Passive muscle properties are altered in children with cerebral palsy before the age of 3 years and are difficult to distinguish clinically from spasticity: Willerslev-Olsen M et al.

Developmental Medicine & Child Neurology ©  2013 Mac Keith Press 
DOI: 10.1111/dmcn.12124
Maria Willerslev-Olsen  1,2
Jakob Lorentzen   1,2
Thomas SinkjÆr  3
Jens BO Nielsen  1


1   Department of Exercise and Sport Sciences and Department of Neuroscience and Pharmacology, University of Copenhagen, Copenhagen;
Helene Elsass Center, Charlottenlund; 
3  Danish National Research Foundation, Copenhagen, and Center for Sensory-Motor Interaction, Aalborg University, Aalborg, Denmark.
Correspondence to Maria Willerslev-Olsen, Department of Exercise and Sport Sciences and Department of Neuroscience and Pharmacology, Panum Institute, University of Copenhagen,Blegdamsvej 3, 2200 Copenhagen N, Denmark. E-mail: mwillerslev@gmail.com