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  • Title: [The impact of different sports on posture regulation].
    Author: Schwesig R, Kluttig A, Leuchte S, Becker S, Schmidt H, Esperer HD.
    Journal: Sportverletz Sportschaden; 2009 Sep; 23(3):148-54. PubMed ID: 19750443.
    Abstract:
    BACKGROUND: Previous work has suggested that both the level of activity and the type of sport may have a major impact on postural control. However, no systematic investigation has been performed regarding the various types of professional sports. Particularly, the impact of competitional sports on the postural subsystems has not been elucidated so far. OBJECTIVE: The aim of this study was to investigate the influence of the major professional sport types, such as handball, gymnastics, swimming, and shooting, on the subsystems of postural control. We also tested the hypothesis that specific types of sport have specific effects on postural regulation. METHODS: 155 competitive male and female athletes (handball: n = 30; gymnastics: n = 44; swimming: n = 50; shooting: n = 31), and 34 age- and gender-matched controls were investigated using the Interactive Balance System (IBS; Tetrax Inc., Ramat Gan, Israel). The following spectral and time-domain indices were determined: power in the following frequency bands: P(F1) (0.03 - 0.1 Hz), P(F)(2 - 4) (0.1 - 0.5 Hz), P(F)(5 - 6) (0.5 - 1.0 Hz), P(F)(7 - 8) (> 1.0 Hz), stability index (STABI), and synchronisation index (SYN). RESULTS: Shooting athletes exhibited significantly smaller values of P(F1) (p = 0.003), P(F)(2 - 4) (p < 0.001), and P(F)(7 - 8) (p = 0.002), respectively, than the other athletes investigated. Also, the shooting athletes exhibited the smallest STABI values (p = 0.002). In contrast, the gymnasts showed the largest SYN values (p = 0.002). CONCLUSIONS: Different types of competitive sports exert different effects on the various subsystems of posture control, where especially shooting competitors demonstrate a significantly better posture regulation. Those effects can be parameterised and quantified with the IBS which thus enables an efficient and purposeful training. Furthermore, the IBS is highly suitable for aptitude screening in sports with high posture regulatory demands (shooting competitions, gymnastics, diving etc.).
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