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Title: Effect of hip and knee position on tensor fasciae latae elongation during stretching: An ultrasonic shear wave elastography study
Authors: Umehara, Jun
Ikezoe, Tome  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0001-8546-5912 (unconfirmed)
Nishishita, Satoru
Nakamura, Masatoshi
Umegaki, Hiroki
Kobayashi, Takuya
Fujita, Kosuke
Ichihashi, Noriaki  kyouindb  KAKEN_id
Author's alias: 梅原, 潤
池添, 冬芽
西下, 智
中村, 雅俊
梅垣, 雄心
小林, 拓也
藤田, 康介
市橋, 則明
Keywords: Ultrasonic shear wave elastography
Tensor fasciae latae
Stretching
Issue Date: Dec-2015
Publisher: Elsevier Ltd
Journal title: Clinical Biomechanics
Volume: 30
Issue: 10
Start page: 1056
End page: 1059
Abstract: Background: Decreased flexibility of the tensor fasciae latae is one factor that causes iliotibial band syndrome. Stretching has been used to improve flexibility or tightness of the muscle. However, no studies have investigated the effective stretching position for the tensor fasciae latae using an index to quantify muscle elongation in vivo. The aim of this study was to investigate the effects of hip rotation and knee angle on tensor fasciae latae elongation during stretching in vivo using ultrasonic shear wave elastography. Methods: Twenty healthy men participated in this study. The shear elastic modulus of the tensor fasciae latae was calculated using ultrasonic shear wave elastography. Stretching was performed at maximal hip adduction and maximal hip extension in 12 different positions with three hip rotation conditions (neutral, internal, and external rotations) and four knee angles (0°, 45°, 90°, and 135°). Findings: Two-way analysis of variance showed a significant main effect for knee angle, but not for hip rotation. The post-hoc test for knee angle indicated that the shear elastic modulus at 90° and 135° were significantly greater than those at 0° and 45°. Interpretation: Our results suggest that adding hip rotation to the stretching position with hip adduction and extension may have less effect on tensor fasciae latae elongation, and that stretching at > 90° of knee flexion may effectively elongate the tensor fasciae latae.
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 December 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/2433/231217
DOI(Published Version): 10.1016/j.clinbiomech.2015.09.007
PubMed ID: 26388173
Appears in Collections:Journal Articles

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