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  • Halder, AmitavaLund University,Lunds universitet,Ergonomi och aerosolteknologi,Institutionen för designvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Integrativ fysiologi,Forskargrupper vid Lunds universitet,Ergonomics and Aerosol Technology,Department of Design Sciences,Departments at LTH,Faculty of Engineering, LTH,Integrative Physiology,Lund University Research Groups (author)

Gait Biomechanics While Walking Down an Incline After Exhaustion

  • Article/chapterEnglish2023

Publisher, publication year, extent ...

  • 2023
  • electronicrdacarrier

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  • LIBRIS-ID:oai:lup.lub.lu.se:7806e531-60b3-4d02-8183-fe49f20c81a9
  • https://lup.lub.lu.se/record/7806e531-60b3-4d02-8183-fe49f20c81a9URI
  • https://doi.org/10.1007/s10694-023-01402-xDOI

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  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype

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  • This gait biomechanics study investigated stride length (SL), stride duration (SDN), the peak values of ground reaction forces (GRFspeak), required coefficient of friction (RCOFpeak), leg joints’ angles (anglepeak), angular velocity (angvelx.peak), angular acceleration (angaccx.peak), minimum angle (anglemin.) of the foot, and muscles’ electromyography (EMG) during the stance phase (SP) of the dominant leg following an exhaustive stair ascent on a stair machine. Data were collected by a three-dimensional motion capture system synchronized with EMG and force plate while walking down a 10° inclined stationary walkway. Although the leg muscles’ EMG showed no significant local muscle fatigue (LMF) during post-exhaustive walking downwards, the SL was significantly (p < 0.05) shorter than the pre-exhaustive. The mean vertical GRFzpeak. was significantly (p ≤.01) reduced during late stance (LS) phase, however, the antero-posterior GRFypeak. was found to be significantly (p ≤ 0.01) higher. The RCOFpeak. was significantly (p ≤.05) higher during the post-exhaustive walking downwards, LS phase. The available coefficient of friction value of ~ 0.350 seems to be the RCOF to reduce slips and falls on an inclined dry surface. None of the post-exhaustive lower limb joints’ anglepeak, anglemin., ang.velx.peak, and ang.accx.peak were significantly changed in post-exhaustion walking, except the knee ang.accx.peak., which was significantly (p < 0.05) increased during the LS period. The constrained post-exhaustive gait biomechanics indicate a perturbed gait, which may increase the risks for slips and fall-related accidents, when walking downwards and working on slopes. However, the non-significant joint angle changes imply that walking down is less demanding in a kinesiological perspective compared to walking up an incline.

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  • Nordin, AxelLund University,Lunds universitet,Innovation,Institutionen för designvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Design Sciences,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)mkon-aln (author)
  • Miller, MichaelLund University,Lunds universitet,Rehabilitering och hållbar hälsa,Forskargrupper vid Lunds universitet,Rehabilitation and Sustainable Health,Lund University Research Groups(Swepub:lu)sgym-mmi (author)
  • Gao, ChuansiLund University,Lunds universitet,Metalund,Annan verksamhet, LTH,Lunds Tekniska Högskola,Ergonomi och aerosolteknologi,Institutionen för designvetenskaper,Institutioner vid LTH,Centrum för hälsosamma inomhusmiljöer, CHIE,Annan verksamhet, LTH,LTH profilområde: Cirkulär byggindustri,LTH profilområden,Other operations, LTH,Faculty of Engineering, LTH,Ergonomics and Aerosol Technology,Department of Design Sciences,Departments at LTH,Faculty of Engineering, LTH,Centre for Healthy Indoor Environments,Other operations, LTH,Faculty of Engineering, LTH,LTH Profile Area: Circular Building Sector,LTH Profile areas,Faculty of Engineering, LTH(Swepub:lu)desi-gch (author)
  • Ergonomi och aerosolteknologiInstitutionen för designvetenskaper (creator_code:org_t)

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  • In:Fire Technology59:4, s. 1833-18631572-8099

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Halder, Amitava
Nordin, Axel
Miller, Michael
Gao, Chuansi
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MEDICAL AND HEALTH SCIENCES
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and Physiotherapy
MEDICAL AND HEALTH SCIENCES
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