Evidence map›Paper›PMID 20151149›Full record

ArticleEuropean journal of applied physiology2010

Metabolic rate and gross efficiency at high work rates in world class and national level sprint skiers.

Øyvind Sandbakk, Hans-Christer Holmberg, Stig Leirdal, Gertjan Ettema

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Article in European journal of applied physiology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 64 papers.

0numbers the graph read from it
0cells of the map it votes in
64citing papers in PubMed
–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

64 citing papers in PubMed.

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  7. On the estimation of total muscle work done in human walking.The Journal of experimental biology · 2025
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  10. Review
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  18. Analysis of a Skating Time-Trial Competition and Associated Performance-Determinants in Cross-Country Skiers.International journal of environmental research and public health · 2022
    Article
  19. Article
  20. Article

4 more citing papers are in PubMed but not listed here.

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

4 authors.

Øyvind SandbakkHuman Movement Science Programme, Norwegian University of Science and Technology (NTNU), Trondheim, Norway. oyvind.sandbakk@svt.ntnu.no
Hans-Christer Holmberg
Stig Leirdal
Gertjan Ettema

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The present study investigated metabolic rate (MR) and gross efficiency (GE) at moderate and high work rates, and the relationships to gross kinematics and physical characteristics in elite cross-country skiers. Eight world class (WC) and eight national level (NL) male sprint cross-country skiers performed three 5-min stages using the skating G3 technique, whilst roller skiing on a treadmill. GE was calculated by dividing work rate by MR. Work rate was calculated as the sum of power against gravity and frictional rolling forces. MR was calculated using gas exchange and blood lactate values. Gross kinematics, i.e. cycle length (CL) and cycle rate (CR) were measured by video analysis. Furthermore, the skiers were tested for time to exhaustion (TTE), peak oxygen uptake (VO(2peak)), and maximal speed (V(max)) on the treadmill, and maximal strength in the laboratory. Individual performance level in sprint skating was determined by FIS points. WC skiers did not differ in aerobic MR, but showed lower anaerobic MR and higher GE than NL skiers at a given speed (all P < 0.05). Moreover, WC skiers skated with longer CL and had higher V(max) and TTE (all P < 0.05). In conclusion, the present study shows that WC skiers are more efficient than NL skiers, and it is proposed that this might be due to a better technique and to technique-specific power.

Indexed as

Energy MetabolismMuscle ContractionMuscle StrengthPhysical EnduranceSkiingAdultBiomechanical PhenomenaCalorimetry, IndirectHumansMaleMuscle FatigueMuscle, SkeletalOxygen ConsumptionTask Performance and AnalysisTime FactorsVideo Recording

Identifiers

What OpenQuestion holds

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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.