The effect of the type of running shoe as well as running technique on economy of running has obviously been of interest in recent years. It can often be a trade-off between the weight of a shoe; the energy return from the shoe; and the increased muscular effort to midfoot or forefoot strike (and the surface being run on will also factor in as well). Up until recently, most of the studies were showing mixed results on the effects of running technique and shoes on the metabolic cost of running
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Running Shoes and Economy of Running