Reproducibility of Maximal and Submaximal Exercise Testing in “Normal Ambulatory” and “Community Ambulatory” Children and Adolescents With Spina Bifida: Which Is Best for the Evaluation and Application of Exercise Training?

J.F. de Groot, PT, MSc, is Researcher, Research Group Lifestyle and Health, University of Applied Sciences, Utrecht, the Netherlands, and Department of Pediatric Physical Therapy and Exercise Physiology, Child Development and Exercise Center, Wilhelmina Children's Hospital, University Medical Center Utrecht, Room kb.02.056.0. PO Box 85090, 3508 AB Utrecht, the Netherlands.

T. Takken, PhD, is Medical Physiologist, Department of Pediatric Physical Therapy and Exercise Physiology, Child Development and Exercise Center, Wilhelmina Children's Hospital, University Medical Center Utrecht.

R.H.J.M. Gooskens, PhD, is Medical Doctor, Department of Child Neurology, Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht.

M.A.G.C. Schoenmakers, PhD, is Physical Therapist, Child Development and Exercise Center, Wilhelmina Children's Hospital, University Medical Center Utrecht.

M. Wubbels is Physical Therapist, School of Physical Therapy, University of Applied Sciences Utrecht.

L. Vanhees, PhD, is Professor, Research Group Lifestyle and Health, University of Applied Sciences, Utrecht, the Netherlands, and Department of Rehabilitation Sciences, Catholic University of Leuven, Leuven, Belgium.

P.J.M. Helders, PhD, is Professor, Department of Pediatric Physical Therapy and Exercise Physiology, Child Development and Exercise Center, Wilhelmina Children's Hospital, University Medical Center Utrecht.