Dianne J Russell is Research and Knowledge Exchange Consultant and Professor Emeritus with CanChild Centre for Childhood Disability Research. Dianne has been a health services researcher for over 30 years and a key individual in the development, evaluation and dissemination of clinical outcome measures such as the Gross Motor Function Measure (GMFM). Her consulting is focused on facilitating the use of research evidence in practice by engaging with research users throughout the research process and by making research results easily accessible in multiple formats to families, service providers, and policy decision-makers.

Marilyn Wright is Clinical Consultant, CanChild Centre for Childhood Disability Research, Assistant Clinical Professor, McMaster University, Physiotherapist, McMaster Children's Hospital. Marilyn is a physiotherapist who has worked in paediatric rehabilitation, research and education. This has included the development of Gross Motor Function Measure education and evaluation materials.

Peter Rosenbaum is Canada Research Chair in Childhood Disability Co-Founder, CanChild Centre for Childhood Disability Research, a Developmental Paediatrician, health services research, teacher, writer and editor. His career has been devoted to childhood disability, and all his roles have involved work with, or about, children with impairments and their families. He has held over 75 research grants and has contributed to almost 300 peer-reviewed papers, book chapters, editorials and invited commentaries in his field.

Lisa Avery is a statistical consultant specialising in longitudinal modelling and measurement development.

Contributors

Preface to the Third Edition

Preface to the Second Edition

Preface to the First Edition

Acknowledgements to the Third Edition

Acknowledgements to the Second Edition

Acknowledgments to the First Edition

Disclaimer

CHAPTER 1: Overview of the Gross Motor Function Measure (GMFM)

CHAPTER 2: Conceptual Background

CHAPTER 3: Development and Validation of the GMFM-88

CHAPTER 4: Development and Validation of the GMFM-66

CHAPTER 5: GMFM-66: Two Short Forms of Administration

CHAPTER 6: Part 1: Administration and Scoring Guidelines for GMFM-88 and GMFM-66

CHAPTER 6: Part 2: GMFM-88 and GMFM-66 Item Scoring Guidelines

CHAPTER 7: Interpretation and Uses of the GMFM-88 andGMFM-66

CHAPTER 8: Applications of the GMFM: What We, and Colleagues Around the World, Have Learned, and Where Can We Go Next?

References

Glossary of Terms

APPENDIX 1: Methods of Displaying Item Difficulty

APPENDIX 2: Display of Item Difficulties Using Thurstone Thresholds

APPENDIX 3: GMFM App+ Tutorial (Multi-User and Single-User Versions)

APPENDIX 4: Case Scenarios of Two Children Who Misfit the GMFM-66 Item Difficulty Model

APPENDIX 5: GMFM-66 Item Set Score Sheet

GMFM-66 Basal & Ceiling Score Sheet APPENDIX

APPENDIX 6: GMFM-66 Basal & Ceiling Score Sheet

APPENDIX 7: Gross Motor Function Classification System -Expanded & Revised (GMFCS-E&R)

APPENDIX 8: GMFM-88 and GMFM-66 Score Sheet

APPENDIX 9: GMFM-66 and GMFM-88 Cross-Sectional and Change Scores

APPENDIX 10: Standard Error of Measurement

APPENDIX 11: Case Scenario of Trevor

APPENDIX 12: Additional Examples of the Use of the Motor Measures with Children with Cerebral Palsy in Physical Therapy Practice

APPENDIX 13: Ontario Motor Growth Curves

APPENDIX 14: The GMAE-3 and GMFM App+

Index