PNF and Movement 2022; 20(1): 83-90
https://doi.org/10.21598/JKPNFA.2022.20.1.83
The Immediate Effect of Hip Flexor Stretching with Pelvic Fixation on Hip Extension Flexibility and Gait Parameters in Subjects with Unilateral Hip flexor Shortness
Tae-Gyu Kim P.T., Ph.D,1⋅Young-Hoon Kim, R.D, Ph.D,1⋅Soo-Yong Kim, P.T., Ph.D.2†
1Department of Marine Sports, Pukyong National University
2Department of Physical Therapy, Pusan National University Yangsan Hospital
Correspondence to: †Soo-Yong Kim (gasigogi11@naver.com)
Received: March 15, 2022; Revised: March 29, 2022; Accepted: March 30, 2022; Published online: April 30, 2022.
© Korea Proprioceptive Neuromuscular Facilitation Association. All rights reserved.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Purpose: The purpose of this study was to investigate the immediate effects of hip flexor stretching with pelvic fixation on the flexibility of hip extension and gait capacity in subjects with limited hip extension flexibility.
Methods: Twenty-six subjects with limited hip extension flexibility were divided into two groups: a hip flexor stretching with pelvic fixation group (n = 13) and a hip flexor stretching without pelvic fixation group (n = 13). The subjects were assessed based on flexibility of hip extension, stride, and gait velocity after applying hip flexor stretching.
Results: The hip flexor stretching with pelvic fixation group showed significantly improved flexibility of hip extension, stride, and gait velocity compared with hip flexor stretching without pelvic fixation group (p <0.05). The flexibility of hip extension was significantly improved after application of hip flexor stretching in both groups; however, stride and gait velocity were significantly improved only in the hip flexor stretching with pelvic fixation group.
Conclusion: Hip flexor stretching with pelvic fixation is an effective intervention for improving the flexibility of hip extension and gait capacity.
Keywords: Hip flexor stretching, Hip extension flexibility, Gait

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