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Title: Atrophy of the lower limbs in elderly women: is it related to walking ability?
Authors: Ikezoe, Tome  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0001-8546-5912 (unconfirmed)
Mori, Natsuko
Nakamura, Masatoshi
Ichihashi, Noriaki  kyouindb  KAKEN_id
Author's alias: 池添, 冬芽
Keywords: Aging
Muscle atrophy
Ultrasonography
Lower limb muscles
Elderly women
Issue Date: Jun-2011
Publisher: Springer-Verlag
Journal title: European journal of applied physiology
Volume: 111
Issue: 6
Start page: 989
End page: 995
Abstract: This study investigated the relationship between walking ability and age-related muscle atrophy of the lower limbs in elderly women. The subjects comprised 20 young women and 37 elderly women who resided in nursing homes or chronic care institutions. The elderly subjects were divided into three groups according to their walking ability. The muscle thickness of the following ten lower limb muscles were measured by B-mode ultrasound: the gluteus maximus, gluteus medius, gluteus minimus, psoas major, rectus femoris, vastus lateralis, vastus intermedius, biceps femoris, gastrocnemius and soleus. Compared to the young group, muscle thicknesses of all muscles except the soleus muscle were significantly smaller in all the elderly groups. There were no significant differences between the fast- and slow-walking groups in the thickness of any muscle. In the dependent elderly group, noticeable muscle atrophy was observed in the quadriceps femoris muscle. The results of this study suggest that the elderly who are capable of locomotion, regardless of their walking speed, show a moderate degree of age-related atrophy, while those who do not walk exhibit more severe atrophy, especially in the quadriceps femoris muscle.
Rights: The final publication is available at www.springerlink.com
この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。This is not the published version. Please cite only the published version.
URI: http://hdl.handle.net/2433/142588
DOI(Published Version): 10.1007/s00421-010-1728-8
PubMed ID: 21082193
Appears in Collections:Journal Articles

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