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Geregistreerd op: 23 Apr 2018
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Denne unders酶gelse giver yderligere bekr忙ftelse p氓 et m酶nster Jake Fisher Limited Jersey , som vi begynder at se igen og igen. Det vil sige: barfodet l酶bende mekanik er anderledes end skodk酶rende mekanik, is忙r n氓r man sammenligner barfodet med en br酶ndpolstret sko. Barefoot l酶b tendens til at reducere arbejde udf酶rt af kn忙et og 酶ge arbejdet udf酶rt af anklen. Ud fra et terapeutisk synspunkt kan barfodet l酶b have fordele for dem med kn忙problemer, men kan l忙gge foden, ankelen, akillen og kalven i st酶rre risiko. S氓ledes er kendskab til den enkelte l酶ber og deres behov svagheder afg酶rende for at undg氓 at handle et s忙t skader Nike Air Max Classic BW Damen for en anden.
Hvad jeg is忙r 酶nsket om denne unders酶gelse er, at forfatterne var meget 氓bne om at indr酶mme sine begr忙nsninger. For eksempel peger de p氓, at Nike Free har en hel del pude og en forh酶jet h忙l. Almindelige barfodet hopper over alle, der h忙vder, at Nike Free replikerer barfodet, og denne unders酶gelse ser ud til at bevise dem rigtigt, i hvert fald med hensyn til, hvordan det p氓virker biomekanikken (og meget til Nike-marketingens sk忙bne …). Unders酶gelser af mindre polstrede sko (fx Vibram Fivefingers) har afsl酶ret mere lighed med barfodet l酶bende, men selv ultraminimale sko synes ikke at v忙re en perfekt efterligning til at l酶be uden fodt酶j. De indr酶mmer ogs氓, at ved ikke at Adidas Superstar Dames Zwart kontrollere standardskoen, kan de m氓ske ikke s氓 let opdage forskelle mellem de minimale og mere traditionelle sko.
Et andet vigtigt punkt, som forfatterne understreger, er at deres fag var meget h酶jtuddannede l酶bere, og Nike Air Huarache Womenssom f酶lge heraf kunne de “allerede have meget konsekvent l酶be mekanik og forskellige typer sko har ringe indflydelse p氓 deres l酶bende gang.” De indikerer, at “det er muligt at mindre uddannede l酶bere med mindre konsekvent mekanik kan v忙re mere modtagelige for 忙ndringer i l酶bem酶nster, n氓r de bruger en minimalistisk sko. “Som altid skal man overveje de emner og betingelser, der blev unders酶gt, n氓r man anvendte resultaterne af et videnskabeligt studie, og jeg havde engang elsker igen at se Adidas Gazelle Womens p氓 individuelle variationer.
Forfatterne rekrutterede 22 h酶jtuddannede l酶bere p氓 h酶jt niveau (gennemsnitlig 10K-tid p氓 33 minutter) og gav dem hver med et par Nike Free 3.0 og Nike Lunracer 2 l酶besko. Nike Air Max 2016 Donna De fik 10 dage til at k酶re et par gange barfodet og i de nye sko, s氓 hver tilstand ikke ville v忙re helt roman. De l酶b ogs氓 i deres s忙dvanlige l酶besko (som i gennemsnit var ca. 125-140 g tyngre end de to lette sko).
Forskerne filmade l酶berne med et 22-kamera 3D Vicon-system p氓 et indend酶rs spor og m氓lt kraft ved hj忙lp af 8 kraftplader (dette var en temmelig h酶jkaliber ops忙tning). Kombinationen af kameraer og plader tillod dem at indfange biomekaniske data fra en 20m lang sektion af sporet.
Nike Air Huarache Womens Efter en opvarmning udf酶rte hver l酶ber 10 l酶bende fors酶g i hver af de fire betingelser (barfodet, fri, lunaracer, variabel standardsko). Gennemsnitlige hastigheder var 4,48 m s (ca. 6:00 mile) under fors酶Nike Air Max Thea Mujergene, s氓 de l酶b langt hurtigere end de fleste rekreative l酶bere.
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