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Title: Stroke-affected upper extremity movement assessment via continuous relative phase analysis
Authors: Daunoravičienė, Kristina
Žižienė, Jurgita
Pauk, Jolanta
Idzkowski, Adam
Raudonytė, Inga
Juocevičius, Alvydas
Linkel, Artūras
Griškevičius, Julius
Keywords: Coordination
Continuous relative phase
Phase angle
Upper extremity movement
Upper extremity movement Stroke
Issue Date: 2017
Publisher: Elsevier Ltd
Citation: Daunoraviciene K., Ziziene J., Pauk J., Idzkowski A., Raudonyte I., Juocevicius A., Linkel A., Griskevicius J. 2017. Stroke-affected upper extremity movement assessment via continuous relative phase analysis, MEASUREMENT 110: 84–89. DOI: 10.1016/j.measurement.2017.06.011 .
Series/Report no.: 110;
Abstract: Paper presents the quantified assessment of stroke-affected upper extremity (UE) coordination via continuous relative phase (CRP) analysis. 14 post-stroke patients were divided into 3 groups based on the severity of impairment according to Wolf Motor Function Test (WMFT). CRP was determined based on UE kinematics parameters measured using inertial measurement units fixed on arm, forearm and hand while subjects performed designated movement. UE movement cycles were analysed based on the metrics derived from phase planes, the phase angle and CRP plots, as well as the calculated range of motions and CRP variability rates. It was found that CRP variability is associated with impairment level, i.e. it is decreasing with a higher level of dysfunction. Therefore, the CRP might serve as measurable quantity and could be valuable for supporting clinical assessment and quantifying impairment severity of UE motor functions.
ISSN: 1873-412X
Appears in Collections:Moksliniai straipsniai / Research articles

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