Member Profile

Dr. Janjaap van der Net
PhD, PT, PCS

Dr Van der Net graduated from the Dutch institute for Higher Education at Utrecht with a BSc. in Physical Therapy in 1979. 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 1984, Dr Van der Net was among the first students to enter the first comprehensive pediatric physical therapy course (3yrs) in the Netherlands. In 1987 he graduated as Pediatric Clinical Specialist (PCS) and became a registered Pediatric Clinical Specialist in the Netherlands. In 1993 he started his PhD work on clinimetrics 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 Child Development and Exercise Center at the University Children’s Hospital. In 2014 he was promoted to associate professor in pediatrics and clinical health sciences. In the same year he became director of a transdisciplinary Developmental & Integrated Care program.
Besides his professional career Dr Van der Net was also president of the Dutch Association in Pediatric Physical Therapy 2007-2014), Member of the science board of the Royal Dutch Association of Physical Therapy, and editorial board member of Pediatric Physical Therapy and Pediatric Rheumatology.

Key Publications
  1. Van Brussel M; van der Net J; Hulzebos E; Helders P JM.; Takken T. Perspective: The Utrecht approach to exercise in chronic childhood conditions: the decade in review. Pediatric Physical Therapy 2011; 23(1):2-14.

  2. Feldman BM, Funk SM, Bergstrom BM, Zourikian N, Hilliard P, van der Net J, Engelbert R, Petrini P, van den Berg HM, Manco-Johnson MJ, Rivard GE, Abad A, Blanchette VS. Validation of a new pediatric joint scoring system from the International Hemophilia Prophylaxis Study Group: validity of the hemophilia joint health score. Arthr Care Res 2011;63(2):223-30.

  3. W Groen, T Takken, J van der Net, PJM Helders, K Fischer. Habitual physical activity in Dutch children and adolescents with Haemophilia. Heamophilia 2011;17:1-7.

  4. W. Groen,  J. van der Net,  K. Bos,  A. Abad, B-M. Bergstrom, V. S. Blanchette,  B. M. Feldman,  S. Funk,  P. Helders,  P. Hilliard,  M. Manco-Johnson, P. Petrini, N. Zourikian,  K. Fischer. Joint Health and Functional Ability in Children with Haemophilia who receive Intensive Replacement Therapy. Heamophilia 2011;17(5):783-790.

  5. Groen, W.G., Uijl, I.E.M. den, Net, J. van der, Grobbee, D.E., Groot, P.G. de & Fischer, K. Protected by nature? Effects of strenuous physical exercise on FVIII activity in moderate and mild haemophilia A patients: a pilot study. Haemophilia,2013; 19(4), 519-523

Current Positions/Chairs:

  • Associate professor
    Pediatrics, University Medical Center Utrecht
  • Associate professor
    Clinical Health Sciences, University of Utrecht
  • Director
    Child Development, Education and Family services
  • Department Head
    Child Development and Exercise Center
  • President
    Dutch Association for Pediatric Physical Therapy

Key Institutions

  • Wilhelmina Children's Hospital, University Medical Center Utrecht
    Child Development and Exercise Center
    Utrecht, Netherlands

Research Activities

  • Participant of SHARE (Single Hub and Access point for pediatric Rheumatology in Europe)- coordinator for the Allied Health section
  • Coordinator of Myoflammation, a collaborative study consortium on muscles in childhood inflammatory conditions
  • Coordinator of the Activity & Health program at the University Children’s Hospital

Research Interests

  • Child Health
  • Activity & Health in childhood chronic conditions
  • Fatigue and fatigability
  • Pediatric musculoskeletal disorders

Publications

October 15, 2020

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

Authors
Kuijlaars IAR, van der Net J, Feldman BM, Aspdahl M, Bladen M, de Boer W, CuestaBarriuso R, Matlary RED, Funk SM, Hilliard P, John JA, Kempton CL, de Kleijn P, MancoJohnson M, Petrini P, Poonnoose P, St-Louis J, Thomas S, Timmer MA, Trakymiene SS, van Vlimmeren L, Fischer K
Citation
Haemophilia. 2020 Oct 15. doi: 10.1111/hae.14180. Epub ahead of print. PMID: 33058441.
May 11, 2014

Global utilization of the International Prophylaxis Study Group (IPSG) physical therapy education web-site module

The XXX World Federation of Hemophillia Congress (May 11 -15, 2014 – Melbourne, Australia)
Authors
Hilliard P, Abad A, Feldman B M, Funk S, Manco-Johnson M, Petrini P, van der Net J, Zourikian N, and Blanchette VS on behalf of the International Prophylaxis Study Group
Citation
January 28, 2011

Validation of a new pediatric joint scoring system from the International Hemophilia Prophylaxis Study Group: Validity of the Hemophilia Joint Health Score (HJHS).

Authors
Feldman BM, Funk S, Bergstrom B-M, Zourikian N, Hilliard P, van der Net J, Engelbert RHH, Petrini P, van den Berg M , Manco-Johnson M, Rivard GE, Abad A, and Blanchette VS.
Citation
Arthritis Care & Research 2011 Feb; 63 (2):223-30.
July 1, 2008

The Haemophilia Joint Health Score (HJHS) international validation study.

Authors
Feldman B M, Funk S, Hilliard P, van der Net J, Zourikian N, Bergstrom B-M, Engelbert RHH, Abad A, Petrini P, Manco-Johnson M, and on behalf of the International Prophylaxis Study Group.
Citation
Haemophilia 2008, 14 (S2), 83 # 12 PO 85.
June 1, 2008

PT HJHS Pre-Congress Workshop

The XXVII International Congress of the World Federation of Hemophillia (June 1-5, 2008 – Istanbul, Turkey)
Authors
Hilliard, P, Funk S, Zourikian N, Bergstrom B-M, van der Net JJ, and Feldman BM
Citation
June 1, 2008

The Haemophilia Joint Health Score (HJHS) international validation study

The XXVIII World Federation of Hemophillia Congress (June 1-5, 2008 – Istanbul, Turkey).
Authors
Feldman B M, Funk S, Hilliard P, van der Net J, Zourikian N, Bergstrom B-M, Engelbert RHH, Abad A, Petrini P, Manco-Johnson M, and on behalf of the International Prophylaxis Study Group.
Citation
April 23, 2008

Introduction of Hemophilia Joint Health Score

Second Buzias Hemophilia Rehab Meeting (April 23-24, 2008 - Buzias, Romania)
Authors
van der Net J
Citation