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Nutrición Hospitalaria

On-line version ISSN 1699-5198Print version ISSN 0212-1611


SERRA REXAH, J. A.. Clinical consequences of sarcopenia. Nutr. Hosp. [online]. 2006, vol.21, suppl.3, pp.46-50. ISSN 1699-5198.

The concept of sarcopenia implies loss of muscle mass and function. It is a condition that accompanies aging, although it not always has clinical consequences. It is produced by many factors: nervous system (loss of alpha motor units in the spinal cord), muscular (loss of muscle quality and mass), humoral (decrease in anabolic hormones such as testosterone, estrogens, GH, and increase of several interleukines), and life style (physical activity). The main clinical consequences of sarcopenia relate with functional independence. Thus, the sarcopenic elderly has greater difficulty walking, or do it more slowly, climbing up stairs, or doing basic daily living activities. These difficulties increase the risk for falls and, thus, fractures. They also affect bone formation, glucose tolerance, and body temperature regulation. Besides, dependency is a mortality risk factor.

Keywords : Muscle loss; Clinical consequences; Disability; Dependency.

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