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. 2015 Sep 29;10(9):e0139279.
doi: 10.1371/journal.pone.0139279. eCollection 2015.

Cardiorespiratory Adaptations during Concurrent Aerobic and Strength Training in Men and Women

Moritz Schumann  1 , Kaisu Yli-Peltola  1 , Chris R Abbiss  2 , Keijo Häkkinen  1
Affiliations

Cardiorespiratory Adaptations during Concurrent Aerobic and Strength Training in Men and Women

Moritz Schumann et al. PLoS One. .

Abstract

This study investigated the effects of endurance followed by strength training (ES, men n = 16; women n = 15), the reverse exercise order (SE, men n = 18, women n = 13) and concurrent endurance and strength training performed on alternating days (AD, men n = 21, women n = 18) on cardiorespiratory parameters. Peak oxygen consumption ([Formula: see text]O2peak) and oxygen consumption at sub-maximal power outputs ([Formula: see text]O2submax) of 50 to 175 Watts in men and 50 to 125 Watts in women were assessed during an incremental cycling test both before and after 24 weeks of training. Increases in [Formula: see text]O2peak in both men and women were statistically larger in AD (18±9% and 25±11%) compared to ES (7±9% and 12±12%, p = 0.002 and 0.009, respectively) and SE (7±9% and 10±8%, p = 0.005 and 0.008, respectively). No statistical group interaction was observed for [Formula: see text]O2submax in men, but in women [Formula: see text]O2submax was statistically lower at week 24 in ES compared to AD at 75 W (-2±6% vs. +3±6%, p = 0.027) and 125 W (-4±5% vs. +2±5%, p = 0.010). These findings indicate that endurance and strength training performed on alternating days may optimize the adaptations in [Formula: see text]O2peak in both sexes, while performing ES training in women may optimize cardiorespiratory fitness at sub-maximal power outputs.

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Conflict of interest statement

Competing Interests: In addition, the authors would like to declare that despite the funding provided by Polar Electro Oy the authors did not have competing financial interests that might have influenced the outcome of the present article. The financial support received does not alter the authors' adherence to the PLOS ONE policies on sharing data and materials.

Figures

Fig 1
Fig 1. Oxygen consumption at sub-maximal power outputs in men (A) and women (B).
* p<0.05; within the bar compared to corresponding value at week 0, outside the bar as indicated.
See this image and copyright information in PMC

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