Kalina, T., Cacek, J., & Kmetova, L. (2015). Comparison of maximum lactate between course navette test and hoff test in soccer players at 2600 meters above sea level. J. Hum. Sport Exerc., 9(Proc1), pp.S399-S403. Barefoot (BF) running is very popular topic among runners and coaches, and very often discussed in papers and even mass-media point is health aspect. The aim of this study is verify influence BF on physiological indicators. Nine women (age 21.1 ± 1.79 y.o., weight 59.7 ± 5.86 kg,

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... 164.8 ± 4.02 cm, no previous BF running experience, athletes, non-runners) completed two tests of running economy (RE) in minimal gap of 48 hours. Test of RE consisted of dynamic stretching warm-up and 7 minutes run on treadmill (constant velocity 7 km·h -1 , inclination +1 %) BF and shoed (RS). Hearth rate (HR; beats·min-1) and oxygen uptake (RE, running economy; ml·kg-1·min-1) were collected in last two minutes of each test. There were found insignificant differences (α = .05) in HR (BF 160.92 ± 22.62 vs. RS 163.5 ± 20.99; p = .214) a RE (BF 31.5 ± 2.65 vs RS 30.21 ± 2.91; p = .086). There were been discovered seven individual lower values of RE in BF, as well as same number of lower values of HR (BF). Running barefoot is insignificant economical in among non-experienced barefoot women athletes.