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JOURNAL
OF
SPORTS SCIENCE &
MEDICINE
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Research
article
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POSTURAL CONTROL AFTER A PROLONGED TREADMILL RUN AT INDIVIDUAL VENTILATORY AND ANAEROBIC THRESHOLD |
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Laura Guidetti, Emanuele Franciosi, Maria Chiara Gallotta, Gian Pietro Emerenziani and Carlo Baldari  |
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Department of Health Sciences, University of Rome "Foro Italico", Rome, Italy |
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© Journal of Sports Science and Medicine (2011) 10, 515 - 519 |
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| ABSTRACT | |||
| The objective of the study was to verify whether young males'
balance was affected by 30min prolonged treadmill running (TR) at individual
ventilatory (IVT) and anaerobic (IAT) thresholds in recovery time. The VO2max,
IAT and IVT during an incremental TR were determined. Mean displacement
amplitude (Acp) and velocity (Vcp) of center of pressure were recorded before
(pre) and after (0min post; 5min post; and 10min post) prolonged TR at IAT
and IVT, through posturographic trials performed with eyes open (EO) and
closed (EC). Significant differences between IVT and IAT for Vcp, between
EO and EC for Acp and Vcp, were observed. The IAT induced higher destabilizing
effect when postural trials were performed with EC. The IVT intensity produced
also a destabilizing effect on postural control immediately after exercise.
An impairment of postural control after prolonged treadmill running exercise
at IVT and IAT intensity was showed. However, destabilizing effect on postural
control disappeared within 10min after IAT intensity and within 5min after
IVT intensity. Key words: Posture, vision, ventilatory threshold, anaerobic threshold. |
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