Influência da hora do dia sobre o desempenho e fadiga em saltos verticais

Abstract

Vertical jumps are an important part of the technique of several team sports and individual. Vertical jump performance is commonly assessed based on the power and height, and jumping performance is influenced by the time of day. At jumping, fatigue limits performance and can also be a risk factor for injuries due to changes in the ability to control movement on landing. THE combination of time of day with fatigue can have acute effects on performance of heels that are not clearly described in the literature. In this preliminary study we determine whether time of day affects performance and fatigue resistance in jumps vertical. We evaluated 10 men performing vertical jumps for exhaustion and we determine the power and height of the jumps, fatigue index and thermographic changes pre and post exercise. In these participants, we found better jumping performance in the night shift and similar morning and evening fatigue rates. Additionally, the influence of the chronotype characteristic of each participant on the results should considered in the continuation of the study.