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This article and any supplementary material should be cited as follows: Smit CA, Legemate KJ, de Koning A, de Groot S, Stolwijk-Swuste JM, Janssen TW.

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Presentation on theme: "This article and any supplementary material should be cited as follows: Smit CA, Legemate KJ, de Koning A, de Groot S, Stolwijk-Swuste JM, Janssen TW."— Presentation transcript:

1 This article and any supplementary material should be cited as follows: Smit CA, Legemate KJ, de Koning A, de Groot S, Stolwijk-Swuste JM, Janssen TW. Prolonged electrical stimulation-induced gluteal and hamstring muscle activation and sitting pressure in spinal cord injury: Effect of duty cycle. J Rehabil Res Dev. 2013;50(7):1035–46. http://dx.doi.org/10.1682/JRRD.2012.07.0134 Slideshow Project DOI:10.1682/JRRD.2012.07.0134JSP Prolonged electrical stimulation- induced gluteal and hamstring muscle activation and sitting pressure in spinal cord injury: Effect of duty cycle Christof A. J. Smit, MD; Karin J. A. Legemate, MSc; Anja de Koning, MSc; Sonja de Groot, PhD; Janneke M. Stolwijk-Swuste, MD, PhD; Thomas W. J. Janssen, PhD

2 This article and any supplementary material should be cited as follows: Smit CA, Legemate KJ, de Koning A, de Groot S, Stolwijk-Swuste JM, Janssen TW. Prolonged electrical stimulation-induced gluteal and hamstring muscle activation and sitting pressure in spinal cord injury: Effect of duty cycle. J Rehabil Res Dev. 2013;50(7):1035–46. http://dx.doi.org/10.1682/JRRD.2012.07.0134 Slideshow Project DOI:10.1682/JRRD.2012.07.0134JSP Aim – Study effects of 2 duty cycles during 3 h of electrical stimulation (ES)-induced gluteal and hamstring activation on interface pressure distribution in sitting individuals with spinal cord injury (SCI) – Study usability of newly developed electrode garment (ES shorts). Relevance – Pressure ulcers (PUs) are highly prevalent in people with SCI. – ES activates muscles and might reduce risk factors.

3 This article and any supplementary material should be cited as follows: Smit CA, Legemate KJ, de Koning A, de Groot S, Stolwijk-Swuste JM, Janssen TW. Prolonged electrical stimulation-induced gluteal and hamstring muscle activation and sitting pressure in spinal cord injury: Effect of duty cycle. J Rehabil Res Dev. 2013;50(7):1035–46. http://dx.doi.org/10.1682/JRRD.2012.07.0134 Slideshow Project DOI:10.1682/JRRD.2012.07.0134JSP Method 10 individuals with SCI participated in study and completed questionnaire. 2 ES protocols with different duty cycles (1:1 vs 1:4 s on-off) were applied in counterbalanced order using custom-made ES shorts with built-in electrodes. Outcome variables: – Interface pressure of ischial tuberosities (ITs). – Pressure gradient.

4 This article and any supplementary material should be cited as follows: Smit CA, Legemate KJ, de Koning A, de Groot S, Stolwijk-Swuste JM, Janssen TW. Prolonged electrical stimulation-induced gluteal and hamstring muscle activation and sitting pressure in spinal cord injury: Effect of duty cycle. J Rehabil Res Dev. 2013;50(7):1035–46. http://dx.doi.org/10.1682/JRRD.2012.07.0134 Slideshow Project DOI:10.1682/JRRD.2012.07.0134JSP Results In both protocols: – ES significantly decreased average IT pressure compared with no ES. Protocol 1:4: – Showed less muscle fatigue. Usability of ES shorts: – Participants scored as satisfactory.

5 This article and any supplementary material should be cited as follows: Smit CA, Legemate KJ, de Koning A, de Groot S, Stolwijk-Swuste JM, Janssen TW. Prolonged electrical stimulation-induced gluteal and hamstring muscle activation and sitting pressure in spinal cord injury: Effect of duty cycle. J Rehabil Res Dev. 2013;50(7):1035–46. http://dx.doi.org/10.1682/JRRD.2012.07.0134 Slideshow Project DOI:10.1682/JRRD.2012.07.0134JSP Conclusion ES application – Significantly decreased IT pressure. Protocol 1:4 – Recommended because has less fatiguing effect. ES of the hamstrings and gluteal muscles might be promising method of preventing Pus. – But further study is needed.


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