Static vs. dynamic friction coefficients, which one to use in sports footwear research?

Morio, Cédric; Sissler, Lise; Guéguen, Nils

doi:10.1080/19424280.2015.1038609

Cited by 10 publications

(6 citation statements)

References 5 publications

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“…The friction coefficient was calculated using the following equation ( 1 The AFC was defined as the mean value of friction coefficient during 100 ms of the steady-state condition of the friction coefficient curve (Figure 2b) (Morio et al, 2015).…”

Section: Available Friction Coefficient (Afc)mentioning

confidence: 99%

“…These functional tests would provide important information as a direct parameter assessing the functionality of footwear-surface interactions (Sterzing et al 2007), as well as a direct performance indicator of futsal playing ability (Sekulic et al, 2019). Moreover, athletefloor interface has also been studied based on the player's perception of the traction performance (Gronqvist et al, 1993;Morio et al, 2015Morio et al, , 2017. A recent study reported a significant relationship between the measured friction coefficient and the perceived grip performance of athlete-sports surface interface (Morio et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, athletefloor interface has also been studied based on the player's perception of the traction performance (Gronqvist et al, 1993;Morio et al, 2015Morio et al, , 2017. A recent study reported a significant relationship between the measured friction coefficient and the perceived grip performance of athlete-sports surface interface (Morio et al, 2015). Therefore, both sports-specific functional tests and the perceived grip performance to a given sports surface, could potentially be used as a direct, strong indicator to illustrate the influence of playing surface on player's performance.…”

Section: Introductionmentioning

confidence: 99%

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Futsal playing surface characteristics significantly affect perceived traction and change of direction performance among experienced futsal players

Ismail

Nunome

Lysdal

et al. 2022

Sports Biomechanics

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We aimed to clarify the effect of different futsal playing surface structural properties on the resultant change of direction (COD) performance, perceived traction, and frictional properties. Twenty experienced male university soccer players performed a COD slalom-course test and perceived traction evaluation on three different types of playing surfaces (area-elastic: AE, point-elastic no.1: PE1 and point-elastic no.2: PE2). Frictional properties of these surfaces were mechanically evaluated against a futsal shoe, using a hydraulic moving force platform, and expressed as available friction coefficient (AFC). In the COD performance test, the participants performed significantly better on the pointelastic surfaces (PE1 and PE2) when compared to the area-elastic surface (AE) (p<0.05). Also, the PE2 surface was found to have the highest perceived traction (p<0.001). The findings suggest that the relatively higher (4%) AFC explains the improvement in performance and traction perception on the PE2 surface. In this study, we successfully demonstrated that the structural difference (AE or PE) of futsal playing surface has a significant impact on the COD performance of experienced futsal players and their perceived level of traction (PE2) and the frictional properties.

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Section: Available Friction Coefficient (Afc)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Futsal playing surface characteristics significantly affect perceived traction and change of direction performance among experienced futsal players

Ismail

Nunome

Lysdal

et al. 2022

Sports Biomechanics

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“…In addition to the contact time prediction, the method showed its reliability also in the estimation of the active peak force. A study from Morio et al [89] (Sec. 2.3.3) found a significant correlation for both static and dynamic friction with traction perception during a forward cutting manoeuvre performed over a force platform with different shoe and surface conditions.…”

Section: Discussionmentioning

confidence: 99%

“…Morio et al [89,90] studied the relationship of traction perception with static and dynamic friction during a forward cutting manoeuvre performed over a force platform with different shoe and surface conditions. Static and dynamic traction coefficients were calculated over the stance phase of the change of direction step, with the former defined as the maximum value in the early 50 ms of the stance phase, and the latter as the mean during 100 ms of the mid-stance phase.…”

Section: Subjective-sensory Testsmentioning

confidence: 99%

Ground reaction force estimation to assess football player movement on hybrid turfs

d'Andrea¹

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There are several people I would like to thank for their assistance, support and guidance throughout this research project. First of all, I would like to thank my supervisors Dr Marcus Dunn, Dr Ben Heller and Prof David James for all your time, the continued support, advice and knowledge provided over the last three years that helped me achieving this work and improving as a researcher. This gratitude extends to all members of the Sports Engineering Research Group at Sheffield Hallam University, in particular to Dr John Hart for the design of the sensor mount frame. I am grateful to adidas for the sponsorship of this project. In particular, I would like to thank Harald Koerger, Patrick Henning-Bortmes, Heiko Schlarb and KarstenWestphal. Also thank you to Marc Lamka for the help during the first data collection and to both Marc and Steven, without you it would have not been possible to reach a good cohort of participants for my final study. Furthermore, I would like to thank Labosport for sharing their Scoreplay dataset and allowing me to borrow the AA test device for six weeks of testing in Germany. These mechanical test data provided important information for this work. Also thanks to David Rigby and Tom for teaching me how to use the mechanical test devices. Apart from the people directly involved with the research, I would like to thank all my friends, both those I known for years and all the great people I met during this PhD journey. Thank you for all the laughs, chats, coffee breaks and for letting me know I can always count on your support. A huge thank goes to Linda and Ben for making me feel part of a family during these months of COVID-19 pandemic. Finally, but most importantly, thanks to my family. Thanks to my brother and my grandma for being always supportive and believing in me, and especially to my parents for all your love and support, without you I would not be the person I am now and I would have not been able to get where I am.

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Sportbodeneigenschaften

Ismail,

Kersting

2024

Sporttechnologie

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Static vs. dynamic friction coefficients, which one to use in sports footwear research?

Cited by 10 publications

References 5 publications

Futsal playing surface characteristics significantly affect perceived traction and change of direction performance among experienced futsal players

Futsal playing surface characteristics significantly affect perceived traction and change of direction performance among experienced futsal players

Ground reaction force estimation to assess football player movement on hybrid turfs

Sportbodeneigenschaften

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