Abstract：
:The effects of type (cognitive vs. motor) and difficulty level (easy vs. hard) of a concurrent task on walking were examined in 10 boys and 4 girls (age 4-6 years) with developmental coordination disorder (DCD) and 28 age- and gender-matched unaffected children. Each child performed free walking (single task), walking while carrying an empty tray (dual task, the concurrent task being motor and easy), walking while carrying a tray with 7 marbles (the concurrent task being motor and hard), walking while repeating a series of digits forward (the concurrent task being cognitive and easy), and walking while repeating the digits backward (the concurrent task being cognitive and hard). Walking was affected by the concurrent task (i.e., dual-task cost) in the children with DCD more so than in the comparison children. Greater task difficulty also increased the dual-task cost in the children with DCD more so than in the comparison children. These patterns were only noted for the motor concurrent task. The cognitive concurrent task also affected walking, but the dual-task costs did not differ between difficulty levels, nor between the groups.
journal_name
Gait Posturejournal_title
Gait & postureauthors
Cherng RJ,Liang LY,Chen YJ,Chen JYdoi
10.1016/j.gaitpost.2008.08.003subject
Has Abstractpub_date
2009-02-01 00:00:00pages
204-7issue
2eissn
0966-6362issn
1879-2219pii
S0966-6362(08)00244-0journal_volume
29pub_type
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