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- Patton, Declan A.Federat Univ Australia, Australian Collaborat Res Injury Sport & Its Preve, Ballarat, Vic 3350, Australia.;Norwegian Sch Sport Sci, Oslo Sports Trauma Res Ctr OSTRC, N-0863 Oslo, Norway.;Univ Calgary, Fac Kinesiol, Sport Injury Prevent Res Ctr SIPRC, Calgary, AB T2N 1N4, Canada.;Childrens Hosp Philadelphia, Ctr Injury Res & Prevent, Philadelphia, PA 19104 USA. (författare)
Radial and Oblique Impact Testing of Alpine Helmets onto Snow Surfaces
- Artikel/kapitelEngelska2023
Förlag, utgivningsår, omfång ...
- 2023-03-08
- MDPI AG,2023
- printrdacarrier
Nummerbeteckningar
- LIBRIS-ID:oai:DiVA.org:kth-325760
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-325760URI
- https://doi.org/10.3390/app13063455DOI
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- Språk:engelska
- Sammanfattning på:engelska
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Anmärkningar
- QC 20230414
- Recent studies have found that alpine helmets reduce the risk of focal injuries associated with radial impacts, which is likely due to current alpine helmet standards requiring helmets to be drop-tested on flat anvils with only linear acceleration pass criteria. There is a need to evaluate the performance of alpine helmets in more realistic impacts. The current study developed a method to assess the performance of alpine helmets for radial and oblique impacts on snow surfaces in a laboratory setting. Snow samples were collected from a groomed area of a ski slope. Radial impacts were performed as drop tests onto a stationary snow sample. Oblique impacts were performed as drop tests onto a snow sample moving horizontally. For radial impacts, snow sample collection time was found to significantly (p = 0.005) influence mean peak linear headform acceleration with an increase in ambient temperature softening the snow samples. For oblique tests, the recreational alpine sports helmet with a rotation-damping system (RDS) significantly (p = 0.002) reduced mean peak angular acceleration compared to the same helmets with no RDS by approximately 44%. The ski racing helmet also significantly (p = 0.006) reduced mean peak angular acceleration compared to the recreational alpine sports helmet with no RDS by approximately 33%, which was attributed to the smooth outer shell of the ski racing helmet. The current study helps to bridge the knowledge gap between real helmet impacts on alpine snow slopes and laboratory helmet impacts on rigid surfaces.
Ämnesord och genrebeteckningar
- TEKNIK OCH TEKNOLOGIER Medicinteknik Annan medicinteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Medical Engineering Other Medical Engineering hsv//eng
- alpine sports
- head injury
- helmets
- impact biomechanics
- injury prevention
- protective equipment
- skiing
- snowboarding
Biuppslag (personer, institutioner, konferenser, titlar ...)
- Mohammadi, RezaKTH,Neuronik(Swepub:kth)u15smluo (författare)
- Halldin, PeterKTH,Neuronik(Swepub:kth)u1dqoxa0 (författare)
- Kleiven, Svein,1966-KTH,Neuronik(Swepub:kth)u1aqbjml (författare)
- McIntosh, Andrew S.Federat Univ Australia, Australian Collaborat Res Injury Sport & Its Preve, Ballarat, Vic 3350, Australia.;McIntosh Consultancy & Res, Sydney, NSW 2090, Australia. (författare)
- Federat Univ Australia, Australian Collaborat Res Injury Sport & Its Preve, Ballarat, Vic 3350, Australia.;Norwegian Sch Sport Sci, Oslo Sports Trauma Res Ctr OSTRC, N-0863 Oslo, Norway.;Univ Calgary, Fac Kinesiol, Sport Injury Prevent Res Ctr SIPRC, Calgary, AB T2N 1N4, Canada.;Childrens Hosp Philadelphia, Ctr Injury Res & Prevent, Philadelphia, PA 19104 USA.Neuronik (creator_code:org_t)
Sammanhörande titlar
- Ingår i:Applied Sciences: MDPI AG13:6, s. 3455-2076-3417
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