| Summary: | 碩士 === 輔仁大學 === 營養科學系 === 95 === Glucosamine and chondroitin are the key components of connective tissue. Many researchers were confirmed the effect of glucosamine and chondroitin on osteoarthritis patients’ cartilage growth and the advantage for syndrome releasing. Some of the investigators were challenged the above results recently. However, no studies focused on weight lifters who often get cartilage damage. This study was researched into the effect of glucosamine and chondroitin on weight lifters’ exercise performance and cartilage metabolism. Twenty-five weight lifters were separated into two groups (supplement group and placebo group) randomly and they took training everyday for 12 weeks. The supplement group took 1800 mg glucosamine and 900 mg chondroitin capsules and the placebo group took 2700 mg starch capsules per day. In physiology, we measure exercise performance by the Snatch and the Clean and Jerk. We used serum C-propeptide of type II procollagen (CPII) and cartilage oligomeric matrix protein (COMP) to measure cartilage metabolism. We also measured athletes’ pain situation by pain score. We carried out that both group had trend to increase the total amount of exercise performance and the amount of supplement group was higher than placebo group. Serum CPII concentrations between two groups were no significant difference on week 0 and week 12. But COMP concentration in supplement group was lower than placebo group. And there were no benefits on joint pain score in 0, 8 and 12 week. In conclusion, the supplementation of 1800 mg glucosamine and 900 mg chondroitin was no effect on weight lifters’ exercise performance, cartilage metabolism and pain situation for 12 weeks intervention.
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