Exercise Physiology

Topics: Exercise physiology, Lactic acid, Muscle Pages: 2 (606 words) Published: August 15, 2010
Exercise physiology

Touch football is a game derived from Rugby League that requires the opposition to tag or touch the opponent to stop their progress. This assignment is centred on exercise physiology in relation to touch football and my performance in the position of centre. Exercise physiology is the study of the function of the human body during various exercise conditions. Throughout a game of touch football our bodies rely on various energy systems to meet energy demands. Whilst addressing the issues of fatigue and training programs, predictions will be made to evaluate my performance.

There are three positions in the game of touch football; centre, link and wing. Each position requires different demands from the three energy systems; Creatine Phosphate, Lactic Acid and Aerobic. The Lactic Acid (LA) system is the most predominate energy system required for the game of touch football. When muscles contract vigorously more LA is produced than the body actually requires. This creates a waste which results in sore muscles, cramps etc. The position of centre is the most physically demanding position with prolonged physical demand required for most of the game. This is due to the creatine phosphate system being unsuitable for this application as it would result in lactic acid build up and create prolonged muscular activity unbearable.

Within class, fitness testing was carried out before and after training plans were implemented. This assisted in the evaluation and identification of weaknesses in various fitness components. To identify my improvements needed in playing the centre position, a variety of tests were conducted in class. My results indicated a below average response to the beep test, which tested for endurance. Endurance is one of the most important physical characteristic required for the centre position. In addition to endurance, my 50m sprint test highlighted a lack of speed required for the position of centre. To improve the above...
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