Reliability and prevalence of physical performance examination assessing mobility and balance in older persons in the US: Data from Third National Health and Nutrition Examination Survey

Article Abstract:

Lower-extremity functions measured by timed chair stand and walk have been found to be reliable, with women of every age group more physically limited than men in the United States. A cross-sectional nationally representative survey was used to obtain reliability and prevalence estimates by sex, age, and race-ethnicity of an observed physical performance examination assessing mobility and balance. Data on 5403 people older than 59 from the Third National Health and Nutrition Examination Survey (NHANES III) have been examined.

Aging, Abnormalities, Measurement, Demographic aspects, Leg, Aged men, Elderly men

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Isokinetic leg muscle strength in older Americans and its relationship to a standardized walk test: data from the National Health and Nutrition Examination Survey 1999-2000

Article Abstract:

The isokinetic knee extensor muscle strength in older United States men and women and its relationship with a standard, time walking-speed test is examined. Age and sex affected knee extensor muscle strength and the increase in knee extensor strength was found to be associated with a significant increase in meters walked per second.

Science & research, Aged, Elderly, Muscle strength, Leg muscles

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The relationship between body composition and physical performance in older women

Article Abstract:

The relationship between body composition and performance has been investigated in a cross-sectional study in 144 older women, that is, aged 68-75, in Italy. Normal women had a significantly lower body mass index (BMI) and percentage of body fat and a higher ratio of body cell mass. Although muscle strength is related to fat-free mass, but disability in older women is associated with higher BMI and with a higher percentage of body fat.

Italy, Body composition, Adipose tissues, Adipose tissue, Geriatrics

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