Evidence map›Paper›PMID 27900115›Full record

ArticleBMJ open sport & exercise medicine2015

Decrease in eccentric quadriceps and hamstring strength in recreational alpine skiers after prolonged skiing.

Arnold Koller, Birgit Fuchs, Veronika Leichtfried, Wolfgang Schobersberger

Open access · goldAbstract read
In one paragraph

Article in BMJ open sport & exercise medicine, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
0.7field-weighted citation impact, top 25% of its field
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

9 citing papers in PubMed, 14 citations in OpenAlex.

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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 at 1 institution in 1 country.

Arnold KollerInstitute for Sports Medicine, Alpine Medicine & Health Tourism, tirol kliniken and Private University for Health Sciences, Medical Informatics and Technology , Hall , Austria.
Birgit FuchsInstitute for Sports Medicine, Alpine Medicine & Health Tourism, tirol kliniken and Private University for Health Sciences, Medical Informatics and Technology , Hall , Austria.
Veronika LeichtfriedInstitute for Sports Medicine, Alpine Medicine & Health Tourism, tirol kliniken and Private University for Health Sciences, Medical Informatics and Technology , Hall , Austria.
Wolfgang SchobersbergerInstitute for Sports Medicine, Alpine Medicine & Health Tourism, tirol kliniken and Private University for Health Sciences, Medical Informatics and Technology , Hall , Austria.
Tirol Kliniken · AT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundTo effectively prevent injury in recreational alpine skiing, it is important to identify modifiable risk factors that can be targeted through exercise and training. Fatigue is a potential risk factor in recreational skiing, but no investigations have evaluated concentric/eccentric quadriceps and hamstring fatigue in recreational skiers. We tested the hypothesis that recreational skiing is associated with more pronounced eccentric as compared with concentric muscle fatigue.

methodsTwenty-four healthy and fit recreational skiers (14 male and 10 female) performed an isokinetic muscle test 1 day before, 1 h after, and 24 h after a 4 h skiing session. The testing protocol consisted of concentric and eccentric quadriceps and hamstring contractions for both legs.

resultsEccentric peak hamstring torque (both thighs) and eccentric peak quadriceps torque (left thigh) were reduced in male and female participants (p<0.05). Reduced peak torques were still present 24 h after the skiing session. There were no other significant findings. SUMMARY: Recreational skiing is associated with prolonged (at least 24 h) eccentric quadriceps (left thigh) and hamstring (both thighs) fatigue in men and women. Eccentric quadriceps and hamstring fatigue may be a potential injury risk factor in male and female recreational skiers. This provides some justification for judicious use of additional eccentric training modalities for alpine skiing.

Indexed as

ConcentricEccentricInjuryIsokineticsSkiing

Identifiers

PMID27900115
PMCPMC5117052
OpenAlexW2143010857

What OpenQuestion holds

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LicenceCC BY-NC
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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.