학술논문
The Effects of Simulated Mild Leg Length Discrepancy on Gait Parameters and Trunk Acceleration
이용수 5
- 영문명
- 발행기관
- 한국전문물리치료학회
- 저자명
- Soo-jung Jung Duk-hyun An Sun-shil Shin
- 간행물 정보
- 『한국전문물리치료학회지』한국전문물리치료학회지 제25권 제4호, 9~18쪽, 전체 10쪽
- 주제분류
- 의약학 > 의학일반
- 파일형태
- 발행일자
- 2018.10.30
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국문 초록
영문 초록
Background: Leg length discrepancy (LLD) leads to many musculoskeletal disorders and affects daily activities such as walking. In the majority of the population, mild LLD is a common condition.
Nevertheless, it is still controversy among researchers and clinicians on the effects of mild LLD during gait, and available studies have largely overlooked this issue.
Objects: The purpose of the present study is to investigate the effects of mild LLD on the gait parameters and trunk acceleration.
Methods: A total of 15 female and male participants with no evidence of LLD of >.5 ㎝ participated in the present study. All participants walked under the following two conditions: (1) The non-LLD condition, where the participants walked in shoes of the same heel height; (2) A mild LLD condition induced by wearing a 1.5 ㎝ higher heel on the right shoe. The GAITRite system and tri-axial accelerometer were used to measure gait parameters and trunk acceleration. To compare the variation of each variable, a paired t-test was performed.
Results: Compared to the non-LLD condition, step time and swing phase were significantly increased in the mild LLD condition, while stance phase, single support phase, and double support phase significantly decreased in the short limb (p<.05). In the long limb of the mild LLD condition, single support phase significantly increased, while swing phase significantly decreased (p<.05). Furthermore, significant decrease in the gait velocity and cadence in the mild LLD condition were observed (p<.05). In the comparison between both limbs in the mild LLD condition, the step time and swing phase of the short limb significantly increased compared with the long limb, while step length, stance phase, and single support phase of the long limb significantly increased compared with the short limb (p<.05).
Additionally, trunk acceleration of all directions (anterior-posterior, medial-lateral, vertical) significantly increased in the mild LLD condition (p<.05).
Conclusion: The results of the present study demonstrate that mild LLD causes altered and asymmetrical gait patterns and affects the trunk, resulting in inefficient gait. Therefore, mild LLD should not be overlooked and requires adequate treatment.
목차
Introduction
Methods
Results
Discussion
Conclusion
해당간행물 수록 논문
- The Effects of Simulated Mild Leg Length Discrepancy on Gait Parameters and Trunk Acceleration
- Effect of Posterior-Anterior Mobilization of the Thoracic Spine on Pain, Respiratory Function, and Thoracic Circumference in Patients With Chronic Low Back Pain
- The Relationship Between the Range of Hip Rotation and the Quadriceps Angle in Subjects With and Without Flat Foot
- Will Prone Trunk Extension Affect Scapular and Thoracic Kinematics and Muscle Activities During Scapular Posterior Tilting Exercise in Subjects With Round Shoulder and Flexed Posture?
- Core Stabilization With the Lumbar Extension Exercise in Low Back Pain
- Influence of Tibial Rotation on EMG Activities of Medial and Lateral Hamstrings During Maximal Isometric Knee Flexion
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