Evidence map›Paper›PMID 16770568›Full record

Trial reportEuropean journal of applied physiology2006

Influence of "living high-training low" on aerobic performance and economy of work in elite athletes.

Laurent Schmitt, Grégoire Millet, Paul Robach, Gérard Nicolet, Julien V Brugniaux, Jean-Pierre Fouillot, Jean-Paul Richalet

Abstract readClinical Trial
PubMed Publisher
In one paragraph

Trial report in European journal of applied physiology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

28 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Trial
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  7. Trial
  8. Trial
  9. Review
  10. Molecular Mechanisms of High-Altitude Acclimatization.International journal of molecular sciences · 2023
    Review
  11. Article
  12. Single Leg Cycling Offsets Reduced Muscle Oxygenation in Hypoxic Environments.International journal of environmental research and public health · 2022
    Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Strategies to improve running economy.Sports medicine (Auckland, N.Z.) · 2015
    Review
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Laurent SchmittUniversité Paris 13, EA2363, ARPE, 74 rue Marcel Cachin, 93017 Bobigny, France. laurent.schmitt@jeunesse-sports.gouv.fr
Grégoire Millet
Paul Robach
Gérard Nicolet
Julien V Brugniaux
Jean-Pierre Fouillot
Jean-Paul Richalet

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This study tested the effects of "living high-training low" (Hi-Lo) on aerobic performance and economy of work in elite athletes. Forty endurance athletes (cross-country skiers, swimmers, runners) performed 13-18 consecutive days of training at 1,200 m altitude, by sleeping at 1,200 m (LL, n = 20) or in hypoxic rooms with 5-6 nights at 2,500 m followed by 8-12 nights at 3,000-3,500 m (HL, n = 20). The athletes were evaluated before (pre-), one (post-1) and 15 days (post-15) after Hi-Lo. Economy was assessed from two sub-maximal tests, one non-specific (cycling) and one specific (running or swimming). From pre- to post-1: V(O2)max increased both in HL (+ 7.8%, P < 0.01) and in LL (+ 3.3%, P < 0.05), peak power output (PPO) tended to increase more (P=0.06) in HL (+ 4.1%, P < 0.01) than in LL (+ 1.9%). At post-15, V(O2)max has returned to pre-values in both groups, PPO increased more (P < 0.05) in HL (+ 8.3%, P < 0.01) than in LL (+ 3.8%), V(O2) and power at respiratory compensation point (RCP) increased more (P < 0.05) in HL (+ 9.5%, P < 0.01 and + 11.2%, P < 0.01) than in LL (+ 3.2 and + 3.3%). Cycling mechanical efficiency (8-5%) and economy during specific locomotion (7-7%) increased (P < 0.05) in both groups. This study shows that, for a similar increase in V(O2)max HL had a greater increase in PPO than LL. The efficiency of Hi-Lo is also evidenced 15 days later by higher V(O2) and power at RCP. This study emphasizes that during the post-altitude period, economy of work greatly increases in both groups.

Indexed as

AltitudeAcclimatizationEnergy MetabolismExerciseFemaleHumansHypoxiaMaleOxygen ConsumptionPhysical EndurancePhysical ExertionPhysical FitnessRespiratory Physiological PhenomenaSports

Identifiers

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.