PubData Leuphana Repository: Maximal strength measurement: A critical evaluation of common methods

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Ressourcentyp	Zeitschriftenartikel
Titel	Maximal strength measurement: A critical evaluation of common methods - a narrative review
DOI	10.48548/pubdata-1418
Handle	20.500.14123/1487
Autor*in	Warneke, Konstantin 0000-0003-4964-2867 Wagner, Carl-Maximilian 0009-0003-7879-1287 Keiner, Michael 0000-0002-1817-1743 Hillebrecht, Martin 139928820 Schiemann, Stephan 0000-0002-0703-8509 131474332 Behm, David George 0000-0002-9406-6056 Wallot, Sebastian 0000-0002-3626-3940 Wirth, Klaus 0000-0001-9862-4951
Abstract	Measuring maximal strength (MSt) is a very common performance diagnoses, especially in elite and competitive sports. The most popular procedure in test batteries is to test the one repetition maximum (1RM). Since testing maximum dynamic strength is very time consuming, it often suggested to use isometric testing conditions instead. This suggestion is based on the assumption that the high Pearson correlation coefficients of r ≥ 0.7 between isometric and dynamic conditions indicate that both tests would provide similar measures of MSt. However, calculating r provides information about the relationship between two parameters, but does not provide any statement about the agreement or concordance of two testing procedures. Hence, to assess replaceability, the concordance correlation coefficient (ρc) and the Bland-Altman analysis including the mean absolute error (MAE) and the mean absolute percentage error (MAPE) seem to be more appropriate. Therefore, an exemplary model based on r = 0.55 showed ρc = 0.53, A MAE of 413.58 N and a MAPE = 23.6% with a range of −1,000–800 N within 95% Confidence interval (95%CI), while r = 0.7 and 0.92 showed ρc = 0.68 with a MAE = 304.51N/MAPE = 17.4% with a range of −750 N–600 N within a 95% CI and ρc = 0.9 with a MAE = 139.99/MAPE = 7.1% with a range of −200–450 N within a 95% CI, respectively. This model illustrates the limited validity of correlation coefficients to evaluate the replaceability of two testing procedures. Interpretation and classification of ρc, MAE and MAPE seem to depend on expected changes of the measured parameter. A MAPE of about 17% between two testing procedures can be assumed to be intolerably high.
Sprache	Englisch
Schlagwörter	Maximal Strength; Performance; Testing
Jahr der Veröffentlichung in PubData	2024
Art der Veröffentlichung	Zweitveröffentlichung
Publikationsversion	Veröffentlichte Version
Datum der Erstveröffentlichung	2023-02-17
Entstehungskontext	Forschung
Anmerkungen	This publication was funded by the Open Access Publication Fund of Leuphana University Lüneburg.
Veröffentlicht durch	Medien- und Informationszentrum, Leuphana Universität Lüneburg
Zugehörige Ressourcen	Beziehungen dieser Publikation Beziehungen dieser Publikation

Informationen zur Erstveröffentlichung

Element	Wert
Ressourcentyp	Zeitschrift
Titel des Ressourcentyps	Frontiers in Sports and Active Living
Identifier	DOI: 10.3389/fspor.2023.1105201
Publikationsjahr	2023
Band	5
Nummer	1105201
Nummerntyp	Artikel
Verlag / Anbieter	Frontiers