dexterity and two-point discrimination of the hand in school-aged children with dysgraphia

Authors

naser havaei department of occupational therapy, school of rehabilitation sciences, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)

mandana rezaei department of physiotherapy, school of rehabilitation, tabriz university of medical sciences, tabriz, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تبریز (tabriz university of medical sciences)

hamid reza rostami department of occupational therapy, school of rehabilitation, isfahan university of medical sciences, isfahan, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (isfahan university of medical sciences)

abstract

background: dysgraphia as a problem with handwriting, affects student's performance in school activities and participation. the purpose of the study was to compare dexterity and two-point discrimination of the hand between learning disabled students with dysgraphia and healthy students.   methods: forty-three students with developmental dysgraphia and 55 normal students in grade two to four from special and regular schools participated in this study. hand dexterity and static/dynamic discriminative touch were assessed via purdue pegboard and two-point discriminator respectively.   results: significant differences were found in purdue pegboard scores between two groups except in doing the test with the left hand (p< 0.05). purdue pegboard scores were significantly lower in left-handed children with dysgraphia compared to healthy children (p< 0.05). there was no significant difference in dynamic two point discrimination between two groups of children (p>0.05).  static two-point discrimination of the thumb finger was significantly higher in children with dysgraphia (p< 0.05).   conclusion: hand dexterity affects handwriting performance in children with dysgraphia. there were no correlations between two-point discrimination and purdue pegboard scores of children with dysgraphia. intervention should focus on other aspects of dexterity rather than sensory components. hand dominancy also may be a factor influencing hand performance in dysgraphia.

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Journal title:
medical journal of islamic republic of iran

جلد ۳۰، شماره ۱، صفحات ۹۷۳-۹۷۹

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