External resistance changes the rotation-extension strategy in accelerated running

Marvin Zedler; Martin Pinter; Wolfgang Potthast; Bjoern Braunstein; Jan-Peter Goldmann

External resistance changes the rotation-extension strategy in accelerated running

Marvin Zedler^*, Martin Pinter, Wolfgang Potthast, Bjoern Braunstein, Jan-Peter Goldmann

^*Korrespondierende*r Autor*in für diese Arbeit

Institut für Biomechanik und Orthopädie - Deutsche Sporthochschule Köln

Publikation: Beitrag in Buch/Bericht/Konferenzband › Konferenzbeitrag - Aufsatz in Konferenzband › Forschung › Begutachtung

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Abstract

This study aimed to investigate the effect of external resistance on running mechanics by comparing unresisted and resisted acceleration tasks. Fourteen elite bobsleigh athletes performed unresisted (bodyweight) and resisted sprints by pushing a loaded sled (85kg). Ground reaction forces as well as 3D marker trajectories were recorded for five ground contact phases to quantify whole-body posture and rotational and extensional components of forward centre of mass velocity. Resisted acceleration provoked more forward oriented postures (p < .001), and higher extensional velocity components (p < .001) compared to unresisted. Accordingly, the strategy to produce propulsion shifted from rotation to extension in the presence of an external mass. Resisted acceleration exercises are therefore appropriate to stress the extensional component to produce propulsion.

Originalsprache	Englisch
Titel	Proceedings of the International Society of Biomechanics in Sports (ISBS)
Seitenumfang	4
Erscheinungsort	Doha
Herausgeber (Verlag)	NMU Commons
Erscheinungsdatum	01.11.2025
Auflage	43
Aufsatznummer	3046
Publikationsstatus	Veröffentlicht - 01.11.2025
Veranstaltung	International Society of Biomechanics in Sports (ISBS) - Doha, Katar Dauer: 03.11.2025 → 08.11.2025 Konferenznummer: 43

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EXTERNAL RESISTANCE CHANGES THE ROTATION-EXTENSION STRATEGY IN ACEndgültige publizierte Fassung, 241 KB

https://commons.nmu.edu/isbs/vol43/iss1/89/

3 Konferenzbeitrag - Aufsatz in Konferenzband
3 Konferenzbeitrag - Abstract in Konferenzband
2 Konferenzbeitrag - Andere Beiträge zu Konferenzen
1 Zeitschriftenaufsätze

Biomechanics of the bobsleigh push phase
Zedler, M., Braunstein, B., Potthast, W. & Goldmann, J.-P., 28.01.2025, in: Journal of Sports Sciences. 43, 4, S. 360-369 10 S.
Publikation: Beitrag in Fachzeitschrift › Zeitschriftenaufsätze › Forschung › Begutachtung
The effect of touchdown kinematics on forward acceleration in the skeleton push start
Zedler, M., Braunstein, B., Schenk, C., Potthast, W. & Goldmann, J.-P., 2024, eProceedings of the Annual Conference of the International Society of Biomechanics in Sports (ISBS). 42 Aufl. Salzburg, Band 1. S. 1063-1066 4 S. 2819
Publikation: Beitrag in Buch/Bericht/Konferenzband › Konferenzbeitrag - Aufsatz in Konferenzband › Forschung › Begutachtung

Open Access
Datei
A novel framework for the analysis of linear acceleration mechanics focussing on 'Shin Roll'. How to Rock N' Roll’?
Oeppert, T., Zedler, M., Goldmann, J.-P., Braunstein, B., Willwacher, S. & Alt, T., 07.2023, eProceedings of the European College of Sport Science (ECSS): 28th Annual Congress of the European College of Sport Science, Explore Enlighten Perform, 4-7 July 2023, France. Guilhem, G., Rabita, G., Brocherie, F., Tsolakidis, E., Ferrauti, A., Wulff Helge, J. & Piacentini, M. (Hrsg.). Paris: European College of Sport Science, 1 S. 3083
Publikation: Beitrag in Buch/Bericht/Konferenzband › Konferenzbeitrag - Abstract in Konferenzband › Forschung › Begutachtung

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Datei

1 Abgeschlossen

Bob- und Schlittenverband für Deutschland (BSD) - Bob und Skeleton
Goldmann, J.-P. (Projektleiter*in), Sanno, M. (Projektmitarbeiter*in), Albracht, K. (Teilprojektleiter*in), Stäudle, B. (Projektmitarbeiter*in), Heinrich, K. (Projektmitarbeiter*in), Göll, F. (Projektmitarbeiter*in), Grothe, S. (Projektmitarbeiter*in) & Braunstein, B. (Projektleiter*in)
01.05.14 → 04.04.18
Projekt: Finanziert durch Drittmittel

1 Konferenzorganisation und -teilnahme

43rd International Society of Biomechanics in Sports Conference
Funken, J. (Vortragende*r) & Zedler, M. (Vortragende*r)
11.2025 → …
Aktivität: Teilnahme an oder Organisation einer Veranstaltung › Konferenzorganisation und -teilnahme › Forschung

Zitation

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title = "External resistance changes the rotation-extension strategy in accelerated running",

abstract = "This study aimed to investigate the effect of external resistance on running mechanics by comparing unresisted and resisted acceleration tasks. Fourteen elite bobsleigh athletes performed unresisted (bodyweight) and resisted sprints by pushing a loaded sled (85kg). Ground reaction forces as well as 3D marker trajectories were recorded for five ground contact phases to quantify whole-body posture and rotational and extensional components of forward centre of mass velocity. Resisted acceleration provoked more forward oriented postures (p < .001), and higher extensional velocity components (p < .001) compared to unresisted. Accordingly, the strategy to produce propulsion shifted from rotation to extension in the presence of an external mass. Resisted acceleration exercises are therefore appropriate to stress the extensional component to produce propulsion.",

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booktitle = "Proceedings of the International Society of Biomechanics in Sports (ISBS)",

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Zedler, M, Pinter, M, Potthast, W , Braunstein, B & Goldmann, J-P 2025, External resistance changes the rotation-extension strategy in accelerated running. in Proceedings of the International Society of Biomechanics in Sports (ISBS). 43 Aufl., 3046, NMU Commons, Doha, International Society of Biomechanics in Sports (ISBS), Doha, Katar, 03.11.25. <https://commons.nmu.edu/isbs/vol43/iss1/89/>

External resistance changes the rotation-extension strategy in accelerated running. / Zedler, Marvin; Pinter, Martin; Potthast, Wolfgang et al.
Proceedings of the International Society of Biomechanics in Sports (ISBS). 43. Aufl. Doha: NMU Commons, 2025. 3046.

Publikation: Beitrag in Buch/Bericht/Konferenzband › Konferenzbeitrag - Aufsatz in Konferenzband › Forschung › Begutachtung

TY - CHAP

T1 - External resistance changes the rotation-extension strategy in accelerated running

AU - Zedler, Marvin

AU - Pinter, Martin

AU - Potthast, Wolfgang

AU - Braunstein, Bjoern

AU - Goldmann, Jan-Peter

N1 - Conference code: 43

PY - 2025/11/1

Y1 - 2025/11/1

N2 - This study aimed to investigate the effect of external resistance on running mechanics by comparing unresisted and resisted acceleration tasks. Fourteen elite bobsleigh athletes performed unresisted (bodyweight) and resisted sprints by pushing a loaded sled (85kg). Ground reaction forces as well as 3D marker trajectories were recorded for five ground contact phases to quantify whole-body posture and rotational and extensional components of forward centre of mass velocity. Resisted acceleration provoked more forward oriented postures (p < .001), and higher extensional velocity components (p < .001) compared to unresisted. Accordingly, the strategy to produce propulsion shifted from rotation to extension in the presence of an external mass. Resisted acceleration exercises are therefore appropriate to stress the extensional component to produce propulsion.

AB - This study aimed to investigate the effect of external resistance on running mechanics by comparing unresisted and resisted acceleration tasks. Fourteen elite bobsleigh athletes performed unresisted (bodyweight) and resisted sprints by pushing a loaded sled (85kg). Ground reaction forces as well as 3D marker trajectories were recorded for five ground contact phases to quantify whole-body posture and rotational and extensional components of forward centre of mass velocity. Resisted acceleration provoked more forward oriented postures (p < .001), and higher extensional velocity components (p < .001) compared to unresisted. Accordingly, the strategy to produce propulsion shifted from rotation to extension in the presence of an external mass. Resisted acceleration exercises are therefore appropriate to stress the extensional component to produce propulsion.

M3 - Conference contribution - Article for conference

BT - Proceedings of the International Society of Biomechanics in Sports (ISBS)

PB - NMU Commons

CY - Doha

T2 - International Society of Biomechanics in Sports (ISBS)

Y2 - 3 November 2025 through 8 November 2025

ER -

External resistance changes the rotation-extension strategy in accelerated running

Abstract

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Publikationen

Biomechanics of the bobsleigh push phase

The effect of touchdown kinematics on forward acceleration in the skeleton push start

A novel framework for the analysis of linear acceleration mechanics focussing on 'Shin Roll'. How to Rock N' Roll’?

Projekte

Bob- und Schlittenverband für Deutschland (BSD) - Bob und Skeleton

Aktivitäten

43rd International Society of Biomechanics in Sports Conference

Zitation