We have located links that may give you full text access.
Effects of body weight unloading on electromyographic activity during overground walking.
Journal of Electromyography and Kinesiology 2015 August
BACKGROUND: Body weight unloading (BWU) on treadmills is a common method of gait rehabilitation. However, treadmills slightly but significantly modify gait biomechanical parameters thus confound the effects of BWU. By conducting our experiments under conditions that replicate daily walking and controlling for speed variability, with a mechanical device designed to pull the BWU system at a constant speed, this study could assess the unique effects of BWU on gait electromyography (EMG) of healthy subjects.
METHODS: Fifteen healthy subjects walked overground in a control (no suspension vest) and three (0%, 15%, 30%) BWU experimental conditions. The EMG activity of the Tibialis Anterior (TA), Lateral Gastrocnemius (LG), Vastus Lateralis (VL), and Rectus Femoris (RF) were recorded (six trials per condition).
RESULTS: ANOVA showed significant differences in the peak activity and integrated EMG of the TA, LG and VL. Pairwise comparisons of EMG parameters under 0% vs. 15% and 15% vs. 30% BWU levels showed that the increase in BWU levels decreased the peak and integrated EMG of the TA, LG, and VL without pattern modification.
CONCLUSION: Overground gait with up to 30% BWU reduces joint loads without modifying the muscle activation patterns. Several clinical applications for overground gait reeducation with BWU are suggested.
METHODS: Fifteen healthy subjects walked overground in a control (no suspension vest) and three (0%, 15%, 30%) BWU experimental conditions. The EMG activity of the Tibialis Anterior (TA), Lateral Gastrocnemius (LG), Vastus Lateralis (VL), and Rectus Femoris (RF) were recorded (six trials per condition).
RESULTS: ANOVA showed significant differences in the peak activity and integrated EMG of the TA, LG and VL. Pairwise comparisons of EMG parameters under 0% vs. 15% and 15% vs. 30% BWU levels showed that the increase in BWU levels decreased the peak and integrated EMG of the TA, LG, and VL without pattern modification.
CONCLUSION: Overground gait with up to 30% BWU reduces joint loads without modifying the muscle activation patterns. Several clinical applications for overground gait reeducation with BWU are suggested.
Full text links
Related Resources
Get seemless 1-tap access through your institution/university
For the best experience, use the Read mobile app
All material on this website is protected by copyright, Copyright © 1994-2024 by WebMD LLC.
This website also contains material copyrighted by 3rd parties.
By using this service, you agree to our terms of use and privacy policy.
Your Privacy Choices
You can now claim free CME credits for this literature searchClaim now
Get seemless 1-tap access through your institution/university
For the best experience, use the Read mobile app