Reliability of a Smartphone App to Objectively Monitor Performance Outcomes in Degenerative Cervical Myelopathy: Observational Study

Alvaro Yanez Touzet   ^{1, 2} , BSc (Hons) ;   Tatiana Houhou   ^{3 *} , BSc ;   Zerina Rahic   ^{3 *} , BSc ;   Angelos Kolias   ^{4, 5, 6} , MBBS, MSc, MRCS, PhD ;   Stefan Yordanov   ⁴ , MRCS ;   David B Anderson   ⁷ , PhD ;   Ilya Laufer   ⁸ , MD ;   Maggie Li   ⁷ , BASc (Hons) ;   Gordan Grahovac   ⁹ , MD, PhD ;   Mark RN Kotter   ^{2, 10, 11} , MPhil, MD, PhD ;   Benjamin M Davies   ^{2, 12} , BSc, MBChB (Hons), MPhil, MRCS ;   MoveMed Ltd   ^{13 *}

¹ School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom

² MoveMed Ltd., Cambridge, United Kingdom

³ Division of Science, New York University Abu Dhabi, Abu Dhabi, United Arab Emirates

⁴ Division of Neurosurgery, Addenbrooke's Hospital, University of Cambridge, Cambridge, United Kingdom

⁵ ANAPLASI Rehabilitation Centre, Athens, Greece

⁶ 1st Neurosurgery Department, Henry Dunant Hospital Center, Athens, Greece

⁷ Faculty of Medicine and Health, Sydney School of Health Sciences, The University of Sydney, Sydney, Australia

⁸ New York University Langone Health, New York, NY, United States

⁹ King's College Hospital, Kings NHS Foundation Trust, Denmark Hill, London, United Kingdom

¹⁰ Department of Clinical Neurosurgery, University of Cambridge, Cambridge, United Kingdom

¹¹ Department of Clinical Neurosciences, Ann McLaron Laboratory of Regenerative Medicine, Cambridge, United Kingdom

¹² Department of Clinical Neurosciences, University of Cambridge, Cambridge, United Kingdom

¹³ See Acknowledgements, Cambridge, United Kingdom

*these authors contributed equally