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| Tweet Topic Started: Jul 7 2015, 06:10 AM (14 Views) | |
| gongnn132 | Jul 7 2015, 06:10 AM Post #1 |
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Brooks Running is giving you options. They¡¯ve got more cutting-edge running shoes than I care to count (many of which I¡¯m sure have violated social events), but only recently have they entered the vintage running shoe game. Hallelujah. The Brooks Heritage Footwear Collection dropped this March to celebrate their 100-year anniversary, and the Brooks Vanguard is a fitting name for one of two shoes that could very well change your ability to get a date. What the researchers found was that the habitually unshod group had the widest feet, and both groups of Indians had longer feet when corrected for overall body size than the Belgians. In other words, the Belgians had short, scrawny feet compared to the Indians (take a look at Figure 3 from the D¡¯Aout paper if you want to see what normal human feet that have not been deformed by footwear should look like). When they looked at plantar pressure distributions during walking, they found that the habitually barefoot group used more of the foot surface to disperse pressure (particularly in the region of the midfoot), whereas the Belgians tended to exhibit stronger and more localized pressure peaks under the heel and under the 2nd and 3rd metatarsal heads. The authors conclude their abstract with the following: Taken together, these two studies show that Nike Air Max 1 Damen Kaufen minimal shoes increase pressures under the forefoot, and rocker shoes decrease pressure under the forefoot relative to a traditionally cushioned running shoe (I believe the same traditional shoe was used in both studies). This suggests a potential benefit of a rocker sole shoe in the management of conditions that cause forefoot pain while running. Does this mean that everyone experiencing forefoot pain should run out and buy a pair of Hokas or the Altra Paradigm/Olympus (I believe Scott also makes rocker sole shoes with a lower profile)? Not exactly. The rocker shoe in this study was stiff and heavy (almost 15oz per shoe), not a Hoka, so it¡¯s not necessarily possible to generalize the results. However, they do suggest that trying a shoe with a sole rocker might be worth a shot if you¡¯re dealing with nagging forefoot pain. 11. Forefoot striking has been shown to reduce vertical impact peak (many studies, Lieberman et al., 2010 is a recent example) and vertical impact loading rate (Oakley and Pratt, 1988; Williams et al., 2000) relative to heel striking. Data showing no difference between forefoot and rearfoot impact loading rate is out there (e.g., Laughton et al., 2003), but data are limited that involve people well acclimated to multiple landing types. Data on loading rates are sometimes difficult to interpret if runners are not acclimated to a barefoot running style ¨C for example, De Wit et al., 2000 showed dramatically increased vertical loading rate in barefoot runners compared to shod runners, but their barefoot runners were heel striking. One would fully expect a barefoot heel strike to exhibit a higher loading rate since little cushion other than the heel fat pad is present to slow down force application. Lieberman et al., 2010 showed that habitually barefoot runners overwhelmingly land on the forefoot, which suggests caution when interpreting studies of barefoot heel strikers (who were probably unaccustomed to running barefoot). 14. Studies that have assigned shoes to runners based on static measures of the foot (e.g., arch height, Nike Air Max 1 Herren Outlet foot posture index) have shown little benefit when shoes are assigned either appropriately vs. inappropriately based on the static measure (Ryan et al., 2010; Knapik et al., 2009; Knapik et al., 2010a; Knapik et al., 2010b). These results show that either static measures are not a good way to assign shoes (so much for the wet footprint test!), or that pronation control is not a good basis on which to choose a shoe. For summaries of this work, read my post on the pronation control paradigm or a great articl Nike Air Max 90 G¨¹nstig Kaufen e on the topic from Gretchen Reynolds of the NY Times. |
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