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  • Title: Dynamic balance sensory motor control and symmetrical or asymmetrical equilibrium training.
    Author: Guillou E, Dupui P, Golomer E.
    Journal: Clin Neurophysiol; 2007 Feb; 118(2):317-24. PubMed ID: 17140847.
    Abstract:
    OBJECTIVE: Determine whether symmetrical or asymmetrical equilibrium training can enhance the proprioceptive input of the left versus right supporting leg (SL) motor control. METHODS: Proprioceptive input was tested using a seesaw platform through a cross-sectional study. The total spectral energy was recorded and divided into 0-2 and 2-20Hz frequency bands. Experts in asymmetrical tasks (soccer players) were compared to experts in symmetrical tasks (dancers, acrobats) and untrained subjects according to pitch versus roll imbalance direction on each SL. RESULTS: Regarding the low frequency band, spectral energy values were lower for experts than for untrained subjects in the roll direction only, whatever the SL (p<0.05). Regarding the high frequency band, spectral energy values were lower for the left SL compared to the right one for soccer players only (p<0.05). Furthermore, soccer players also exhibited lower values than other subjects on the left SL. CONCLUSIONS: Asymmetrical equilibrium training minimizes the proprioceptive input, emphasizing the role of the biomechanical component in postural regulation. SIGNIFICANCE: Testing athletes on a spontaneous unstable platform is a way to accurately discriminate each SL performance for one type of sport training. In sport medicine rehabilitation, injured SL could be detected with this protocol comparing it with healthy SL.
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