Ventilatory acclimatisation is beneficial for high-intensity exercise at altitude in elite cyclists

Nathan E. Townsend, Christopher Gore, Tammie Ebert, David Martin, Allan HAHN, Chin-Moi Chow

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Aim: The aim of this study was to examine the relationship between ventilatory adaptation and performance during altitude training at 2700 m. Methods: Seven elite cyclists (age: 21.2?¿?1.1 yr, body mass: 69.9?¿?5.6 kg, height 176.3?¿?4.9 cm) participated in this study. A hypoxic ventilatory response (HVR) test and a submaximal exercise test were performed at sea level prior to the training camp and again after 15 d at altitude (ALT15). Ventilation (VE), end-tidal carbon-dioxide partial pressure (PETCO2) and oxyhaemoglobin saturation via pulse oximetry (SpO2) were measured at rest and during submaximal cycling at 250 W. A hill climb (HC) performance test was conducted at sea level and after 14 d at altitude (ALT14) using a road of similar length (5.5¿6 km) and gradient (4.8¿5.3%). Power output was measured using SRM cranks. Average HC power at ALT14 was normalised to sea level power (HC%). Multiple regression was used to identify significant predictors of performance at altitude. Results: At ALT15, there was a significant increase in resting VE (10.3?¿?1.9 vs. 12.2?¿?2.4 L¿min-1) and HVR (0.34?¿?0.24 vs. 0.71?¿?0.49 L¿min-1¿%-1), while PETCO2 (38.4?¿?2.3 vs. 32.1?¿?3.3 mmHg) and SpO2 (97.9?¿?0.7 vs. 94.0?¿?1.7%) were reduced (P?
Original languageEnglish
Pages (from-to)1-9
Number of pages9
JournalEuropean Journal of Sport Science
Volumeonline
DOIs
Publication statusPublished - 2016
Externally publishedYes

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Acclimatization
Oceans and Seas
Ventilation
Oxyhemoglobins
Oximetry
Partial Pressure
Exercise Test
Carbon Dioxide

Cite this

Townsend, Nathan E. ; Gore, Christopher ; Ebert, Tammie ; Martin, David ; HAHN, Allan ; Chow, Chin-Moi. / Ventilatory acclimatisation is beneficial for high-intensity exercise at altitude in elite cyclists. In: European Journal of Sport Science. 2016 ; Vol. online. pp. 1-9.
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abstract = "Aim: The aim of this study was to examine the relationship between ventilatory adaptation and performance during altitude training at 2700 m. Methods: Seven elite cyclists (age: 21.2?¿?1.1 yr, body mass: 69.9?¿?5.6 kg, height 176.3?¿?4.9 cm) participated in this study. A hypoxic ventilatory response (HVR) test and a submaximal exercise test were performed at sea level prior to the training camp and again after 15 d at altitude (ALT15). Ventilation (VE), end-tidal carbon-dioxide partial pressure (PETCO2) and oxyhaemoglobin saturation via pulse oximetry (SpO2) were measured at rest and during submaximal cycling at 250 W. A hill climb (HC) performance test was conducted at sea level and after 14 d at altitude (ALT14) using a road of similar length (5.5¿6 km) and gradient (4.8¿5.3{\%}). Power output was measured using SRM cranks. Average HC power at ALT14 was normalised to sea level power (HC{\%}). Multiple regression was used to identify significant predictors of performance at altitude. Results: At ALT15, there was a significant increase in resting VE (10.3?¿?1.9 vs. 12.2?¿?2.4 L¿min-1) and HVR (0.34?¿?0.24 vs. 0.71?¿?0.49 L¿min-1¿{\%}-1), while PETCO2 (38.4?¿?2.3 vs. 32.1?¿?3.3 mmHg) and SpO2 (97.9?¿?0.7 vs. 94.0?¿?1.7{\%}) were reduced (P?",
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author = "Townsend, {Nathan E.} and Christopher Gore and Tammie Ebert and David Martin and Allan HAHN and Chin-Moi Chow",
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Ventilatory acclimatisation is beneficial for high-intensity exercise at altitude in elite cyclists. / Townsend, Nathan E.; Gore, Christopher; Ebert, Tammie; Martin, David; HAHN, Allan; Chow, Chin-Moi.

In: European Journal of Sport Science, Vol. online, 2016, p. 1-9.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Ventilatory acclimatisation is beneficial for high-intensity exercise at altitude in elite cyclists

AU - Townsend, Nathan E.

AU - Gore, Christopher

AU - Ebert, Tammie

AU - Martin, David

AU - HAHN, Allan

AU - Chow, Chin-Moi

PY - 2016

Y1 - 2016

N2 - Aim: The aim of this study was to examine the relationship between ventilatory adaptation and performance during altitude training at 2700 m. Methods: Seven elite cyclists (age: 21.2?¿?1.1 yr, body mass: 69.9?¿?5.6 kg, height 176.3?¿?4.9 cm) participated in this study. A hypoxic ventilatory response (HVR) test and a submaximal exercise test were performed at sea level prior to the training camp and again after 15 d at altitude (ALT15). Ventilation (VE), end-tidal carbon-dioxide partial pressure (PETCO2) and oxyhaemoglobin saturation via pulse oximetry (SpO2) were measured at rest and during submaximal cycling at 250 W. A hill climb (HC) performance test was conducted at sea level and after 14 d at altitude (ALT14) using a road of similar length (5.5¿6 km) and gradient (4.8¿5.3%). Power output was measured using SRM cranks. Average HC power at ALT14 was normalised to sea level power (HC%). Multiple regression was used to identify significant predictors of performance at altitude. Results: At ALT15, there was a significant increase in resting VE (10.3?¿?1.9 vs. 12.2?¿?2.4 L¿min-1) and HVR (0.34?¿?0.24 vs. 0.71?¿?0.49 L¿min-1¿%-1), while PETCO2 (38.4?¿?2.3 vs. 32.1?¿?3.3 mmHg) and SpO2 (97.9?¿?0.7 vs. 94.0?¿?1.7%) were reduced (P?

AB - Aim: The aim of this study was to examine the relationship between ventilatory adaptation and performance during altitude training at 2700 m. Methods: Seven elite cyclists (age: 21.2?¿?1.1 yr, body mass: 69.9?¿?5.6 kg, height 176.3?¿?4.9 cm) participated in this study. A hypoxic ventilatory response (HVR) test and a submaximal exercise test were performed at sea level prior to the training camp and again after 15 d at altitude (ALT15). Ventilation (VE), end-tidal carbon-dioxide partial pressure (PETCO2) and oxyhaemoglobin saturation via pulse oximetry (SpO2) were measured at rest and during submaximal cycling at 250 W. A hill climb (HC) performance test was conducted at sea level and after 14 d at altitude (ALT14) using a road of similar length (5.5¿6 km) and gradient (4.8¿5.3%). Power output was measured using SRM cranks. Average HC power at ALT14 was normalised to sea level power (HC%). Multiple regression was used to identify significant predictors of performance at altitude. Results: At ALT15, there was a significant increase in resting VE (10.3?¿?1.9 vs. 12.2?¿?2.4 L¿min-1) and HVR (0.34?¿?0.24 vs. 0.71?¿?0.49 L¿min-1¿%-1), while PETCO2 (38.4?¿?2.3 vs. 32.1?¿?3.3 mmHg) and SpO2 (97.9?¿?0.7 vs. 94.0?¿?1.7%) were reduced (P?

KW - Hypoxia

KW - respiratory

KW - endurance

KW - exercise

KW - performance

U2 - 10.1080/17461391.2016.1139190

DO - 10.1080/17461391.2016.1139190

M3 - Article

VL - online

SP - 1

EP - 9

JO - European Journal of Sport Science

JF - European Journal of Sport Science

SN - 1536-7290

ER -