The Transeurope Footrace Project: longitudinal data acquisition in a cluster randomized mobile MRI observational cohort study on 44 endurance runners at a 64-stage 4,486km transcontinental ultramarathon
Abstract Background The TransEurope FootRace 2009 (TEFR09) was one of the longest transcontinental ultramarathons with an extreme endurance physical load of running nearly 4,500 km in 64 days. The aim of this study was to assess the wide spectrum of adaptive responses in humans regarding the differe...
Published in: | BMC Medicine |
---|---|
Main Authors: | , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
BMC
2012
|
Subjects: | |
Online Access: | https://doi.org/10.1186/1741-7015-10-78 https://doaj.org/article/42b5534c953b4618ba59434f0ca9f382 |
id |
ftdoajarticles:oai:doaj.org/article:42b5534c953b4618ba59434f0ca9f382 |
---|---|
record_format |
openpolar |
spelling |
ftdoajarticles:oai:doaj.org/article:42b5534c953b4618ba59434f0ca9f382 2023-05-15T17:37:59+02:00 The Transeurope Footrace Project: longitudinal data acquisition in a cluster randomized mobile MRI observational cohort study on 44 endurance runners at a 64-stage 4,486km transcontinental ultramarathon Schütz Uwe HW Schmidt-Trucksäss Arno Knechtle Beat Machann Jürgen Wiedelbach Heike Ehrhardt Martin Freund Wolfgang Gröninger Stefan Brunner Horst Schulze Ingo Brambs Hans-Jürgen Billich Christian 2012-07-01T00:00:00Z https://doi.org/10.1186/1741-7015-10-78 https://doaj.org/article/42b5534c953b4618ba59434f0ca9f382 EN eng BMC http://www.biomedcentral.com/1741-7015/10/78 https://doaj.org/toc/1741-7015 doi:10.1186/1741-7015-10-78 1741-7015 https://doaj.org/article/42b5534c953b4618ba59434f0ca9f382 BMC Medicine, Vol 10, Iss 1, p 78 (2012) Medicine R article 2012 ftdoajarticles https://doi.org/10.1186/1741-7015-10-78 2022-12-31T05:53:16Z Abstract Background The TransEurope FootRace 2009 (TEFR09) was one of the longest transcontinental ultramarathons with an extreme endurance physical load of running nearly 4,500 km in 64 days. The aim of this study was to assess the wide spectrum of adaptive responses in humans regarding the different tissues, organs and functional systems being exposed to such chronic physical endurance load with limited time for regeneration and resulting negative energy balance. A detailed description of the TEFR project and its implemented measuring methods in relation to the hypotheses are presented. Methods The most important research tool was a 1.5 Tesla magnetic resonance imaging (MRI) scanner mounted on a mobile unit following the ultra runners from stage to stage each day. Forty-four study volunteers (67% of the participants) were cluster randomized into two groups for MRI measurements (22 subjects each) according to the project protocol with its different research modules: musculoskeletal system, brain and pain perception, cardiovascular system, body composition, and oxidative stress and inflammation. Complementary to the diverse daily mobile MR-measurements on different topics (muscle and joint MRI, T2*-mapping of cartilage, MR-spectroscopy of muscles, functional MRI of the brain, cardiac and vascular cine MRI, whole body MRI) other methods were also used: ice-water pain test, psychometric questionnaires, bioelectrical impedance analysis (BIA), skinfold thickness and limb circumference measurements, daily urine samples, periodic blood samples and electrocardiograms (ECG). Results Thirty volunteers (68%) reached the finish line at North Cape. The mean total race speed was 8.35 km/hour. Finishers invested 552 hours in total. The completion rate for planned MRI investigations was more than 95%: 741 MR-examinations with 2,637 MRI sequences (more than 200,000 picture data), 5,720 urine samples, 244 blood samples, 205 ECG, 1,018 BIA, 539 anthropological measurements and 150 psychological questionnaires. Conclusions This ... Article in Journal/Newspaper North Cape Directory of Open Access Journals: DOAJ Articles North Cape ENVELOPE(165.700,165.700,-70.650,-70.650) Bia ENVELOPE(22.891,22.891,70.317,70.317) BMC Medicine 10 1 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Medicine R |
spellingShingle |
Medicine R Schütz Uwe HW Schmidt-Trucksäss Arno Knechtle Beat Machann Jürgen Wiedelbach Heike Ehrhardt Martin Freund Wolfgang Gröninger Stefan Brunner Horst Schulze Ingo Brambs Hans-Jürgen Billich Christian The Transeurope Footrace Project: longitudinal data acquisition in a cluster randomized mobile MRI observational cohort study on 44 endurance runners at a 64-stage 4,486km transcontinental ultramarathon |
topic_facet |
Medicine R |
description |
Abstract Background The TransEurope FootRace 2009 (TEFR09) was one of the longest transcontinental ultramarathons with an extreme endurance physical load of running nearly 4,500 km in 64 days. The aim of this study was to assess the wide spectrum of adaptive responses in humans regarding the different tissues, organs and functional systems being exposed to such chronic physical endurance load with limited time for regeneration and resulting negative energy balance. A detailed description of the TEFR project and its implemented measuring methods in relation to the hypotheses are presented. Methods The most important research tool was a 1.5 Tesla magnetic resonance imaging (MRI) scanner mounted on a mobile unit following the ultra runners from stage to stage each day. Forty-four study volunteers (67% of the participants) were cluster randomized into two groups for MRI measurements (22 subjects each) according to the project protocol with its different research modules: musculoskeletal system, brain and pain perception, cardiovascular system, body composition, and oxidative stress and inflammation. Complementary to the diverse daily mobile MR-measurements on different topics (muscle and joint MRI, T2*-mapping of cartilage, MR-spectroscopy of muscles, functional MRI of the brain, cardiac and vascular cine MRI, whole body MRI) other methods were also used: ice-water pain test, psychometric questionnaires, bioelectrical impedance analysis (BIA), skinfold thickness and limb circumference measurements, daily urine samples, periodic blood samples and electrocardiograms (ECG). Results Thirty volunteers (68%) reached the finish line at North Cape. The mean total race speed was 8.35 km/hour. Finishers invested 552 hours in total. The completion rate for planned MRI investigations was more than 95%: 741 MR-examinations with 2,637 MRI sequences (more than 200,000 picture data), 5,720 urine samples, 244 blood samples, 205 ECG, 1,018 BIA, 539 anthropological measurements and 150 psychological questionnaires. Conclusions This ... |
format |
Article in Journal/Newspaper |
author |
Schütz Uwe HW Schmidt-Trucksäss Arno Knechtle Beat Machann Jürgen Wiedelbach Heike Ehrhardt Martin Freund Wolfgang Gröninger Stefan Brunner Horst Schulze Ingo Brambs Hans-Jürgen Billich Christian |
author_facet |
Schütz Uwe HW Schmidt-Trucksäss Arno Knechtle Beat Machann Jürgen Wiedelbach Heike Ehrhardt Martin Freund Wolfgang Gröninger Stefan Brunner Horst Schulze Ingo Brambs Hans-Jürgen Billich Christian |
author_sort |
Schütz Uwe HW |
title |
The Transeurope Footrace Project: longitudinal data acquisition in a cluster randomized mobile MRI observational cohort study on 44 endurance runners at a 64-stage 4,486km transcontinental ultramarathon |
title_short |
The Transeurope Footrace Project: longitudinal data acquisition in a cluster randomized mobile MRI observational cohort study on 44 endurance runners at a 64-stage 4,486km transcontinental ultramarathon |
title_full |
The Transeurope Footrace Project: longitudinal data acquisition in a cluster randomized mobile MRI observational cohort study on 44 endurance runners at a 64-stage 4,486km transcontinental ultramarathon |
title_fullStr |
The Transeurope Footrace Project: longitudinal data acquisition in a cluster randomized mobile MRI observational cohort study on 44 endurance runners at a 64-stage 4,486km transcontinental ultramarathon |
title_full_unstemmed |
The Transeurope Footrace Project: longitudinal data acquisition in a cluster randomized mobile MRI observational cohort study on 44 endurance runners at a 64-stage 4,486km transcontinental ultramarathon |
title_sort |
transeurope footrace project: longitudinal data acquisition in a cluster randomized mobile mri observational cohort study on 44 endurance runners at a 64-stage 4,486km transcontinental ultramarathon |
publisher |
BMC |
publishDate |
2012 |
url |
https://doi.org/10.1186/1741-7015-10-78 https://doaj.org/article/42b5534c953b4618ba59434f0ca9f382 |
long_lat |
ENVELOPE(165.700,165.700,-70.650,-70.650) ENVELOPE(22.891,22.891,70.317,70.317) |
geographic |
North Cape Bia |
geographic_facet |
North Cape Bia |
genre |
North Cape |
genre_facet |
North Cape |
op_source |
BMC Medicine, Vol 10, Iss 1, p 78 (2012) |
op_relation |
http://www.biomedcentral.com/1741-7015/10/78 https://doaj.org/toc/1741-7015 doi:10.1186/1741-7015-10-78 1741-7015 https://doaj.org/article/42b5534c953b4618ba59434f0ca9f382 |
op_doi |
https://doi.org/10.1186/1741-7015-10-78 |
container_title |
BMC Medicine |
container_volume |
10 |
container_issue |
1 |
_version_ |
1766138216179564544 |