Impacto da corrida de 10 km na força muscular e na assimetria em corredores amadores

• Autor(a) principal: Delmondes Junior, Valdemi Xavier
• Data de Publicação: 2020
• Tipo de documento: Dissertação
• Idioma: por
• Título da fonte: Repositório Institucional da UFMT
• Texto Completo: http://ri.ufmt.br/handle/1/4882
• topic: Assimetria de força; Corredores de longa distância; Salto com contramovimento monopodal; Plataforma de força; CNPQ::CIENCIAS DA SAUDE::EDUCACAO FISICA; Force asymmetry; Long distance runners; Single-leg Countermovement Jump; Force platform

Asymmetry can be defined as a difference in dynamic and/or kinematic parameters between the lower limbs during the performance of a motor task. This theme has been the center of different studies both in the field of rehabilitation and in sports performance due to its association with greater risk of injury and its possible influence on sports performance. However, in most of the studies that related strength asymmetry and muscle injury or sports performance, individuals were assessed at rest, which is not similar to the sports reality. Thus, the present study aimed to: a) Identify the level of strength asymmetry of dynamic variables in lower limbs in long distance runners; b) Compare the impact of a 10 km continuous running protocol on the dynamic and temporal variables obtained from the SLCMJ of GRF; c) Compare the impact of a 10 km continuous running protocol on the strength asymmetries of dynamic variables obtained from the SLCMJ of GRF in long distance runners. The sample of study consisted of 28 male amateur runners (age: 34 + 6 years; mass: 64,3 + 10,18 kg). Of these, 23 completed the 10 km continuous running protocol and evaluated it using the SLCMJ before and after performing this protocol. After executing the sequence of three SLCMJ, the jump that presented the greatest vertical impulse of the GRF, for each lower limb, was used to extract the dynamic and temporal variables and the asymmetries of force. Immediately after the application of the 10 km protocol, there was a significant decrease in the values of the dynamic variables peak force, peak power and impulse, in both lower limbs (p = 0,01). Regarding asymmetries, only significant differences were observed for peak power (p = 0,01) and impulse (p = 0,04). With the results of the present study, it is possible to conclude that peak power and impulse seem to be variables prone to the effects of the 10 km protocol. Each dynamic variable showed different levels of equivalence between members for the same individual.