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Niels Waterval, PhD

Researcher focussing on orthotic devices and understanding pathological gait

Publications

Fellowship Precision Orthotics

Ankle‐foot orthoses for improving walking in people with calf muscle weakness due to neuromuscular disorders." The Cochrane Database of Systematic Reviews 2021.9 (2021).

Duijnhoven, E., Waterval, N. F., Koopman, F. S., Esquenazi, A., Tyson, S., Nollet, F., & Brehm, M. A. (2021).

Forward simulations to predict the optimal AFO stiffness (SIM-AFO)

Minimization of metabolic cost of transport predicts changes in gait mechanics over a range of ankle-foot orthosis stiffnesses in individuals with bilateral plantar flexor weakness (2022). Preprint.

B. Kiss, N.F.J. Waterval, M.M. van der Krogt, M.A. Brehm, T. Geijtenbeek,J. Harlaar,A. Seth

The effect of subject characteristics and walking speed on optimal ankle foot orthosis stiffness– a predictive simulation study (2022). Conference abstract ESMAC

N.Waterval, M.A.Brehm, F.Nollet, K.Veerkamp, J.Harlaar, T.Geijtenbeek, M.van der Krogt.

Predictive simulations to understand gait in cerebral palsy

Comments on Harkness-Armstrong et al.(2021)'In vivo operating lengths of the gastrocnemius muscle during gait in children who idiopathically toe-walk'." Experimental physiology 107.12 (2022): 1521-1524.

Veerkamp, K., van der Krogt, M. M., Waterval, N. F., Geijtenbeek, T., Walsh, H. P., Harlaar, J., Lloyd, D. & Carty, C. P.

Validation of forward simulations to predict the effects of bilateral plantarflexor weakness on gait." Gait & Posture 87 (2021): 33-42.

Waterval, N. F. J., Veerkamp, K., Geijtenbeek, T., Harlaar, J., Nollet, F., Brehm, M. A., & van der Krogt, M. M.

Evaluating cost function criteria in predicting healthy gait." Journal of Biomechanics 123 (2021): 110530.

Veerkamp, K., Waterval, N. F. J., Geijtenbeek, T., Carty, C. P., Lloyd, D. G., Harlaar, J., & van der Krogt, M. M.

PROOF-AFO and effect of precision orthotics on gait

Energy cost optimized dorsal leaf ankle-foot-orthoses reduce impact forces on the contralateral leg in people with unilateral plantar flexor weakness." Gait & Posture 92 (2022): 71-76.

Waterval, N. F. J., Brehm, M. A., Harlaar, J., & Nollet, F.

The relationship between quantitative magnetic resonance imaging of the ankle plantar flexors, muscle function during walking and maximal strength in people with neuromuscular diseases." Clinical Biomechanics 94 (2022): 105609.

Waterval, N. F. J., Meekes, V. L., Hooijmans, M. T., Froeling, M., Jaspers, R. T., Oudeman, J., Nederveen, A., Brehm, M.A., & Nollet, F.

Individual stiffness optimization of dorsal leaf spring ankle–foot orthoses in people with calf muscle weakness is superior to standard bodyweight-based recommendations." Journal of neuroengineering and rehabilitation 18.1 (2021): 1-9.

Waterval, N. F., Brehm, M. A., Harlaar, J., & Nollet, F.

Stiffness-optimized ankle-foot orthoses improve walking energy cost compared to conventional orthoses in neuromuscular disorders: a prospective uncontrolled intervention study." IEEE Transactions on Neural Systems and Rehabilitation Engineering 28.10 (2020): 2296-2304

Waterval, N. F., Brehm, M. A., Altmann, V. C., Koopman, F. S., Den Boer, J. J., Harlaar, J., & Nollet, F.

Description of orthotic properties and effect evaluation of ankle-foot orthoses in non-spastic calf muscle weakness." Journal of Rehabilitation Medicine 52.3 (2020): 1-10.

Waterval, N. F., Brehm, M. A., Harlaar, J., & Nollet, F.

Modifying ankle foot orthosis stiffness in patients with calf muscle weakness: gait responses on group and individual level. Journal of neuroengineering and rehabilitation 16.1 (2019): 1-9

Waterval, N. F., Nollet, F., Harlaar, J., & Brehm, M. A.

Stiffness modification of two ankle-foot orthosis types to optimize gait in individuals with non-spastic calf muscle weakness–a proof-of-concept study." Journal of Foot and Ankle Research 12.1 (2019): 1-12.

Ploeger, H. E., Waterval, N. F., Nollet, F., Bus, S. A., & Brehm, M. A.

Compensations in lower limb joint work during walking in response to unilateral calf muscle weakness." Gait & posture 66 (2018): 38-44.

Waterval, N. F., Brehm, M. A., Ploeger, H. E., Nollet, F., & Harlaar, J.

Precision orthotics: optimising ankle foot orthoses to improve gait in patients with neuromuscular diseases; protocol of the PROOF-AFO study, a prospective intervention study." BMJ open 7.2 (2017): e013342.

Waterval, N. F., Nollet, F., Harlaar, J., & Brehm, M. A.

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