![]() Despite their heavier mass, advanced shoes resulted in similar RE as advanced spikes. ![]() CONCLUSIONS: Advanced footwear technology in track spikes improved RE ~2% relative to a traditional spike. However, on an individual level, we identified 7 of 11 subjects who showed a greater than 0.5% RE difference between their best shoe and spike, 4 of which favored a shoe and 3 a spike. These differences were statistically significant (p 0.99, n = 11). min -1) was 2.1 ± 1.0% lower in the first advanced spike (49.1 ± 1.7) and 1.8 ± 1.0% lower in the other advanced spike (49.3 ± 1.7) relative to the control spike (50.2 ± 1.6).Metabolic and running mechanics data were collected and averaged across visits. Male subjects tested all 7 footwear conditions, whereas female subjects only tested the 4 racing shoes and 1 advanced track spike due to some spike models being out of stock. hr -1 5-minute rest between trials) on Visit 1, and in the reverse/mirrored order on Visit 2. ![]() Shoes were tested in a random sequence over 5-minute trials (Males: 7 trials at 16 km METHODS: Four racing shoes (3 advanced, 1 control) and 3 track spikes (2 advanced, 1 control) were tested in 9 male and 2 female distance runners on 2 separate visits. PURPOSE: Quantify the RE benefit of advanced track spikes compared to a control spike and determine whether RE is optimized more in an advanced racing shoe or an advanced track spike. Furthermore, there has been no comparison of advanced spikes to advanced shoes. More recently, similar features have been incorporated into track spikes however, the impact of advanced spikes on RE has yet to be quantified. Advanced footwear technology, such as highly-cushioned midsoles with carbon-fiber plates, has been shown to improve running economy (RE) in road racing shoes.
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