Abstract
The effect of controlled warm-up exercises on crawl swimming performance was determined in 31 under-15 male water polo players. The study employed a two-group crossover design in which the subjects were randomly assigned to one of two groups. One group swam a 50m crawl sprint with no preliminary warm-up, followed two days later by a 50m crawl sprint with a preliminary controlled warm-up. The other group did the two swims in reverse order. The controlled warm-up programme consisted of approximately 4 minutes of dynamic exercise and 8 minutes of passive stretching. Results showed a decrease in performance times of 71% of the subjects after exposure to a controlled warm-up programme. This positive effect was attributed to the increase in muscle temperature, leading to an increase in the speed of muscle contraction, smoother muscle contraction and improved strength of muscle contraction. Thus it was concluded that controlled warm-up exercises have a positive effect on the crawl swimming performance of under 15 male water polo players.
Highlights
IntroductionA physiotherapist uses some form of warm-up to prepare the patient for his/her strengthening or stretching exercises
During rehabilitation of patients, a physiotherapist uses some form of warm-up to prepare the patient for his/her strengthening or stretching exercises
The hypothesis states that controlled warm-up exercises positively effect the performance times of under-IS male water polo players in a 50m crawl sprint
Summary
A physiotherapist uses some form of warm-up to prepare the patient for his/her strengthening or stretching exercises. Through television exposure of the World Cup soccer, rugby and cricket tournaments, physiotherapists were seen to be treating acute musculo-skeletal injuries, a role previously performed by doc tors. As this is only one aspect of the physiotherapist’s role in sport, the less elite sportsmen, who do not have a team physiotherapist at their disposal, are not aware of the full potential of the physiothera pist in sport. A further aim of this research project is to make young sportsmen and coaches aware of the role of the physiotherapist regarding warm-up, training procedures and the correct and safe execution of exercises and stretches
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