Archives of physical medicine and rehabilitation · 2005
Support-specific modulation of grip force in individuals with hemiparesis.
Клиническое исследованиеСтатьяПоддержка службы здравоохранения СШАНазвание и аннотация: Перевод в очереди
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Aruin Alexander S
Аннотация
OBJECTIVE: To investigate whether use of auxiliary sensory input will result in modulated grip force.
DESIGN: Case-control study.
SETTING: Free-standing acute inpatient rehabilitation hospital.
PARTICIPANTS: Six people with unilateral hemiparesis due to unilateral stroke and 6 control subjects without neurologic disorders.
INTERVENTIONS: Seated subjects lifted and transported the same object under 3 different conditions: with no support, with the target arm positioned on a freely moving skateboard, and with a finger from the subject's contralateral hand lightly touching the wrist of the target arm.
MAIN OUTCOME MEASURES: Peak grip force and temporal coupling between the grip force and lift-off of the object.
RESULTS: All subjects were able to better regulate grip force when provided with additional sensory input. Light finger touch resulted in decreased grip force, as did skateboard use ( P <.05). Subjects with hemiparesis showed 2 times longer latency between grip-force application and lift-off of the object ( P <.05).
CONCLUSIONS: Statistically significant grip-force reduction was noted with both support aids. These findings could have implications in clinical and rehabilitative areas.
DESIGN: Case-control study.
SETTING: Free-standing acute inpatient rehabilitation hospital.
PARTICIPANTS: Six people with unilateral hemiparesis due to unilateral stroke and 6 control subjects without neurologic disorders.
INTERVENTIONS: Seated subjects lifted and transported the same object under 3 different conditions: with no support, with the target arm positioned on a freely moving skateboard, and with a finger from the subject's contralateral hand lightly touching the wrist of the target arm.
MAIN OUTCOME MEASURES: Peak grip force and temporal coupling between the grip force and lift-off of the object.
RESULTS: All subjects were able to better regulate grip force when provided with additional sensory input. Light finger touch resulted in decreased grip force, as did skateboard use ( P <.05). Subjects with hemiparesis showed 2 times longer latency between grip-force application and lift-off of the object ( P <.05).
CONCLUSIONS: Statistically significant grip-force reduction was noted with both support aids. These findings could have implications in clinical and rehabilitative areas.