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Author Liebermann, D.G.; Issurin V.
Title Effects of vibratory stimulation on the perception of effort during isotonic contractions Type Journal Article
Year 1997 Publication Journal of Human Movement Studies Abbreviated Journal
Volume 32 Issue Pages 171-186
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Call Number Serial 61
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Author Uri, O.; Pritsch, M.; Oran, A.; Liebermann, D.G.
Title Upper limb kinematics after arthroscopic and open shoulder stabilization Type Journal Article
Year 2014 Publication Journal of Shoulder and Elbow Surgery Abbreviated Journal Journal of Shoulder and Elbow Surgery
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ISSN 1058-2746 ISBN Medium
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Call Number Serial 75
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Author Levin, M.F.; Liebermann, D.G.; Parmet, Y.; Berman, S.
Title Compensatory Versus Noncompensatory Shoulder Movements Used for Reaching in Stroke Type Journal Article
Year 2015 Publication Neurorehabilitation and Neural Repair Abbreviated Journal Neurorehabil Neural Repair
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Keywords adaptation; arm movement; compensation; kinematics; recovery; rehabilitation
Abstract BACKGROUND: The extent to which the upper-limb flexor synergy constrains or compensates for arm motor impairment during reaching is controversial. This synergy can be quantified with a minimal marker set describing movements of the arm-plane. OBJECTIVES: To determine whether and how (a) upper-limb flexor synergy in patients with chronic stroke contributes to reaching movements to different arm workspace locations and (b) reaching deficits can be characterized by arm-plane motion. METHODS: Sixteen post-stroke and 8 healthy control subjects made unrestrained reaching movements to targets located in ipsilateral, central, and contralateral arm workspaces. Arm-plane, arm, and trunk motion, and their temporal and spatial linkages were analyzed. RESULTS: Individuals with moderate/severe stroke used greater arm-plane movement and compensatory trunk movement compared to those with mild stroke and control subjects. Arm-plane and trunk movements were more temporally coupled in stroke compared with controls. Reaching accuracy was related to different segment and joint combinations for each target and group: arm-plane movement in controls and mild stroke subjects, and trunk and elbow movements in moderate/severe stroke subjects. Arm-plane movement increased with time since stroke and when combined with trunk rotation, discriminated between different subject groups for reaching the central and contralateral targets. Trunk movement and arm-plane angle during target reaches predicted the subject group. CONCLUSIONS: The upper-limb flexor synergy was used adaptively for reaching accuracy by patients with mild, but not moderate/severe stroke. The flexor synergy, as parameterized by the amount of arm-plane motion, can be used by clinicians to identify levels of motor recovery in patients with stroke.
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ISSN 1545-9683 ISBN Medium
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Notes PMID:26510934 Approved no
Call Number Serial 79
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Author Frenkel-Toledo, S.; Levin, M.F.; Berman, S.; Liebermann, D.G.; Baniña, M.C.; Solomon, J.M.; Ofir-Geva, S.; Soroker, N.
Title Shared and distinct voxel-based lesion-symptom mappings for spasticity and impaired movement in the hemiparetic upper limb Type Journal Article
Year 2022 Publication Scientific Reports Abbreviated Journal Sci Rep
Volume 12 Issue 1 Pages
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ISSN 2045-2322 ISBN Medium
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Call Number Serial 113
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