dr. J. (Janjaap) van der Net

dr. J. (Janjaap) van der Net

Associate Professor
dr. J. (Janjaap) van der Net
  • Clinical Health Sciences

Research Programs

Child Health



Dr Van der Net graduated from the Dutch institute for Higher Education at Utrecht with a BSc. in Physical Therapy in 1979. In 1984, Dr Van der Net was among the first students to enter the first comprehensive pediatric physical therapy course (3yrs) in the Netherlands (now MSc. pediatric physical therapy). In 1987 he  graduated as Pediatric Clinical Specialist (PCS) and became a registered Pediatric Clinical Specialist in the Netherlands. In 1983 he did an internship at the Hospital for Sick Children in Toronto, Canada, with a special focus on Musculoskeletal conditions and pediatric burns. In 1993 he started his PhD work on clinimetrics and functional outome in childhood rheumatic conditions, and in 1995 he received his  PhD. on the thesis: Functional Aspects in Childhood Rheumatic Conditions. In 2010, he succeeded Dr Paul Helders, as head of the Center for Child Development, Exercise and physical literacy at the University Children’s Hospital.  As from 2010 he tutors students of the second year MSc. in Clinical Health Sciences with their MSc-thesis towards their graduation since then. In 2014 he was assigned to associate professor in Pediatrics and in Clinical Health Sciences. In 2014 he received his Advanced Teaching Certificate at the Utrecht University. From 2014 -2019 he was director of the Child Health Services at the University Children's Hospital. Currently he still holds the position of head Center for Child Development, Exercise and physical literacy at the University Children’s Hospital. 


Side Activities

Currently he holds an international position as Co-Chair for the International Prophylaxis Study Group (the IPSG;; November 2014

As from 2019 he is member of the scientific committe of the Dutch association of pediatric physiotherapy.


Fellowship and Awards

Recipient of:

Nationale Reuma prijs 1998

Research Output (217)

Motor Developmental Delay After Cardiac Surgery in Children With a Critical Congenital Heart Defect:A Systematic Literature Review and Meta-analysis

Sprong Maaike C A, Broeders Willem, van der Net Janjaap, Breur Johannes M P J, de Vries Linda S, Slieker Martijn G, van Brussel Marco 1 okt 2021, In: Pediatric physical therapy : the official publication of the Section on Pediatrics of the American Physical Therapy Association. 33 , p. 186-197 12 p.

Similar sports participation as the general population in Dutch persons with haemophilia; results from a nationwide study

Versloot Olav, van Balen Erna C, Hassan Shermarke, Schols Saskia E M, Leebeek Frank W G, Eikenboom Jeroen, Coppens Michiel, van Vulpen Lize F D, Smit Cees, Driessens Mariëtte H E, van der Net Janjaap, Gouw Samantha C, Fischer Kathelijn, 19 jun 2021, In: Haemophilia. 27 , p. 876-885 10 p.

Parents' experiences of VOICE:A novel support programme in the NICU

van den Hoogen Agnes, Eijsermans Rian, Ockhuijsen Henriette D.L., Jenken Floor, Oude Maatman Sabine M., Jongmans Marian J., Verhage Lianne, van der Net Janjaap, Latour Jos M. mei 2021, In: Nursing in critical care. 26 , p. 201-208 8 p.

Sports participation is not associated with adherence to prophylaxis in Dutch patients with haemophilia

Hoefnagels Johanna Wilhelmina, Versloot Olav, Schrijvers Liesbeth H, van der Net Janjaap, Leebeek Frank W G, Gouw Samantha C, Fischer Kathelijn, 2021, In: Haemophilia. 27 , p. e402-e405

Shortening the paediatric Haemophilia Activities List (pedHAL) based on pooled data from international studies

Kuijlaars Isolde A.R., van der Net Janjaap, Bouskill Vanessa, Hilliard Pamela, Juodyte Agne, Khair Kate, Trakymiene Sonata Saulyte, Fischer Kathelijn 2021, In: Haemophilia. 27 , p. 305-313 9 p.

Assessing the test-retest reliability and smallest detectable change of the Haemophilia Activities List

Kuijlaars Isolde A R, van Emst Madelon, van der Net Janjaap, Timmer Merel A, Fischer Kathelijn 13 dec 2020, In: Haemophilia. 27 , p. 108-112 5 p.

Design strategies for promoting young children’s physical activity:A playscapes perspective

Boon Boudewijn, Rozendaal Marco C., van den Heuvel-Eibrink Marry M., van der Net Janjaap, van Grotel Martine, Stappers Pieter Jan dec 2020, In: International Journal of Design. 14 , p. 1-18 18 p.

Evaluating international Haemophilia Joint Health Score (HJHS) results combined with expert opinion:Options for a shorter HJHS

Kuijlaars Isolde A R, van der Net Janjaap, Feldman Brian M, Aspdahl Magnus, Bladen Melanie, de Boer Wypke, Cuesta-Barriuso Rubén, Matlary Ruth E D, Funk Sharon M, Hilliard Pamela, John Judy A, Kempton Christine L, de Kleijn Piet, Manco-Johnson Marilyn, Petrini Pia, Poonnoose Pradeep, St-Louis Jean, Thomas Sylvia, Timmer Merel A, Trakymiene Sonata Saulyte, van Vlimmeren Leo, Fischer Kathelijn 15 okt 2020, In: Haemophilia. 26 , p. 1072-1080 9 p.

Sports participation and sports injuries in Dutch boys with haemophilia

Versloot Olav, Timmer Merel A., de Kleijn Piet, Schuuring Marleen, van Koppenhagen Casper F., van der Net Janjaap, Fischer Kathelijn 4 apr 2020, In: Scandinavian Journal of Medicine & Science in Sports. 30 , p. 1256-1264 9 p.


Kuijlaars Isolde, van der Net Janjaap, Feldman Brian, Fischer Kathelijn 2020, In: Haemophilia. 26 , p. 85-85

All research output

Thank you for your review!

Has this information helped you?

Please tell us why, so that we can improve our website.

Working at UMC Utrecht





Practical maakt gebruik van cookies

Deze website maakt gebruik van cookies Deze website toont video’s van o.a. YouTube. Dergelijke partijen plaatsen cookies (third party cookies). Als u deze cookies niet wilt kunt u dat hier aangeven. Wij plaatsen zelf ook cookies om onze site te verbeteren.

Lees meer over het cookiebeleid

Akkoord Nee, liever niet