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퇴행성 슬관절염 환자에 대한 수정된 대퇴사두근과 슬괵근 운동의 동시수축 효과
강정선 ( Jung Sun Kang ),이완희 ( Wan Hee Lee ),이동진 ( Dong Jin Lee ),황돈영 ( Don Young Hwang ) 대한물리의학회 2010 대한물리의학회지 Vol.5 No.3
Purpose:The purpose of this study was to investigate a modified maneuver for quadriceps setting exercise for patients with knee osteoarthritis. Methods:The patients were randomly divided into a modified maneuver for quadriceps setting exercise group (MQG) and conventional quadriceps setting exercise group(CQG). Total of 28 patients received a modality with training for 1 hour, three times a week for 12 weeks. Results:Each group showed significant reductions in the WOMAC(Western Ontario McMaster Universities Osteoarthritis) Index, mobility, and muscle strength after 12 weeks. In pain, physical function, and hamstring muscle strength, there was a statistically significant difference between groups. Conclusion:According to the results, MQG experienced less pain, physical function, and increased more hamstring muscle strength than NQG.
Homo형 발효 및 Hetero형 발효 젖산균의 사용이 사일리지의 품질 및 호기적 안정성에 미치는 효과 : 메타분석
조상범,강정선,조경진,이강희,권찬호,송재용,이기환,김수연,김은중,Cho, Sangbuem,Kang, Jung Sun,Cho, Kyung Jin,Lee, Kang Hee,Kwon, Chan Ho,Song, Jaeyong,Lee, Kihwan,Kim, Su Yeon,Kim, Eun Joong 한국초지조사료학회 2014 한국초지조사료학회지 Vol.34 No.4
본 연구에서는 메타분석을 통하여 heterofermentative과 homofermentative LAB가 사일리지의 품질과 호기적 안정성에 대한 효과를 분석하였다. 일련의 분석결과 접종균으로 사용된 젖산균의 종류에 따라서 사일리지의 품질이 다르게 나타남을 확인할 수 있었다. 특히 호기적 안정성에 있어서 heterofermentative LAB의 사용이 매우 중요함을 알 수 있었다. 본 연구결과는 사일리지의 제조 목적 및 사용방법에 따라서 접종균주를 다르게 선발하여야 하며, 사용방법에 따라서 사일리지 내 유기산 조성을 변화시킬 수 있는 발효조건이 필요함을 시사하고 있고, 또한 보다 정밀한 사일리지 발효기술에 대한 기초자료를 제공한다. In the silage quality, the process of fermentation and use of micro-organism as starter cultures are crucial. The present study investigated the effect of homo and heterofermentative lactic acid bacteria as a starter culture strain on the silage quality and its aerobic stability using meta-analysis. Total 19 studies were used in the analysis. According to the strains of lactic acid bacteria used, experimental groups were assigned to heterofermentative (HEL), mixture of hetero and homofermentative (HHO), homofermentative (HOL) and various homofermentative (HOM). In each experimental group, standardized result of the treatment (with inoculant) was compared with the control (without inoculant) using risk ratio calculation method. The effect of experimental group was also compared. Different starter culture strains did not influence on silage pH and propionic acid production. However, lactic acid and acetic acid production were significantly (p<0.05) influenced by the start culture strains. HOM showed the greatest lactic acid production and HEL was the lowest. In contrast, HEL showed the greatest in acetic acid production and HOM and HOL were the lowest. In terms of ammonia nitrogen, HHO produced more (p<0.05) than the rest of the treatment. In crude protein and water soluble carbohydrate contents, there were no significant effects among treatments. Different strain of lactic acid bacteria significantly influenced on the effect of aerobic stability (p<0.05). Use of heterofermentative showed greater aerobic stability and the use of homofermentative lactic acid bacteria.