Análise cinemática do chute no futsal com aproveitamentos diferentes

2016 
Objetivo do estudo foi analisar e comparar os padroes cinematicos do joelho e as velocidades lineares da coxa e perna no chute com o dorso do pe no futsal em relacao aos chutes com diferentes aproveitamentos, sendo estes os que acertaram (CA) ou nao o alvo (CNA). Participaram do estudo 18 universitarios homens. Utilizou-se uma câmera filmadora com a frequencia de amostragem de 30Hz. Foram colocados marcadores passivos nos pontos anatomicos do membro inferior dominante. Cada participante realizou 10 chutes. Foram analisados tres momentos T1 (fase de preparacao), T2 (metade do movimento) e T3 (fase de execucao). Na comparacao entre o setor T1-T2 com o T2-T3 foram encontradas diferencas significativas (p<0,001), mas na comparacao do segmento perna CNA nao houve variacao na velocidade linear. Assim o padrao de movimento que influenciou no chute foi velocidade linear da perna que nao obteve um aumento durante o segundo setor. ABSTRACT Kinematic analysis of the kick movement in futsal with different incomes The objective of the study was analyze and compare kinematic patterns of the knee and linear speeds in the thigh and leg in the kick with the instep in futsal in relation to kicks with different yields, being the ones that hit (CA) or not the target (CNA). The study included 18 university men. We used a video camera with a sampling frequency of 30Hz. Passive markers were placed on anatomical points of the lower limb. Each participant performed 10 kicks. Three moments were analyzed T1 (preparation phase), T2 (half of the movement) and T3 (execution phase). Comparing the sector T1-T2 with T2-T3 we found significant differences (p<0.05), but in comparison of the leg segment CAN we have not variation in the linear velocity. Therefore, the pattern of movement which influenced the kick was the linear velocity of the leg that did not receive an increase during the second sector.
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