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Neuromuscular elect...
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Juthberg, R.Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
(författare)
Neuromuscular electrical stimulation in garments optimized for compliance
- Artikel/kapitelEngelska2023
Förlag, utgivningsår, omfång ...
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Springer,2023
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electronicrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:hb-29837
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https://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-29837URI
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https://doi.org/10.1007/s00421-023-05181-9DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-333870URI
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http://kipublications.ki.se/Default.aspx?queryparsed=id:152508331URI
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http://kipublications.ki.se/Default.aspx?queryparsed=id:237010623URI
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http://kipublications.ki.se/Default.aspx?queryparsed=id:155019386URI
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Språk:engelska
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Sammanfattning på:engelska
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Correction in DOI 10.1007/s00421-023-05211-6QC 20230815
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PurposePhysical inactivity is associated with muscle atrophy and venous thromboembolism, which may be prevented by neuromuscular electrical stimulation (NMES). This study aimed to investigate the effect on discomfort, current amplitude and energy consumption when varying the frequency and phase duration of low-intensity NMES (LI-NMES) via a sock with knitting-integrated transverse textile electrodes (TTE).MethodsOn eleven healthy participants (four females), calf-NMES via a TTE sock was applied with increasing intensity (mA) until ankle-plantar flexion at which point outcomes were compared when testing frequencies 1, 3, 10 and 36 Hz and phase durations 75, 150, 200, 300 and 400 µs. Discomfort was assessed with a numerical rating scale (NRS, 0–10) and energy consumption was calculated and expressed in milli-Joule (mJ). Significance set to p ≤ 0.05.Results1 Hz yielded a median (inter-quartile range) NRS of 2.4 (1.0–3.4), significantly lower than both 3 Hz with NRS 2.8 (1.8–4.2), and 10 Hz with NRS 3.4 (1.4–5.4) (both p ≤ .014). Each increase in tested frequency resulted in significantly higher energy consumption, e.g. 0.6 mJ (0.5–0.8) for 1 Hz vs 14.9 mJ (12.3–21.2) for 36 Hz (p = .003). Longer phase durations had no significant effect on discomfort despite generally requiring significantly lower current amplitudes. Phase durations 150, 200 and 400 µs required significantly lower energy consumption compared to 75 µs (all p ≤ .037).ConclusionLI-NMES applied via a TTE sock produces a relevant plantar flexion of the ankle with the best comfort and lowest energy consumption using 1 Hz and phase durations 150, 200 or 400 µs.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Flodin, J.Karolinska Institutet
(författare)
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Guo, LiHögskolan i Borås,Akademin för textil, teknik och ekonomi,Polymeric E- textiles Group,Smart Textiles and Polymeric E-textiles, Swedish School of Textiles, University of Borås, Borås, Sweden(Swepub:hb)GUO
(författare)
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Rodriguez, SaulKTH,Elektronik och inbyggda system,School of Electrical Engineering and Computer Science, KTH Royal Institute of Technology, Stockholm, Sweden(Swepub:kth)u1vuponf
(författare)
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Persson, Nils-KristerHögskolan i Borås,Akademin för textil, teknik och ekonomi,Polymeric E- textiles Group,Smart Textiles and Polymeric E-textiles, Swedish School of Textiles, University of Borås, Borås, Sweden(Swepub:hb)nkp
(författare)
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Ackermann, P. W.Karolinska Institutet
(författare)
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Karolinska InstitutetDepartment of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:European Journal of Applied Physiology: Springer1439-63191439-6327
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