Médicaments et performance de la fonction d'équilibration

Introduction – Balance control in some sports discipline can be the aim of the action, and its breaking off can expose to severe trauma.Synthesis of facts – Some drugs' adverse effects can induce lower equilibrium performance, in relation for example with vigilance drop or vestibular ototoxicity. The drug effect site can concern one or more links in the chain (peripheral or central impact). Individual sensitivity is variable, as well as speed of reversibility.Conclusion – Symptoms induced by pathology for which therapy is prescribed are sometimes difficult to distinguish from those induced by therapy itself.     

Variation de l'amplitude de l'onde T au cours de l'exercice et pendant la récupération chez des sportifs entraînés

Aims. – To study T-wave amplitude changes during exercise and recovery in trained athletes.Methods and results. – Thirty two athletes of both sexes underwent an incremental cycle test. Cardiac electric activity (ECG) was recorded every minute during exercise and the following five minutes of recovery. T-wave amplitude was manually measured on V5 ECG complex enlarged 4-fold. The statistical analysis was done using two factor's Anova. The results showed that T-wave amplitude 1) increased significantly during the three first minutes of the recovery, 2) was not linked to T-wave decrease or increase during previous exercise, and 3) was significantly lower in females than in males. Pathophysiological mechanisms of this ECG repolarisation in athletes during recovery following exercise remains unclear.     

Exigences physiologiques nécessaires à la pratique de rugby de haut niveau

Introduction – The objective of our work is to determine physiological features of rugby players of French team.Synthesis of facts – We realized the physical tests for estimate of maximal oxygen uptake (VO₂max), lactate anaerobic, Sargent, explosive strength on ergojump and supple. The results showed that aerobic power and lactate anaerobic were favourable of back. The performances of back of ergojump and Sargent were better than these forward. It not existed significant difference of supple between forward and black.Conclusion – The physical tests bring to the fore different athletes not only on the morphological and metabolic plane but also on the powerful and supple plane.