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Research article summary:
Anticipatory responses to perturbation of co-ordination in one-handed catching.
Abstract Extract:
Anticipatory responses to perturbation have rarely been studied in the co-ordination of dynamic interceptive actions. In this study, the kinematics of ball catching were examined in skilled catchers when mechanical perturbation of the catching arm was ... (Full abstract text below) Published 2002Jan
in Journal: Acta Psychol (Amst)
(Language : eng)
Full Pubmed Extract
This information was retrieved, real-time, on your behalf from the public area of the Pubmed website:
1. Acta Psychol (Amst).
2002 Jan;109(1):75-93
Anticipatory responses to perturbation of co-ordination in one-handed catching.
Button C, Davids K, Bennett SJ, Savelsbergh GJ
Department of Physical Education, Sport and Leisure Studies, University of Edinburgh, UK. chris_button@education.ed.ac.uk
Anticipatory responses to perturbation have rarely been studied in the co-ordination of dynamic interceptive actions. In this study, the kinematics of ball catching were examined in skilled catchers when mechanical perturbation of the catching arm was expected and unexpected. During trials where the perturbation was anticipated, participants initiated movements earlier (207 +/- 32 ms) than in randomly perturbed trials (223 +/- 34 ms). Furthermore, several individuals also tended to move their hand faster when perturbations were expected compared to baseline trials. Individual analyses revealed that three out of eight participants exhibited changes in the relative timing of the grasp phase to adapt to the specific manipulation of task constraints. Anticipatory responses were revealed in changes not only at movement initiation but also in the resulting adaptations to the co-ordination of reach and grasp phases of ball catching. When the catchers could not anticipate perturbations, movement strategies suggested the use of a continuous tracking-based mode of control rather than a prediction-based mode of control.
PMID : 11767729 [PubMed - Indexed for MEDLINE]
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Full Author Information
| First Name | LastName | Initials |
| Chris | Button | C |
| Keith | Davids | K |
| Simon J | Bennett | SJ |
| Geert J P | Savelsbergh | GJ |
Affiliation: Department of Physical Education, Sport and Leisure Studies, University of Edinburgh, UK. chris_button@education.ed.ac.uk
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