Publications

The research team has published several articles in recent years.

Dissertation and brochure

Press

Alpe d’HuZes for tough wheelchair users (North Hollands Dagblad article about the research)
In-depth research into the HandbikeBattle by Ingrid Kouwijzer (Handbiken.nl)
HandbikeBattle (Spinal Research Institute – Why Research Matters)

International magazines

Mountain time trial in handcycling: exercise intensity and predictors of race time in people with spinal cord injury . S. de Groot, K. Postma, L. van Vliet, R. Timmermans, L. Valent. Spinal Cord. 2014,52(6):455-61.
Effects of four-month handbike training under free-living conditions on physical fitness and health in wheelchair users . S. Hoekstra S, L. Valent, D. Gobets, L. van der Woude, S. de Groot. Disabil Rehabil. 2017, 39(16): 1581-1588.
Relationship between internal and external handcycling training load in people with spinal cord injury . S. de Groot, S.P. Hoekstra, P. Grandjean Perrenod Comtesse, I. Kouwijzer, L.J. Valent. J Rehabilitation Med. 2018, 50(3):261-268.
Effect of self-guided training for the HandbikeBattle on body composition in people with spinal cord injury . S.de Groot, I. Kouwijzer, M. Baauw, HandbikeBattle, R. Broeksteeg, L. Valent. Spinal Cord Series and Cases. 2018, 4(79) eCollection.
Is Fitbit Charge 2 a feasible instrument to monitor daily physical activity and handbike training in persons with spinal cord injury? A pilot study. M. Maijers, O. Verschuren, J. Stolwijk-Swüste, C. van Koppenhagen, S. de Groot, M. Post. Spinal Cord Series and Cases. 2018, 4(84) eCollection.
Interrater and intrarater reliability of ventilatory thresholds determined in individuals with spinal cord injury . I. Kouwijzer, R. Cowan, J. Maher, F. Groot, F. Riedstra, L. Valent, L. van der Woude, S. de Groot. Spinal Cord. 2019, 57(8): 669-678.
The influence of protocol design on the identification of ventilatory thresholds and the attainment of peak physiological responses during synchronous arm crank ergometry in able-bodied participants . I. Kouwijzer, M. Valize, L. Valent, P. Grandjean Perrenod Comtesse, L. van der Woude, S. de Groot. Eur J Appl Physiol. 2019, 119(10): 2275 – 2286.
Peak power output in handcycling of individuals with a chronic spinal cord injury: predictive modeling, validation and reference values . I. Kouwijzer, L. Valent, R. Osterthun, L. van der Woude, S. de Groot. Handbike Battle group. Disabil Rehabil. 2020, 42(3): 400-409.
Changes in quality of life during training for the HandbikeBattle and associations with cardiorespiratory fitness . I. Kouwijzer, S. de Groot, C. van Leeuwen, L. Valent, C. van Koppenhagen, HandbikeBattle group, L. van der Woude, M. Post. Arch Phys Med Rehabilitation. 2020, 101: 1017-1024.
Sport participation after the HandbikeBattle: benefits, barriers, facilitators from the event-a follow-up survey . S. de Groot, I. Kouwijzer, L. Valent, M. Hagoort, A. Ten Hoorn, HandbikeBattle group, L. van der Woude, M. Post. Spinal Cord Series and Cases 2020 Jun 29;6(1):54.
Training for the HandbikeBattle: an explorative analysis of training load and handcycling physical capacity in recreationally active wheelchair users . I. Kouwijzer, L. Valent, C. van Bennekom, HandbikeBattle group, M. Post, L. van der Woude, S. de Groot. Disabil Rehabil. 2020 Nov 4; 1-10. Online ahead of print.
Good association between sprint power and aerobic peak power during asynchronous arm-crank exercise in people with spinal cord injury . S de Groot, I. Kouwijzer, L. Valent, L. van der Woude, M. Nash, R. Cowan. Disabil Rehabil. 2021, 43(3):378-385.
The course of physical capacity in wheelchair users during training for the HandbikeBattle and at 1-Yr follow-up . I. Kouwijzer, L. Valent, M. Post, L. Wilders, A. Grootoonk, L. van der Woude, S. de Groot, HandbikeBattle group. Am J Phys Med Rehabil. 2021, 100(9):858-865.
Low drop-out rates in the HandbikeBattle free-living training study: understanding the reasons for dropping out . J. Palsma, I. Kouwijzer, J. Adriaansen, L. Valent, L. van der Woude, HandbikeBattle group, M. Post, S. de Groot. Spinal Cord Series and Cases 2022; 8(1):20.

National magazines

Training for the HandbikeBattle: Effects on Fitness and Recovery . L.J.M. Valent, D. Gobets, L. Holst, L. van Vliet, K. Postma, S. de Groot. Dutch Journal of Rehabilitation Medicine 2014, 3: 99-104.
Training for the HandbikeBattle: Mental Effects . C.M.C. van Leeuwen, J. Verwer, C.F. van Koppenhagen, R. Timmermans, S. de Groot, L.J.M. Valent. Dutch Journal of Rehabilitation Medicine 2014, 3: 105-108.
Valid monitoring of handbike training . S. Hoekstra, LJM Valent, P. Grandjean Perrenod Comtesse, S. de Groot. Sport-oriented 2015, 5: 18-22.
Learning from the HandbikeBattle . I. Kouwijzer. Spinal Injury Magazine 2018, 41(3), 24-25.
Fitter thanks to hand biking . Rehabilitation Magazine 2019.
Fitter through the HandbikeBattle . I. Kouwijzer. Spinal Injury Magazine 2021, 44(1), 24-25.
The HandbikeBattle Research Project . I. Kouwijzer. Dutch Journal of Rehabilitation Medicine 2021, 4:56-57.
HandbikeBattle makes Anke (60), Thijn (16) and many others fitter and happier . Rehabilitation Magazine 2021.

Factsheets
The results from the HandbikeBattle study can be found in accessible fact sheets:

Online

HandbikeBattle is a ‘life changing experience’ for many wheelchair users (All about Sport)
HandbikeBattle makes the participants fitter and improves their quality of life (All about Sport)