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- W627392976 abstract "Human movement is mostly multi-articular in nature, involving numerous joint movement possibilities. This complexity in human movement has provided a theoretical challenge for movement scientists to comprehend the underlying processes controlling these joint movements in a functional and goal-directed manner. Although there has been an increase in research on examining coordination in multi-articular actions, it is still in its infancy. The aim of this thesis was to examine the acquisition of coordination of a discrete multi-articular movement action from the theoretical perspective of Dynamical Systems Theory. Specifically, four different studies (comprising Chapters 2, 3, 4 and 5) examined key research questions raised (Chapter 1) about understanding the coordination and control of a lower limb multi-articular interceptive action. The thesis concludes in Chapter 6 with a brief discussion on the key findings and the implications for practitioners in physical education pedagogy relating to a games teaching approach. The empirical work began with an analysis of the variation in coordination as a function of skill (Chapter 2). A discrete multi-articular kicking action with specific task constraints (kicking over a height barrier and to different target positions) was utilised as a research vehicle to examine differences in coordination between three groups of participants: skilled, intermediates and novices. From group analysis, it was determined that skilled and intermediate groups demonstrated a functional coordination mode involving a lower joint involvement at the proximal joints and higher joint involvement at distal joints, mimicking a ‘chip-like action’ in soccer. In contrast, large range of motions in the kicking limb was seen for the novice participants who demonstrated a ‘driving-like action’. Analysis of ball trajectory data confirmed that novice participants were not able to successfully project the ball over the height barrier. Findings from this study demonstrated that joint involvement is dependent on skill level and task constraints rather than a proposed universal ‘reducing to increasing’ involvement of degrees of freedom strategy as suggested by previous research. Functional foot velocity at ball contact to various target positions demonstrated by skilled and intermediate players further highlighted the possibility of using a model of learning focusing on coordination to examine progression through the different stages of learning. Given the findings in Chapter 2 and how averaging group data may mask valuable data at the individual level of analysis, a multiple-single participant design was warranted to examine how intra-participant coordination may differ within the skilled group. In Chapter 3, coordination of skilled players was further investigated to determine if refined differences could be present at the skilled level of performance using the same research design in Chapter 2. From the investigation, although global similarities in terms of the use of a chipping action in projecting the ball…" @default.
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- W627392976 date "2007-03-12" @default.
- W627392976 modified "2023-09-27" @default.
- W627392976 title "Coordination and its acquisition in a multi-articular lower limb interceptive task" @default.
- W627392976 hasPublicationYear "2007" @default.
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