PHYSIOLOGICAL, PSYCHOLOGICALAND PERFORMANCEMEASURES DURINGANENDURANCERECORDFOR5-A-SIDE SOCCERPLAY

Observations weremadeevery 4hon2teamsduring 91h45minof5-a-side soccer toinvestigate stresses onplayers. Variables monitored weresubjective fatigue, stateanxiety, gripstrength, heartrate,activity, urineprotein concentration andliquid intake. Circadian functions wereidentified inallvariables exceptprotein urine aswellas significant intercorrelations. Periodicities wereconsistent witharousal theory withtroughs atabout0500-0600 hand crests at1800hto2100h.Group meananxiety values increased between days asplay wasprolonged whilst significant decrements werefoundinactivity, exercise heart rateandurine protein. Meanheart ratefortheduration ofplay was 98(±S.D. = 10)beats mindandtheworkseverity wasconsidered light. Behavioural abnormalities asfoundbyother investigators inchronically sleep deprived subjects werecommonduring thefinal twonights.