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Labi1995 · Clubopener Geregistreerd op: 19 Jan 2019 Berichten: 322

Of course, as running velocity increases, more and more runners become Adidas ZX 700 Femme midfoot strikers and forefoot strikers and as running velocity decreases, more runners become heel Adidas Ultra Boost Damen strikers. We have known this for decades.What I am referring to is the fact that the research tends to support the idea that many runners choose to heel strike while in running shoes (70% or more) since they are probably more metabolically efficient in running like this than running with a true midfoot-striking or forefoot-striking pattern at slower running speeds.
Here is one study where a group of triathletes were trained to run with a Pose method (more midfoot-striking) for 12 weeks and suffered from decreased metabolic running efficiency as a result (Dallam GF, Wilber RL, Jadeles K, Fletcher G, Romanov N: Effect of a global alteration on running technique on kinematics and economy. J Sports Sciences, 23:757-764, 2005.) Please note that inventor of the Pose technique, Nick Romanov, was one of the researchers in the Nike Air Max 2017 Dames study.“Of course, as running velocity increases, more and more runners become midfoot strikers and forefoot strikers and as running velocity decreases, more runners become heel strikers. We have known this for decades.What I am referring to is the fact that the research tends to support the idea that many runners choose to heel strike while in running shoes (70% or more) since they are probably more metabolically efficient in running like this than running with a true midfoot-striking or forefoot-striking pattern at slower running speeds. “I don’t think the releationship between running speed and landing type can explain why a dispropproptionate fewer number of heel strikers are at the front of races, as when you look at the nature of the transition from heel strike to non heel strike it’s quite different for different classes of Nike Air Max 270 Femme runners. Habitual midfoot and forefoot runners will transition directly from heel strike when transitioning www.melanieo.fr from walking to running, it’s not a matter of running speed effecting the landing – they always land on their midfoot or forefoot. From my own experience, and looking at others accounts, what can break this direct transition is wearing trainers with a significant heel drop.Habitual heel-strikers will only transistion to a midfoot and forefoot landing as they approach sprinting speeds. I would very much doubt a habitual heel-striker to transition to non heel-striking at marathon speeds. I would also suspect that the amount of heel drop will effect the speed at which transition occurs.Research that Pete has previously discussed in his blog illustrate that habitual heel-strikers will remain heel strikers even with very Nike Air Presto Mujer low or zero drop shoes. For habitual heel-strikers it seems to take going barefoot to prompt a transition Nike Air Max 270 Femme at low running speeds. It’s not a matter of metabolic efficiency that forces the transition – it’s comfort as heel striking without any padding or distribution of the impact loads are just plain painful.Things work the other way – a habitual midfoot or forefoot runner will resist a heel landing until the heel drop becomes too great to make comfortable for land on their midfoot/forefoot. A higher heel drop shoe makes a midfoot/forelanding less comfortable due to the unnatural amount of planter flexion required to avoid the heel strike and the movement of the foot within the shoes on landing due to the sloping surface presented by the insole. Again I’d stress it’s not matter of finding a footstrike that maximizes metabolic Adidas Superstar Femme efficiency it’s a case of doing what is comfortable.For the majority of running shoes sold today it’s Nike Air Span 2 Herren just unpleasant to try and run on your mid-foot let alone forefoot, the only comfortable way to run in most modern running shoes is to heel strike. And… what do we have out there… the majority of recreational runners are heel striking and throwing in a heap of over striding with it. Are you going to tell us all those runners are landing with locked knees because it’s more efficient metabolically??? “Here is one study where a group of triathletes were trained to run with a Pose method (more midfoot-striking) for 12 weeks and suffered from decreased metabolic running efficiency as a result (Dallam GF, Wilber RL, Jadeles K, Fletcher G, Romanov N: Effect of ….”