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GAZZETTA MEDICA ITALIANA ARCHIVIO PER LE SCIENZE MEDICHE
A Journal on Internal Medicine and Pharmacology
Indexed/Abstracted in: BIOSIS Previews, EMBASE, Scopus, Emerging Sources Citation Index
Gazzetta Medica Italiana Archivio per le Scienze Mediche 2012 October;171(5):533-40
Effect of subjective knee joint pain on knee extension strength, gait and ADL score in the female elderly
Sugiura H., Demura S.
Graduate School of Natural Science and Technology, Kanazawa University, Kakuma, Kanazawa, Ishikawa, Japan
Aim. This study aimed to examine the differences in knee extension strength, gait, and ADL score.
Methods. The study enrolled 142 elderly females (62-94 years old; mean age 75.7 years; SD=6.2) divided into the following groups, 79 persons without knee pain (knee non-pain group), 39 persons with subjective pain in a right or left knee (one knee pain group), and 24 persons with subjective pain in both knees (both knees pain group). The subjects took a knee extension strength test, a 12m maximum effort walk test and an ADL survey. Knee extension strength, stance time, swing time, stride length, step length, step width, swing speed and ADL score were selected as evaluation parameters.
Results. Knee extension strength was significantly lower in the knee pain groups than in the knee non-pain group. Stride length and step length were significantly shorter in the both knees pain group than in the non-pain group, but the other gait parameters had insignificant results. ADL scores were significantly lower in the knee pain groups than in the knee non-pain group.
Conclusion. The female elderly without knee pain are superior in knee extension strength and ADL to the female elderly with knee pain, and the female elderly with pain in both knees have shorter stride and step lengths.