Evidence map›Paper›PMID 24819449›Full record

ArticleEuropean journal of applied physiology2014

Force-velocity relationship of leg extensors obtained from loaded and unloaded vertical jumps.

Ivan Cuk, Milos Markovic, Aleksandar Nedeljkovic, Dusan Ugarkovic, Milos Kukolj, Slobodan Jaric

Erratum issuedAbstract read
In one paragraph

Article in European journal of applied physiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 26 papers.

0numbers the graph read from it
0cells of the map it votes in
26citing 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

26 citing papers in PubMed.

  1. Effects of countermovement depth on kinematic and kinetic patterns of maximum vertical jumps.Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology · 2015
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  7. Are the Parameters of Novel Two-Point Force-Velocity Model Generalizable in Leg Muscles?International journal of environmental research and public health · 2021
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors.

Ivan CukFaculty of Sports and Physical Education, The Research Center, University of Belgrade, Belgrade, Serbia.
Milos Markovic
Aleksandar Nedeljkovic
Dusan Ugarkovic
Milos Kukolj
Slobodan Jaric

Funding

Evaluation of Novel Tests of Neuromuscular FunctionR21AR060659 · NIAMS · UNIVERSITY OF DELAWARE · PI JARIC, SLOBODAN · 2010 to 2011
$372k
NIAMS NIH HHS R21AR06065NIAMS NIH HHS R21 AR060659
6 · The paper itself

Abstract

purposeResent research has suggested that loaded multi-joint movements could reveal a linear force-velocity (F-V) relationship. The aim of the present study was to evaluate the F-V relationship both across different types of vertical jumps and across different F and V variables.

methodsTen healthy subjects performed maximum various vertical jumps that were either loaded or unloaded by constant external forces of up to 30 % of their body weight. Both the maximum and averaged F and V data were recorded.

resultsThe observed F-V relationships proved to be strong (median correlation coefficients ranged 0.78-0.93) and quasi-linear. Their F- and V-intercepts and the calculated maximum power (P) were highly reliable (0.85 < ICC < 0.98), while their concurrent validity with respect to their directly measured values was on average moderate-to-large. The obtained F-V relationships also revealed that (1) the assessment of maximum F and P could be somewhat more reliable and valid than the assessment of maximum V, (2) natural countermovement jumps should be employed rather than the jumps performed from a fixed squat position, while (3) both maximum and averaged F and V variables could be used despite revealing markedly different regression parameters.

conclusionsThe data generally reveal a reliable, valid, strong and quasi-linear F-V relationship across variety of vertical jumps and the recorded F and V variables. Therefore, we conclude that the loaded vertical jumps could be developed into a routine method for testing the force, velocity, and power generating capacity of leg extensors.

Indexed as

MovementAdultBiomechanical PhenomenaHumansLegMaleMuscle ContractionMuscle, Skeletal

Identifiers

PMID24819449
PMCPMC4127419

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Registered trials

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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.