Dr Sigrid Olthof

Sport and Exercise Sciences

Dr. Sigrid Olthof is lecturer in Performance Analysis and Analytics at the School of Sport and Exercise Sciences. Her research focuses on football performance during practices and games. She has a particular interest to work with sport technology and data in order to research performance and translate performance from science to practice and vice versa.

Sigrid has a Bachelor and Master degree in Human Movement Science with a specialisation in Sport Science. She obtained her PhD degree with her research in Small-Sided Games in Youth Soccer at the University of Groningen (the Netherlands). In specific, she investigated team tactical behaviour in small-sided games and compared this to the actual match using positional data. Sigrid worked as a postdoctoral researcher and sport scientist at the University of Michigan (USA). There, she analysed and monitored the player's load in American football, basketball, ice hockey, soccer (football), lacrosse, and field hockey and integrated data from GPS, heart rate, and other wearable technology into training programs, game reports, and return to play protocols.

Degrees

2019, University of Groningen, Netherlands, PhD Small-sided games in elite soccer: performance and behavior compared to the official match
2012, University of Groningen, Netherlands, MSc Human Movement Science - Sport, learning, and performance
2010, University of Groningen, Netherlands, BSc Human Movement Science

Academic appointments

Lecturer in Performance Analysis and Analytics, School of Sport and Exercise Sciences, Liverpool John Moores University, 2020 - present
Postdoctoral Research Fellow Sport Data & Analysis, Exercise and Sport Science Initiative, University of Michigan–Ann Arbor, 2019 - 2020
PhD candidate Small-sided games, Center for Human Movement Sciences, University of Groningen, 2013 - 2019

Postgraduate training

Postdoctoral Training, United States, University of Michigan–Ann Arbor, 2019 - 2020
PhD education and training program, Netherlands, University of Groningen, 2013 - 2019

Journal article

Riboli A, Olthof S, Esposito F, Coratella G. 2021. Training elite youth soccer players: area per player in small-sided games to replicate the match demands Biology of Sport, 39 :579-598 DOI Public Url

Olthof SBH, Frencken WGP, Lemmink KAPM. 2019. A match-derived relative pitch area facilitates the tactical representativeness of small-sided games for the official soccer match Journal of Strength and Conditioning Research, 33 :523-530 DOI Author Url Public Url

Olthof SBH, Frencken WGP, Lemmink KAPM. 2019. When Something Is at Stake: Differences in Soccer Performance in 11 vs. 11 during Official Matches and Training Games Journal of Strength and Conditioning Research, 33 :167-173 DOI Author Url Public Url

Olthof SBH, Frencken WGP, Lemmink KAPM. 2018. Match-derived relative pitch area changes the physical and team tactical performance of elite soccer players in small-sided soccer games Journal of Sports Sciences, 36 :1557-1563 DOI Author Url Public Url

Olthof SBH, Frencken WGP, Lemmink KAPM. 2015. The older, the wider: On-field tactical behavior of elite-standard youth soccer players in small-sided games HUMAN MOVEMENT SCIENCE, 41 :92-102 DOI Author Url

Conference publication

Olthof SBH, Frencken WGP, Lemmink KAPM. 2016. Small-Sided Games: An Optimal Training Tool to Represent Tactical Match Demands in Elite-Standard Youth Soccer Players? RESEARCH QUARTERLY FOR EXERCISE AND SPORT, 87 :S48-S48 Author Url

Conference presentation:

Seasonal Variation of the Acceleration-Deceleration (AD) Ratio by Position in Basketball, 25th Conference of the European College of Sport Science (ECSS), Oral presentation. 2020

The effect of playing home or away on game demands in NCAA Division-I male basketball players, 25th Conference of the European College of Sport Science (ECSS), Oral presentation. 2020

Sport-specific and wearable technology to enhance training, recovery and sport performance, 47th Midwest Chapter of the American College of Sports Medicine (MWACSM), Oak Brook, IL, USA, Seminar. 2019

Physical performance in small-sided games and official matches, 3rd Science and Engineering Conference on Sports Innovations (SECSI), Groningen, the Netherlands, Oral presentation. 2018

Age-related team-tactical differences in full-sized matches, 5th World Conference on Science and Soccer (WCSS), Rennes, France, Poster presentation. 2017

The effect of match-derived relative pitch area in 5-a-side games on team tactical performance in under-19 talented soccer players, 5th World Conference on Science and Soccer (WCSS), Rennes, France, Oral presentation. 2017

Small-sided games: an optimal training tool to represent tactical match demands in elite-standard youth soccer players?, 6th International Teaching Games for Understanding Conference (TGfU), Cologne, Germany, Oral presentation. 2016

Tactical team performance in elite-standard youth soccer during small-sided games, 1st Science and Engineering Conference on Sports Innovations (SECSI), Amsterdam, the Netherlands, Oral presentation. 2016

Attacking and defending team behaviour in 8v8 and 11v11, 8th World Conference on Science & Football (WCSF), Copenhagen, Denmark, Oral presentation. 2015

Team dynamics during transition moments in small-sided soccer games, 8th World Conference on Science & Football (WCSF), Copenhagen, Denmark, Oral presentation. 2015

Standardized small-sided games evoke different physiological responses in elite-standard youth soccer players, 19th Conference of the European College of Sport Science (ECSS), Amsterdam, the Netherlands, Oral presentation. 2014

Heart rate recovery during the Interval Shuttle Run Test in talented soccer players, 11th Groningen Sports Medicine Symposium, Groningen, the Netherlands, Poster presentation. 2013

Pass-options in elite soccer, 3rd World Conference on Science and Soccer (WCSS), Ghent, Belgium, Poster presentation. 2012

Teaching qualification:

University Teaching Qualification for Higher Education. 2019

Award:

Young Investigator Award, World Conference on Science and Soccer, https://wcss-rennes2017.sciencesconf.org/resource/page/id/26. 2017

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