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| Author | Kaufman-Cohen, Y.; Friedman, J.; Levanon, Y.; Jacobi, G.; Doron, N.; Portnoy, S. | ||||
| Title | Wrist Plane of Motion and Range During Daily Activities | Type | Journal Article | ||
Year  |
2018 | Publication | American Journal of Occupational Therapy | Abbreviated Journal | Am J Occup Ther |
| Volume | 72 | Issue | 6 | Pages | 1-10 |
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| Abstract | OBJECTIVE. The dart-throwing motion (DTM) is a multiplane wrist motion that is needed for many daily occupations. Mobilization along the DTM plane may be essential for rehabilitation after wrist injury, but DTM angles are reported for the dominant hand alone, so their relevance to injury in the nondominant hand cannot be surmised. The aim of this study was to quantify the DTM plane angles for both hands during different activities of daily living (ADLs). METHOD. Forty-three healthy participants wore a twin-axis electrogoniometer during ADLs. RESULTS. No significant differences were found between the DTM plane angles of the dominant (20°�45°) and nondominant (15°�40°) hands. These angles varied by task and across participants. CONCLUSION. The DTM plane is a functional motion used by both hands during ADLs. Because the DTM plane angle differs among hands, tasks, and individual clients, wrist rehabilitation involving the DTM plane should not be limited to a singular DTM plane angle.OBJECTIVE. The dart-throwing motion (DTM) is a multiplane wrist motion that is needed for many daily occupations. Mobilization along the DTM plane may be essential for rehabilitation after wrist injury, but DTM angles are reported for the dominant hand alone, so their relevance to injury in the nondominant hand cannot be surmised. The aim of this study was to quantify the DTM plane angles for both hands during different activities of daily living (ADLs). METHOD. Forty-three healthy participants wore a twin-axis electrogoniometer during ADLs. RESULTS. No significant differences were found between the DTM plane angles of the dominant (20°�45°) and nondominant (15°�40°) hands. These angles varied by task and across participants. CONCLUSION. The DTM plane is a functional motion used by both hands during ADLs. Because the DTM plane angle differs among hands, tasks, and individual clients, wrist rehabilitation involving the DTM plane should not be limited to a singular DTM plane angle. |
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| ISSN | 0272-9490 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Serial | 92 | |||
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| Author | Raveh, E.; Portnoy, S.; Friedman, J. | ||||
| Title | Myoelectric Prosthesis Users Improve Performance Time and Accuracy Using Vibrotactile Feedback When Visual Feedback Is Disturbed | Type | Journal Article | ||
| Year |
2018 | Publication | Archives of Physical Medicine and Rehabilitation | Abbreviated Journal | Arch Phys Med Rehabil |
| Volume | 99 | Issue | 11 | Pages | 2263-2270 |
| Keywords | Amputation; Prosthesis; Rehabilitation; Sensory feedback; Visual feedback | ||||
| Abstract | OBJECTIVE: To evaluate the effects of adding vibrotactile feedback (VTF) in myoelectric prosthesis users during performance of a functional task when visual feedback is disturbed. DESIGN: A repeated-measures design with a counter-balanced order of 3 conditions. SETTING: Laboratory setting. PARTICIPANTS: Transradial amputees using a myoelectric prosthesis with normal or corrected eyesight (N=12, median age 65+/-13y). Exclusion criteria were orthopedic or neurologic problems. INTERVENTIONS: All participants performed the modified Box and Blocks Test, grasping and manipulating 16 blocks over a partition using their myoelectric prosthesis. This was performed 3 times: in full light, in a dark room without VTF, and in a dark room with VTF. MAIN OUTCOME MEASURES: Performance time, that is, the time needed to transfer 1 block, and accuracy during performance, measured by number of empty grips, empty transitions with no block and block drops from the hand. RESULTS: Significant differences were found in all outcome measures when VTF was added, with improved performance time (4.2 vs 5.3s) and a reduced number of grasping errors (3.0 vs 6.5 empty grips, 1.5 vs 4 empty transitions, 2.0 vs 4.5 block drops). CONCLUSIONS: Adding VTF to myoelectric prosthesis users has positive effects on performance time and accuracy when visual feedback is disturbed. | ||||
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 0003-9993 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:29935153 | Approved | no | ||
| Call Number | Serial | 96 | |||
| Permanent link to this record | |||||
| 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 | Issue | 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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| Language | English | Summary Language | Original Title | ||
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| ISSN | 0022-2895 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:31359843 | Approved | no | ||
| Call Number | Serial | 100 | |||
| Permanent link to this record | |||||
| Author | Friedman, J.; Raveh, E.; Weiss, T.; Itkin, S.; Niv, D.; Hani, M.; Portnoy, S. | ||||
| Title | Applying Incongruent Visual-Tactile Stimuli during Object Transfer with Vibro-Tactile Feedback | Type | |||
| Year |
2019 | Publication | Journal of Visualized Experiments : JoVE | Abbreviated Journal | J Vis Exp |
| Volume | 147 | Issue | Pages | e59493 | |
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| Abstract | The application of incongruent sensory signals that involves disrupted tactile feedback is rarely explored, specifically with the presence of vibrotactile feedback (VTF). This protocol aims to test the effect of VTF on the response to incongruent visual-tactile stimuli. The tactile feedback is acquired by grasping a block and moving it across a partition. The visual feedback is a real-time virtual presentation of the moving block, acquired using a motion capture system. The congruent feedback is the reliable presentation of the movement of the block, so that the subject feels that the block is grasped and see it move along with the path of the hand. The incongruent feedback appears as the movement of the block diverts from the actual movement path, so that it seems to drop from the hand when it is actually still held by the subject, thereby contradicting the tactile feedback. Twenty subjects (age 30.2 +/- 16.3) repeated 16 block transfers, while their hand was hidden. These were repeated with VTF and without VTF (total of 32 block transfers). Incongruent stimuli were presented randomly twice within the 16 repetitions in each condition (with and without VTF). Each subject was asked to rate the difficulty level of performing the task with and without the VTF. There were no statistically significant differences in the length of the hand paths and durations between transfers recorded with congruent and incongruent visual-tactile signals – with and without the VTF. The perceived difficulty level of performing the task with the VTF significantly correlated with the normalized path length of the block with VTF (r = 0.675, p = 0.002). This setup is used to quantify the additive or reductive value of VTF during motor function that involves incongruent visual-tactile stimuli. Possible applications are prosthetics design, smart sport-wear, or any other garments that incorporate VTF. | ||||
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 1940-087X | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:31180348 | Approved | no | ||
| Call Number | Serial | 101 | |||
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| Author | Kaufman-Cohen, Y.; Levanon, Y.; Friedman, J.; Yaniv, Y.; Portnoy, S. | ||||
| Title | Home exercise in the dart-throwing motion plane after distal radius fractures: A Pilot Randomized Controlled Trial | Type | Journal Article | ||
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2020 | Publication | Journal of Hand Therapy | Abbreviated Journal | |
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| Notes | Approved | no | |||
| Call Number | Serial | 103 | |||
| Permanent link to this record | |||||