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Title: Age-Related ultrasound changes in muscle quantity and quality in women
Authors: Fukumoto, Yoshihiro
Ikezoe, Tome  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0001-8546-5912 (unconfirmed)
Yamada, Yosuke
Tsukagoshi, Rui
Nakamura, Masatoshi
Takagi, Yui
Kimura, Misaka
Ichihashi, Noriaki  kyouindb  KAKEN_id
Author's alias: 福元, 喜啓
池添, 冬芽
中村, 雅俊
市橋, 則明
Keywords: Muscle quality
Muscle quantity
Trunk muscles
Ultrasonography
Issue Date: Nov-2015
Publisher: Elsevier USA
Journal title: Ultrasound in Medicine and Biology
Volume: 41
Issue: 11
Start page: 3013
End page: 3017
Abstract: This study investigated the age-related changes in muscle quantity and quality in the trunk and limbs of women. A total of 128 females were divided into four age groups: young, middle-aged, young-old and old-old. Muscle thickness (MT) and echo intensity (EI) of the biceps brachii, quadriceps femoris, rectus abdominis, external oblique, internal oblique and transversus abdominis were measured using B-mode ultrasonography. The EIs of the biceps brachii, quadriceps femoris and transversus abdominis were significantly higher in the middle-aged group than in the young group; however, there were no significant differences in MT. Compared with the young group, all other groups had significant changes in both MT and EI of the rectus abdominis, external oblique and internal oblique muscles. Thus, qualitative changes in muscle may occur earlier than quantitative changes, and loss of muscle mass may occur earlier in the superficial abdominal muscles than in the other muscles.
Rights: © 2015. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ The full-text file will be made open to the public on 01 November 2016 in accordance with publisher's 'Terms and Conditions for Self-Archiving'. This is not the published version. Please cite only the published version. 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。
URI: http://hdl.handle.net/2433/231219
DOI(Published Version): 10.1016/j.ultrasmedbio.2015.06.017
PubMed ID: 26278633
Appears in Collections:Journal Articles

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