Publication: Reach-to-grasp co-ordination in the paretic limbs of individuals with stroke: insight from a barrier paradigm
Issued Date
2014-07
Resource Type
Language
eng
ISSN
0125-2208
Rights
Mahidol University
Rights Holder(s)
The Medical Association of Thailand
Bibliographic Citation
Journal of The Medical Association of Thailand. Vol.97, No.7 (2014), S84-S88
Suggested Citation
Nuttakarn Runnarong, Jarugool Tretriluxana, Vimonwan Hiengkaew, Roongtiwa Vachalathiti Reach-to-grasp co-ordination in the paretic limbs of individuals with stroke: insight from a barrier paradigm. Journal of The Medical Association of Thailand. Vol.97, No.7 (2014), S84-S88. Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/10421
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Title
Reach-to-grasp co-ordination in the paretic limbs of individuals with stroke: insight from a barrier paradigm
Alternative Title(s)
การประสานสัมพันธ์ของการเอื้อมและการหยิบจับด้วยแขนข้างอ่อนแรงของผผู้ป่วยโรคหลอดเลือดสมอง: ความเข้าใจลึกซื้งจากการใช้สิ่งกีดขวาง
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Abstract
Objective: Reach and grasp components must be co-ordinated to preserve the optimal reach-to grasp performance. However, conflicting results regarding the deficit in reach-to-grasp co-ordination has been reported in the paretic hand of individuals after stroke. Additionally, investigations have not been undertaken to study more challenging task constraints to induce the impairment of reach-to-grasp co-ordination. This study aimed to compare reach-to-grasp co-ordination while avoiding an obstacle in the paretic hand of individuals after stroke with matched non-disabled adults.
Material and Method: Twenty-four participants having mild severity of upper extremity impairment were recruited with an equal number of non-disabled adults. Kinematic reach-to-grasp movements with obstacle avoidance were analyzed. Reachto-grasp co-ordination was quantified using cross-correlation analysis: maximum correlation coefficient represented the spatial aspect and the time lag represented the temporal aspects.
Results: Individuals after stroke showed a significant disturbance in the temporal aspect of reach-to-grasp co-ordination, but not the spatial aspect as compared with non-disabled adults.
Conclusion: Among participants, after stroke reach-to-grasp co-ordination was delayed in the temporal aspect of reach-tograsp with obstacle avoidance but preserved in the spatial aspect. Specific methods to assess reach-to-grasp co-ordination and to treat the time delay to improve co-ordination should be considered in individuals after stroke.