| Records |
| Author |
Liebermann, D.G.; Issurin V. |
| Title |
Effects of vibratory stimulation on the perception of effort during isotonic contractions |
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Journal Article |
| Year |
1997 |
Publication |
Journal of Human Movement Studies |
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32 |
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171-186 |
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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 |
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Journal Article |
| Year |
2014 |
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Journal of Shoulder and Elbow Surgery |
Abbreviated Journal |
Journal of Shoulder and Elbow Surgery |
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1058-2746 |
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no |
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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 |
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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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English |
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1545-9683 |
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PMID:26510934 |
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no |
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79 |
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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 |
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Journal Article |
| Year |
2022 |
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Scientific Reports |
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Sci Rep |
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12 |
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1 |
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2045-2322 |
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no |
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113 |
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