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This article and any supplementary material should be cited as follows: Fenuta AM, Hicks AL. Muscle activation during body weight-supported locomotion.

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Presentation on theme: "This article and any supplementary material should be cited as follows: Fenuta AM, Hicks AL. Muscle activation during body weight-supported locomotion."— Presentation transcript:

1 This article and any supplementary material should be cited as follows: Fenuta AM, Hicks AL. Muscle activation during body weight-supported locomotion while using the ZeroG. J Rehabil Res Dev. 2014;51(1):xx–xx. http://dx.doi.org/10.1682/JRRD.2013.01.0005 Slideshow Project DOI:10.1682/JRRD.2013.01.0005JSP Muscle activation during body weight-supported locomotion while using the ZeroG Alyssa M. Fenuta, HBSc; Audrey L. Hicks, PhD

2 This article and any supplementary material should be cited as follows: Fenuta AM, Hicks AL. Muscle activation during body weight-supported locomotion while using the ZeroG. J Rehabil Res Dev. 2014;51(1):xx–xx. http://dx.doi.org/10.1682/JRRD.2013.01.0005 Slideshow Project DOI:10.1682/JRRD.2013.01.0005JSP Aim – Collect normative data from walking trials in nondisabled participants using ZeroG body-weight supported overground walking device at varying degrees of body-weight support (BWS). Relevance – Body weight-supported overground walking device equipped with motor that moves along overhead track independent of user is needed so that drag force created by the system will not affect gait performance.

3 This article and any supplementary material should be cited as follows: Fenuta AM, Hicks AL. Muscle activation during body weight-supported locomotion while using the ZeroG. J Rehabil Res Dev. 2014;51(1):xx–xx. http://dx.doi.org/10.1682/JRRD.2013.01.0005 Slideshow Project DOI:10.1682/JRRD.2013.01.0005JSP Method Muscle activity during locomotion using this device was studied in 13 nondisabled adults. Electromyography recordings were collected from tibialis anterior (TA), medial gastrocnemius (MG), rectus femoris (RF), and biceps femoris muscles during randomized walking trials at preferred speeds under five levels of BWS (0%, 20%, 40%, 60%, 80%).

4 This article and any supplementary material should be cited as follows: Fenuta AM, Hicks AL. Muscle activation during body weight-supported locomotion while using the ZeroG. J Rehabil Res Dev. 2014;51(1):xx–xx. http://dx.doi.org/10.1682/JRRD.2013.01.0005 Slideshow Project DOI:10.1682/JRRD.2013.01.0005JSP Results Muscle activity, averaged across muscles, decreased significantly at heel strike by 33.4% with increasing BWS. Offloading significantly decreased heel strike activity of RF (62.8%), MG (35.5%), and TA (25.9%). Gait cycle completion time increased with BWS primarily because of increased swing phase time.

5 This article and any supplementary material should be cited as follows: Fenuta AM, Hicks AL. Muscle activation during body weight-supported locomotion while using the ZeroG. J Rehabil Res Dev. 2014;51(1):xx–xx. http://dx.doi.org/10.1682/JRRD.2013.01.0005 Slideshow Project DOI:10.1682/JRRD.2013.01.0005JSP Conclusion These results summarizing effects of BWS on muscle activation during ambulation can now be compared with clinical populations using ZeroG.

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