Leg extension power asymmetry and mobility limitation in healthy older women

Portegijs, Erja; Sipilä, Sarianna; Alen, Markku; Kaprio, Jaakko; Koskenvuo, Markku; Tiainen, Kristina; Rantanen, Taina

doi:10.1016/j.apmr.2005.03.012

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Portegijs, E., Sipilä, S., Alen, M., Kaprio, J., Koskenvuo, M., Tiainen, K., & Rantanen, T. (2005). Leg extension power asymmetry and mobility limitation in healthy older women. Archives of Physical Medicine and Rehabilitation, 86, 1832-1842.

Julkaistu sarjassa

Archives of Physical Medicine and Rehabilitation

Tekijät

Portegijs, Erja |

Sipilä, Sarianna |

Alen, Markku |

Kaprio, Jaakko |

Koskenvuo, Markku |

Tiainen, Kristina |

Rantanen, Taina

Päivämäärä

2005

Oppiaine

Gerontologia ja kansanterveys Gerontologian tutkimuskeskus Hyvinvoinnin tutkimuksen yhteisö Gerontology and Public Health Gerontology Research Center School of Wellbeing

Tekijänoikeudet

© 2005 by the American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation. This is a final draft version of an article whose final and definitive form has been published by Elsevier Inc. Published in this repository with the kind permission of the publisher.

Objective To investigate the association of asymmetry in leg extension power (LEP) with walking and standing balance. Design Cross-sectional analysis. Setting Research laboratory. Participants Healthy female twins (N=419), ages 63 to 75 years. Interventions Not applicable. Main Outcome Measures The LEP difference between the stronger and the weaker leg, measured with the Nottingham power rig, was calculated. Ten-meter maximal walking velocity was assessed in a laboratory corridor on a wide (170cm) and narrow (35cm) track, and the ability to maintain tandem stance for 20 seconds was recorded. Results The mean LEP difference ± standard deviation between the legs was 15%±9% (P<.001). Those with large LEP difference had lower walking velocity and poorer standing balance than those with small LEP difference, in particular when the LEP of the stronger leg was below the median. Conclusions Even in healthy older women, substantial LEP asymmetry between the lower l ... showmore

Julkaisija

American Academy of Physical Medicine and Rehabilitation

ISSN Hae Julkaisufoorumista

1532-821X

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