"How Well" and "How Often" questions for birth brachial plexus injury: a validity and reliability of the pediatric upper extremity motor activity log-revised.

The PMAL-R has good reliability and validity for measuring everyday use of the affected arm with "how often" and "how well" questions in children with BBPI. Implications for rehabilitationThe pediatric upper extremity motor activity log-revised (PMAL-R) is the first tool to assess both "how often" and "how well" the affected arm is used in unimanual activities in children with BBPI.PMAL-R is a real-world measure providing valuable information about "how often" and "how well" the affected arm is used to guide treatment.PMAL-R is valid in both concurrent and discriminative validity in children with BBPI.PMAL-R is reliable in children with BBPI.