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Lower back pain and healthy subjects exhibit distinct lower limb perturbation response strategies: a preliminary study

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Title: Lower back pain and healthy subjects exhibit distinct lower limb perturbation response strategies: a preliminary study
Authors: Sperry, MM
Phillips, ATM
McGregor, AH
Item Type: Journal Article
Abstract: BACKGROUND: It is hypothesized that inherent differences in movement strategies exist between control subjects and those with a history of lower back pain (LBP). Previous motion analysis studies focus primarily on tracking spinal movements, neglecting the connection between the lower limbs and spinal function. Lack of knowledge surrounding the functional implications of LBP may explain the diversity in success from general treatments currently offered to LBP patients. OBJECTIVE: This pilot study evaluated the response of healthy controls and individuals with a history of LBP (hLBP) to a postural disturbance. METHODS: Volunteers (n= 26) were asked to maintain standing balance in response to repeated balance disturbances delivered via a perturbation platform while both kinematic and electromyographic data were recorded from the trunk, pelvis, and lower limb. RESULTS: The healthy cohort utilized an upper body-focused strategy for balance control, with substantial activation of the external oblique muscles. The hLBP cohort implemented a lower limb-focused strategy, relying on activation of the semitendinosus and soleus muscles. No significant differences in joint range of motion were identified. CONCLUSIONS: These findings suggest that particular reactive movement patterns may indicate muscular deficits in subjects with hLBP. Identification of these deficits may aid in developing specific rehabilitation programs to prevent future LBP recurrence.
Issue Date: 24-Jan-2019
Date of Acceptance: 25-Jun-2018
URI: http://hdl.handle.net/10044/1/61876
DOI: https://dx.doi.org/10.3233/BMR-170808
ISSN: 1053-8127
Publisher: IOS Press
Start Page: 27
End Page: 35
Journal / Book Title: Journal of Back and Musculoskeletal Rehabilitation
Volume: 32
Issue: 1
Copyright Statement: © 2018 – IOS Press and the authors. All rights reserved.
Keywords: Science & Technology
Life Sciences & Biomedicine
Orthopedics
Rehabilitation
Lower back pain
balance
electromyography
posture
kinematics
MUSCLE
TRUNK
ACTIVATION
STABILITY
PATTERNS
SPINE
Lower back pain
balance
electromyography
kinematics
posture
Adult
Biomechanical Phenomena
Case-Control Studies
Electromyography
Female
Healthy Volunteers
Humans
Low Back Pain
Lower Extremity
Male
Movement
Muscle, Skeletal
Pilot Projects
Postural Balance
Posture
Range of Motion, Articular
Spine
Torso
Young Adult
Lower Extremity
Muscle, Skeletal
Spine
Humans
Low Back Pain
Electromyography
Range of Motion, Articular
Case-Control Studies
Pilot Projects
Posture
Movement
Adult
Female
Male
Postural Balance
Young Adult
Torso
Healthy Volunteers
Biomechanical Phenomena
Lower back pain
balance
electromyography
kinematics
posture
1106 Human Movement and Sports Sciences
Orthopedics
Publication Status: Published
Conference Place: Netherlands
Online Publication Date: 2018-07-23
Appears in Collections:Faculty of Engineering
Civil and Environmental Engineering
Division of Surgery
Faculty of Medicine



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