Upper extremity kinematics of a 3D reach-to-grasp-to-mouth task in sub-acute stroke survivors in comparison with healthy controls [version 1; peer review: 1 not approved]

Background Only 5-20% of stroke survivors exhibit almost complete motor recovery at six months post-stroke. The Stroke Recovery and Rehabilitation Roundtable (SRRR) Taskforce has recommended the use of performance assays that predict recovery. However, not much is known about the differences across various stroke severity groups. The purpose of this study was to determine whether kinematic parameters of time, average velocity, shoulder angles and elbow angles were able to distinguish upper extremity movement capacity in individuals with varying levels of stroke severity and healthy controls. Methods: This is a cross-sectional study, which is part of a large cohort study. 27 sub-acute stroke survivors (58.8 ± 12.7 years; 18 males, 9 females; categorized into mild (51-66), moderate (25-50) and severe ( Results: Movement time was significantly different between severe and all other stroke groups (mild [p Conclusions: Kinematic analysis of a reach-to-grasp-to-mouth task helps to differentiate between varying groups of severity post-stroke such as mild, moderate and severe, based on Fugl Meyer for Upper Extremity scores.