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Title: Age-related muscle atrophy in the lower extremities and daily physical activity in elderly women.
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: Age-related muscle atrophy
Ultrasonographic assessment
Lower limb muscles
Daily physical activity
Elderly women
Issue Date: Sep-2011
Publisher: Elsevier Ireland Ltd.
Journal title: Archives of gerontology and geriatrics
Volume: 53
Issue: 2
Start page: e153
End page: e157
Abstract: This study investigated the relationship between age-related declines in muscle thickness of the lower extremities and daily physical activity in elderly women. The subjects comprised 20 young women and 17 elderly women residing in a nursing home. Lower limb muscle thickness was measured by B-mode ultrasound with the following 10 muscles; gluteus maximus, gluteus medius, gluteus minimus, psoas major, rectus femoris, vastus lateralis, vastus intermedius, biceps femoris, gastrocnemius and soleus. Daily physical activity was evaluated using life-space assessment (LSA) which assessed the life-space level, degree of independence, and frequency of attainment. Muscle thickness in the gluteus maximus, gluteus medius, gluteus minimus, psoas major, rectus femoris, vastus lateralis, vastus intermedius, biceps femoris and gastrocnemius, but not soleus, was significantly greater in the young group than the elderly group. The greatest rates of age-related loss of skeletal muscle mass in the lower limbs showed in the psoas major, while the smallest loss showed in soleus muscle. Only the gluteus medius was significantly associated with the LSA score (r=0.528, p<0.05) in elderly women. These results suggest that the reduction in skeletal mass with age is smaller in soleus muscle, and that the age-related decline in gluteus medius muscle is influenced by daily physical activity.
Rights: © 2011 Elsevier Ireland.
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/2433/143669
DOI(Published Version): 10.1016/j.archger.2010.08.003
PubMed ID: 20832875
Appears in Collections:Journal Articles

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