Transient Change in Standing Posture after Linear Treadmill Locomotion.

Hashiba, Motoyuki

doi:10.2170/jjphysiol.48.499

Cited by 34 publications

(21 citation statements)

References 16 publications

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“…These results suggest that running tends to disturb the postural stability, possibly because of the more excessive head movement and disturbance of the vestibular and visual information centres. It has been claimed that an impaired balance following running is also related to the conflict of information between the somatosensory and visual inputs during treadmill running (Hashiba 1998). After modification of the sensory inputs available, individuals need to redefine the respective contributions of the different sources of sensory information in order to regulate posture.…”

Section: Discussionmentioning

confidence: 99%

Postural control in athletes participating in an ironman triathlon

Nagy

Tóth²,

Janositz³

et al. 2004

Eur J Appl Physiol

108

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We studied the degree of dependence on vision of static postural control among ten male adult ironmen and ten healthy subjects (firemen, control group) who took part in regular physical activity, and the perturbations of equilibrium after prolonged exercise in ironmen. Static postural stability was measured during standing on a single-force platform alternating between eyes open and eyes closed. First, body sway was analysed on a force plate in both groups, and the athletes then took part in an ironman triathlon. The measurement was repeated after the race. The sway in both directions was subjected to spectral analysis. The frequency spectrum of the platform oscillations was calculated by fast Fourier transformation in the intervals 0-0.3, 0.3-1 and 1-3 Hz. The sway path in both directions and the total path were significantly lower in the ironmen than in the control group without vision, and the absence of visual control caused a significant increase in sway in both directions in the control group, but not in the ironmen. The frequency analysis revealed a higher level of stability in the medio-lateral direction with closed eyes. The endurance race caused increases in both the total sway path only with closed eyes, and these changes were significant at higher frequency bands. These results indicate that ironmen are more stable and less dependent on vision for postural control than the control subjects, and the prolonged stimulation of the proprioceptive, vestibular and visual inputs in the endurance race causes a significant disturbance in postural control.

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Section: Discussionmentioning

confidence: 99%

Postural control in athletes participating in an ironman triathlon

Nagy

Tóth²,

Janositz³

et al. 2004

Eur J Appl Physiol

108

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“…Finally, vision during treadmill locomotion might play a role in evoking postural instability after walking, since visual Xow is minimized compared to overground locomotion. It has been suggested that unusual and conXicting signals occurring during treadmill locomotion may be stored during visual-somatosensory/motor conXict and that this information may be instrumental in producing postural and self-motion perception changes (Hashiba 1998). Also, during treadmill locomotion with conXicting visual Xow, a shift from visual to leg-proprioceptive control may take place (Prokop et al 1997).…”

Section: Introductionmentioning

confidence: 99%

Quiet stance control is affected by prior treadmill but not overground locomotion

Zanetti

Schieppati

2007

Eur J Appl Physiol

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Treadmill locomotion is different with respect to overground walking and may require an adapted control mode. The relevant neural computational effort may produce lasting effects encroaching upon the performance of a subsequent postural task. The hypothesis of the present study was that, contrary to overground walking, treadmill walking has effects on quiet stance variables, in the assumption that the imposed locomotor activity is more critical to stance control than natural walking. Nine young subjects performed three different walking sessions: treadmill with eyes closed, treadmill with eyes open, overground walking with eyes open. Body sway area and sway path and the position of the centre of foot pressure during stance were recorded by a dynamometric platform under control, post-walking and post-recovery conditions, alternatively with eyes closed and eyes open. At variance with overground walking, treadmill locomotion produced an effect on body orientation in space during the subsequent stance trials. This consisted in a forward inclination of the body, not accompanied by increased body sway, lasting for a few minutes. Presence or absence of vision during treadmill locomotion did not induce differences in the amplitude or time-course of the post-effect. We argue that body inclination would be the consequence of a change in the postural reference produced by a message arising from treadmill locomotion itself, possibly connected to particularities in the control mode of this type of walking.

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“…Lepers et al (1997) zjistili, že po bežeckém zatížení dochází k výraznějšímu narušení stability stejně jako po jízdě na kole (Seliga et al, 1991) nebo chůzi (Derave et al, 2002). Navíc v případě běhu je tento vliv více znatelný při použití ergometru než při běhu v terénu (Hashiba, 1998).…”

Section: úVodunclassified

Vliv zatížení na stabilitu stoje u juniorské reprezentace moderního pětiboje

Černá¹,

Malá²,

Malý³

et al. 2011

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1 Fakulta tělesné výchovy a sportu Karlovy univerzity, Praha 2 Fakulta sportovních studií Masarykovy univerzity, Brno Abstrakt:Tento příspěvek se zabývá hodnocením vlivu sportovního zatížení na vybrané parametry posturální stability moderních pětibojařů (juniorů n = 7, juniorek n = 5) ÚVODSchopnost udržení rovnováhy lidského těla je základní motorickou schopností. Udržení rovnováhy u člověka zajišťuje složitý regulační systém, který je výsledkem souhry analyzátorů, pomocí kterých vní-má člověk své okolí, a procesů centrální nervové soustavy, která integruje a zpracovává získané informace, a na základě tohoto umožňuje tvořit adekvátní svalové odpovědi (Fetz, 1987; Hatzitaki et al., 2002).Funkci posturálního systému však ovlivňují i probíhající neurofyziologické změny, jako např. mění-cí se funkce vnitřních orgánů, psychické procesy atd. Je tedy zřejmé, že schopnost udržet stabilní postoj může být, zejména ve stádiu akcelerovaného vývoje, ovlivněna probíhajícími změnami i negativně (Nováková, 1997).Z kinematického hlediska jsou pro střelecký výkon limitující somatomotorické charakteristiky závod-níků. Z nich je, podle Pecníka a Kasy (2004), méně významný například somatotyp (nenalezli vztah mezi střeleckou výkonností a tělesnou konstitucí). Většina autorů se shoduje na výrazném vlivu koordinačních schopností. Fencl (1979) píše o nejpodstatnější pohybové schopnosti při střelbě -jemné motorice končetin a senzomotorické koordinaci, Nitzsche (1988) a Paugschová (2000 o značné míře vlivu úrovně koordinač-ních schopností (koordinační znaky -preciznost určená rovnovážnou, diferenciační a reakční schopností) a rychlosti a Brych (1985) o speciální rychlosti a obratnosti zajišťující přesnost vykonávaných pohybů. Lepers et al. (1997) zjistili, že po bežeckém zatížení dochází k výraznějšímu narušení stability stejně jako po jízdě na kole (Seliga et al., 1991) nebo chůzi (Derave et al., 2002). Navíc v případě běhu je tento vliv více znatelný při použití ergometru než při běhu v terénu (Hashiba, 1998).

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Transient Change in Standing Posture after Linear Treadmill Locomotion.

Cited by 34 publications

References 16 publications

Postural control in athletes participating in an ironman triathlon

Postural control in athletes participating in an ironman triathlon

Quiet stance control is affected by prior treadmill but not overground locomotion

Vliv zatížení na stabilitu stoje u juniorské reprezentace moderního pětiboje

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