated. Nevertheless, some degree of efficacy appears probable for these preparations.

What does this mean? This is a landmark article in a highly respected medical journal generally pointing to an effectiveness of glucosamine sulfate or chondroitin sulfate for the treatment of osteoarthritis symptoms. It is an assimilation of retrospective data and does not present original information on glucosamine's molecular mechanisms. Should you be taking Glucosamine sulfate and chondroitin sulfate? Talk to our doctor of chiropractic.

Other articles that suggest a benefit of glucosamine sulfate usage for osteoarthritis in the knee, and in the TMJ include the following.

Reginster JY, Deroisy R, Rovati LC, Lee RL, Lejeune E, Bruyere O, Giacovelli G, Henrotin Y, Dacre JE, Gossett C. Long-term effects of glucosamine sulphate on osteoarthritis progression: a randomised, placebo-controlled clinical trial. Lancet 2001 Jan 27;357(9252):251-6.

Thie NM, Prasad NG, Major PW. Evaluation of glucosamine sulfate compared to ibuprofen for the treatment of temporomandibular joint osteoarthritis: a randomized double blind controlled 3 month clinical trial. J Rheumatol 2001 Jun;28(6):1347-55.

Additional References

Arthritis and Glucosamine Information Center at http://www.glucosamine-arthritis.org/

Moore, KL., and Dalley AF. Clinically Oriented Anatomy. Joints. Lippencott Williams & Wikins, 1999. pp 21-26.

Unsworth A., Dowson., Wright V. Cracking joints: a bioengineering study of cavitaiton in the metacarpophalangeal joint. Ann Rheum Dis 1972; 30:348-58.

Vinegar and Hydrogen Peroxide as Disinfectants Science News August 8, 1998; Vol. 154, Issue. 6; pp 83-85.
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