| Records |
| Author |
Liebermann, D.G.; Buchman, A.S.; Franks, I.M. |
| Title |
Enhancement of motor rehabilitation through the use of information technologies |
Type |
Journal Article |
| Year |
2006 |
Publication |
Clinical Biomechanics (Bristol, Avon) |
Abbreviated Journal |
Clin Biomech (Bristol, Avon) |
| Volume |
21 |
Issue |
1 |
Pages |
8-20 |
Keywords  |
Biotechnology/*methods; Humans; Medical Informatics/*methods; Motion Therapy, Continuous Passive/*methods; Movement Disorders/*rehabilitation; Musculoskeletal Manipulations/methods; Rehabilitation/*methods; Robotics/*methods; Therapy, Computer-Assisted/*methods |
| Abstract |
The recent development of information technologies has dramatically increased the tools available for facilitating motor rehabilitation. This review focuses on technologies which can be used to augment movement-related information both to patients as well as to their therapists. A brief outline of the motor system emphasizes the role of spinal motor neurons in the control of voluntary movement and rehabilitative efforts. Technologies which induce passive motion to stimulate spinal motor output as well as technologies that stimulate active voluntary movements are discussed. Finally, we review technologies and notational methods that can be used to quantify and assess the quality of movement for evaluating the efficacy of motor rehabilitation efforts. We conclude that stronger evidence is necessary to determine the applicability of the wide range of technologies now available to clinical rehabilitation efforts. |
| Address |
Department of Physical Therapy, Sackler Faculty of Medicine, University of Tel Aviv, Israel. dlieberm@post.tau.ac.il |
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English |
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| ISSN |
0268-0033 |
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| Notes |
PMID:16198463 |
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no |
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Serial |
49 |
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| Author |
Krasovsky, T.; Weiss, P.L.; Zuckerman, O.; Bar, A.; Keren-Capelovitch, T.; Friedman, J. |
| Title |
DataSpoon: Validation of an Instrumented Spoon for Assessment of Self-Feeding |
Type |
Journal Article |
| Year |
2020 |
Publication |
Sensors (Basel, Switzerland) |
Abbreviated Journal |
Sensors (Basel) |
| Volume |
20 |
Issue |
7 |
Pages |
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| Keywords |
concurrent validity; feasibility; kinematics; outcome assessment; rehabilitation |
| Abstract |
Clinically feasible assessment of self-feeding is important for adults and children with motor impairments such as stroke or cerebral palsy. However, no validated assessment tool for self-feeding kinematics exists. This work presents an initial validation of an instrumented spoon (DataSpoon) developed as an evaluation tool for self-feeding kinematics. Ten young, healthy adults (three male; age 27.2 +/- 6.6 years) used DataSpoon at three movement speeds (slow, comfortable, fast) and with three different grips: “natural”, power and rotated power grip. Movement kinematics were recorded concurrently using DataSpoon and a magnetic motion capture system (trakSTAR). Eating events were automatically identified for both systems and kinematic measures were extracted from yaw, pitch and roll (YPR) data as well as from acceleration and tangential velocity profiles. Two-way, mixed model Intraclass correlation coefficients (ICC) and 95% limits of agreement (LOA) were computed to determine agreement between the systems for each kinematic variable. Most variables demonstrated fair to excellent agreement. Agreement for measures of duration, pitch and roll exceeded 0.8 (excellent agreement) for >80% of speed and grip conditions, whereas lower agreement (ICC < 0.46) was measured for tangential velocity and acceleration. A bias of 0.01-0.07 s (95% LOA [-0.54, 0.53] to [-0.63, 0.48]) was calculated for measures of duration. DataSpoon enables automatic detection of self-feeding using simple, affordable movement sensors. Using movement kinematics, variables associated with self-feeding can be identified and aid clinical reasoning for adults and children with motor impairments. |
| Address |
Department of Physical Therapy, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel |
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English |
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| ISSN |
1424-8220 |
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| Notes |
PMID:32283624; PMCID:PMC7180859 |
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no |
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Serial |
104 |
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| Author |
Berman, S.; Liebermann, D.G.; McIntyre, J. |
| Title |
Constrained Motion Control on a Hemispherical Surface – Path Planning |
Type |
Journal Article |
| Year |
2014 |
Publication |
Journal of Neurophysiology |
Abbreviated Journal |
J Neurophysiol |
| Volume |
111 |
Issue |
5 |
Pages |
954-968 |
| Keywords |
Constrained motion; geodesics; path planning |
| Abstract |
Surface-constrained motion, i.e., motion constraint by a rigid surface, is commonly found in daily activities. The current work investigates the choice of hand paths constrained to a concave hemispherical surface. To gain insight regarding the paths and their relationship with task dynamics, we simulated various control policies. The simulations demonstrated that following a geodesic path is advantageous not only in terms of path length, but also in terms of motor planning and sensitivity to motor command errors. These stem from the fact that the applied forces lie in a single plane (that of the geodesic path itself). To test whether human subjects indeed follow the geodesic, and to see how such motion compares to other paths, we recorded movements in a virtual haptic-visual environment from eleven healthy subjects. The task was comprised of point-to-point motion between targets at two elevations (30 degrees and 60 degrees ). Three typical choices of paths were observed from a frontal plane projection of the paths: circular arcs, straight lines, and arcs close to the geodesic path for each elevation. Based on the measured hand paths, we applied k-means blind separation to divide the subjects into three groups and compared performance indicators. The analysis confirmed that subjects who followed paths closest to the geodesic produced faster and smoother movements, compared to the others. The 'better' performance reflects the dynamical advantages of following the geodesic path, as shown by the simulations, and may also reflect invariant features of the control policies used to produce such a surface-constrained motion. |
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Ben-Gurion University of the Negev |
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English |
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0022-3077 |
ISBN |
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| Notes |
PMID:24259548 |
Approved |
no |
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Serial |
72 |
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| Author |
Geller, N.; Moringen, A.; Friedman, J. |
| Title |
Learning juggling by gradually increasing difficulty vs. learning the complete skill results in different learning patterns |
Type |
Journal Article |
| Year |
2023 |
Publication |
Frontiers in Psychology |
Abbreviated Journal |
Front Psychol |
| Volume |
14 |
Issue |
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Pages |
1284053 |
| Keywords |
coordination; difficulty; juggling; learning strategies; motor learning |
| Abstract |
Motor learning is central to sports, medicine, and other health professions as it entails learning through practice. To achieve proficiency in a complex motor task, many hours of practice are required. Therefore, finding ways to speed up the learning process is important. This study examines the impact of different training approaches on learning three-ball cascade juggling. Participants were assigned to one of two groups: practicing by gradually increasing difficulty and elements of the juggling movement (“learning in parts”) or training on the complete skill from the start (“all-at-once”). Results revealed that although the all-at-once group in the early stages of learning showed greater improvement in performance, the “learning in parts” group managed to catch up, even over a relatively short period of time. The lack of difference in performance between the groups at the end of the training session suggests that the choice of training regime (between all-at-once and learning in parts), at least in the short term, can be selected based on other factors such as the learner's preference, practical considerations, and cognitive style. |
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Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel |
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English |
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Edition |
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| ISSN |
1664-1078 |
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| Notes |
PMID:38022928; PMCID:PMC10679398 |
Approved |
no |
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Serial |
120 |
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| Author |
Kaufman-Cohen, Y.; Portnoy, S.; Levanon, Y.; Friedman, J. |
| Title |
Does Object Height Affect the Dart Throwing Motion Angle during Seated Activities of Daily Living? |
Type |
Journal Article |
| Year |
2019 |
Publication |
Journal of Motor Behavior |
Abbreviated Journal |
J Mot Behav |
| Volume |
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Issue |
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Pages |
1-10 |
| Keywords |
dart throwing motion (DTM); heights; kinematics; seated activities of daily living (ADL); upper extremity; wrist rehabilitation |
| Abstract |
Complex wrist motions are needed to complete various daily activities. Analyzing the multidimensional motion of the wrist is crucial for understanding our functional movement. Several studies have shown that numerous activities of daily livings (ADLs) are performed using an oblique plane of wrist motion from radial-extension to ulnar-flexion, named the Dart Throwing Motion (DTM) plane. To the best of our knowledge, the DTM plane angle performed during ADLs has not been compared between different heights (e.g. table, shoulder and head height), as is common when performing day-to-day tasks. In this study, we compared DTM plane angles when performing different ADLs at three different heights and examined the relationship between DTM plane angles and limb position. We found that height had a significant effect on the DTM plane angles – the mean DTM plane angle was greater at the lower level compared to the mid and higher levels. A significant effect of shoulder orientation on mean DTM plane angles was shown in the sagittal and coronal planes. Our findings support the importance of training daily tasks at different heights during rehabilitation following wrist injuries, in order to explore a large range of DTM angles, to accommodate needs of common ADLs. |
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English |
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0022-2895 |
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| Notes |
PMID:31359843 |
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no |
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Serial |
100 |
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