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Aim: The aim of this study is to assess benefits of therapy by Vojta method and by using the active videogame Nintendo Wii. The manual dexterity and gross motor function were evaluated. Methodology: The study was attended by 14 children aged 6 - 18 years. They were divided into two equal groups. The Vojta method was applied for the first group and exercising with Nintendo Wii for the second group. Each therapy took 30 days. After a 6 months break the two groups were changed. During those 6 months no targeted physiotherapy was done. The manual dexterity and gross motor functions were measured before and after the therapy and 8 weeks after finishing the therapy. The Box and Block test and the Nine Hole Peg test were used for assessment of manual dexterity and GMFM was used for testing of gross motor function. The children completed the PACES questionnaire after each of the interventions. Results: Statistics showed a significant change in the manual dexterity over the time when the Box and Block test was used. A difference between the two types of therapy has not been proven. Results of the Nine Hole Peg test were not statistically significant, neither in time nor when comparing the therapies. GMFM was not statistically significant either. The PACES did not show any difference between the therapies....

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Questions : Cette thèse visait à répondre à deux questions fondamentales : 1) Est-ce que les athlètes qui présentent un historique de commotions cérébrales du sport en conservent des effets délétères à long terme? ; et 2) Est-ce que les effets néfastes des commotions cérébrales récurrentes sur le fonctionnement tant cognitif que moteur sont cumulatifs? Devis expérimental : À l’aide d’un plan d’investigation double-cohorte réalisé avec un groupe d’athlètes évoluant au niveau universitaire et un autre formé d’anciens athlètes universitaires testés plus de trois décennies plus tard, les quatre études qui composent cette thèse ont employé des méthodes raffinées d’investigation des fonctions cognitives et motrices pour en déceler des atteintes persistantes. Méthodologie : Les potentiels évoqués cognitifs ainsi que les tests neuropsychologiques ont permis de sonder le fonctionnement cognitif de ces athlètes alors que la stimulation magnétique transcrânienne, une plateforme de force permettant de mesurer la stabilité posturale ainsi qu’un système d’enregistrement tridimensionnel des mouvements rapides alternatifs ont servi à l’évaluation de l’intégrité du système moteur. Résultats : Cette thèse a permis de déceler des altérations persistentes et cumulatives des fonctions cognitives et motrices. De plus, ces subtiles atteintes observées chez les jeunes athlètes, affectant essentiellement des marqueurs neurophysiologiques sous-cliniques du fonctionnement cognitif et moteur, s’étaient accentuées chez les anciens athlètes universitaires qui montraient un déclin quantifiable tant des fonctions cognitives que motrices. Discussion : Ces résultats suggèrent d’une part que les commotions cérébrales du sport entraînent des altérations cognitives et motrices chroniques qui s’accentuent en fonction du nombre de commotions cérébrales subies. D’autre part, les effets délétères des commotions cérébrales du sport sur le fonctionnement cognitif et moteur combinés à ceux associés au processus de vieillissement entraînent un déclin cognitif et moteur quantifiable en comparaison aux anciens athlètes n’ayant jamais subi de commotions cérébrales. / Question: This thesis aimed to address two fundamental issues: 1) Are there long-lasting effects of sports-related concussion on cognitive and motor functions? and 2) Are the adverse effects of recurrent concussions cumulative? Experimental Design: The cross-sectional thesis design included a group of active university-level athletes as well as a group of former athletes recruited more than three decades after their university years who were tested on neurophysiological measures of both cognitive and motor system functions. Methods: Event-Related potentials and neuropsychological tests were used to assess cognitive functions while transcranial magnetic paradigms were used to assess motor cortex excitability, a force platform was used to assess postural stability and a 3-dimensional recording device was used to track hand position when performing a rapid alternating movement task. Results: This thesis disclosed persistent and cumulative alterations of both cognitive and motor functions after sports concussions. Furthermore, subclinical, neurophysiological alterations found in young concussed athletes were exacerbated in former athletes with concussions who displayed quantifiable cognitive and motor functions decline more than three decades post-concussion. Discussion: These results suggest that sports concussions induce cognitive and motor functions abnormalities that worsen as a function of the number of concussions sustained. Moreover, findings from the present thesis indicate that the deleterious effects of sports concussion on cognitive and motor system functions combined to those associated with the aging process lead to quantifiable decline on both cognition and motor functions.

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