The results of this study provide supportive evidence for the convergent and divergent validity of the COPM. The data support the assumption that the COPM provides information that cannot be obtained with current standardized instruments to measure health.

This study reviews the instruments used for the clinical assessment of spasticity in children with cerebral palsy, and evaluates their compliance with the concept of spasticity, defined as a velocity‐dependent increase in muscle tone to passive stretch. Searches were performed in Medline, Embase, and Cinahl, including the keywords ‘spasticity’, ‘child’, and‘cerebral palsy’, to identify articles in which a clinical method to measure spasticity was reported. Thirteen clinical spasticity assessment instruments were identified and evaluated using predetermined criteria. This review consists of reports on the standardization applied for assessment at different velocities, testing posture, and quantification of spasticity. Results show that most instruments do not comply with the concept of spasticity; standardization of assessment method is often lacking, and scoring systems of most instruments are ambiguous. Only the Tardieu Scale complies with the concept of spasticity, but this instrument has a comprehensive and time–consuming clinical scoring system.

A semi-hard cervical collar and rest for three to six weeks or physiotherapy accompanied by home exercises for six weeks reduced neck and arm pain substantially compared with a wait and see policy in the early phase of cervical radiculopathy. Trial registration Clinical trials NCT00129714.

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