With growing concentrated rivalry and progressive results, it is important to take advantage of the little things we can improve in training. With a fairly new method of measuring the optimal force – velocity profile, we can get important results, which can be used in dry-land strength and power training and are highly individualized. The main goal of the master's thesis was to search for the correlation between the parameters of the individual force – velocity profile and tests in water (5m and 25m freestyle kicking). We checked whether the deficit obtained with the force – velocity profile correlated with the time of swimming using legs only. The sample included 10 active swimmers, who performed squat jumps with four different loads (body weight, 20%, 40% and 60% of body weight), thus obtaining the curve of the force – velocity relationship. Later we measured two tests in the water: a 5m push off and glide from the wall and 25m freestyle kicking. We found that there were no statistically significant correlations between the individual force – velocity curve and tests in the water. Nevertheless, we found that the calculated individual force – velocity curve shows some mechanical deficits of the swimmer, which might be reasonably comparable with the start jump. In any case, we conclude that the force – velocity profile analysis can be used in strength and power training of the swimmers in order to individualise training exercises and loads.
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