Changes in Running Economy, Respiratory Exchange Ratio and VO2max in Runners Following a 10-day Altitude Training Camp

Overview

Journal Int J Exerc Sci

Date 2017 Jul 5

PMID 28674605

Citations 4

Authors

Sebastian R Diebel

Ian Newhouse

David S Thompson

Vineet B K Johnson

Affiliations

Soon will be listed here.

Abstract

Running economy (RE) and VOmax are important predictors of endurance performance for elite and semi-elite endurance athletes, with RE being an appropriate predictor in a homogenous running population. Altitude training has been observed to change RE (mL.kg.min), and VOmax due to alterations resulting from acclimatization. This study tracked changes in RE and VOmax before and after a 10-day altitude training camp at 1828 meters. VOmax, RE expressed calorically, and respiratory exchange ratio (RER), were measured below anaerobic threshold (AT) to observe differences between pre-and post-altitude training. Eight varsity cross-country runners between the ages of 18 and 22 years performed an incremental treadmill test, pre- and post-10-day altitude training. Paired samples t-tests were used to statistically analyze the data. Average RE (VO mL.kg.min) improved following altitude intervention (= 56.44 ± 4.28) compared to pre-altitude training (61.30 ± 7.56). These differences were statistically significant ()= 2.71, =.014. RE expressed as kcals.kg.km improved following altitude training (16.73 ± 2.96) compared to (18.44 ± 4.04) pre-altitude training and was statistically significant =3.08, = .008. RER taken during the last minute of steady-state was higher (0.97, ± .019) post-altitude training, compared to (0.90 ± .043) pre-altitude. These differences were statistically significant () -3.62, =.008. VOmax (mL.kg.min) was lower in 6 out of 8 participants (63.91, ± 8.65) post-altitude compared to (69.90, ± 10.80) pre-altitude and was statistically significant ) = 2.33, =.026. The observed improvements in RE may be beneficial for endurance athletes competing and/or training at moderate altitudes near 1828 meters.

Citing Articles

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