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Acute effects of a motor coordination intervention on executive functions in kindergartners: a proof-of-concept
Petra Haas1,2, Gorden Sudeck3,4, Augustin Kelava5
1LEAD Graduate School & Research Network, Faculty of Economics and Social Sciences, Eberhard Karls Universität Tübingen, Tübingen, Germany. petra.haas@uni-tuebingen.de.
Background:
Executive functions are pivotal for future academic and social functioning. Causal effects of physical activity on executive functions have been shown in adults. The primary objective of this study was to test the proof-of-concept (i.e., feasibility of implementation and acceptance) of a motor coordination intervention and a sedentary control condition in kindergartners and its preliminary effectiveness on subsequent executive function performance.
Methods:
The study used a two-group post-test only design. All children aged between 4 and 7 years old were eligible. One hundred and three children (46% girls; age: M = 5.71 years, 95% CI = 5.50 to 5.92) recruited in a middle-sized town in Germany were randomly assigned to a 20-min motor coordination intervention (n = 51) or a sedentary control condition (n = 52), both of which were conducted in a one-on-one experimenter-child setting in the university or kindergarten. A second blinded-to-condition experimenter assessed the executive function outcomes directly following the conditions. Proof-of-concept criteria were the implementation of the intervention with a moderate-to-vigorous physical activity level assessed via heart rate sensors, and with motor coordination demands, analyzed via video recordings; children's acceptance via self-reported enjoyment of the conditions; and the post-assessments of executive functions with a behavioral and computerized task.
Results:
The motor coordination intervention and the control condition were feasible in a one-on-one setting with kindergartners. The intervention revealed heart rate increases and challenging motor coordination tasks. Children in both conditions indicated they enjoy them. Performance in the two executive function tasks did not differ between children in the motor coordination intervention and the control condition.
Conclusions:
A one-on-one experimenter-child setting was feasible to deliver in kindergartners. Future intervention studies should consider pre-testing of executive functions and take into account children's characteristics as potential moderators, such as motor coordination skills.
