Abstract
Low back pain has been shown to interfere with body stability. In sports, the study of these relationships is important because the bouts may influence the results of training and competitions. High rates of injury to the lumbar region have been reported for elite female canoe paddlers. The objective of this study was to assess the influence of low back pain on body balance in female athletes of the Brazilian flatwater canoe team. Athletes with low back pain (in the last week) were compared to those without pain in the two-leg and single-leg stance, with the eyes open and closed, using an AccuSway Plus force platform (Advanced Mechanical Technology, Inc.). The variables analyzed were the amplitude of the pressure center in the anteroposterior direction (COPap) and medial-lateral direction (COPml). The results showed higher body ins-tability for athletes with low back pain. For COPml, no significant difference between the two groups was observed for only one condition (single-leg stance) (p = 0.901), and for COPap, no significant difference was observed for two conditions (p = 0.414 and p = 0.567), i.e., single-leg stance and eyes closed. In conclusion, low back pain was harmful to body balance in high-level female canoe paddlers.
Highlights
A modalidade de canoagem passou a ser esporte olímpico no ano de 1936, em Berlin[1], o que provocou desenvolvimento de métodos específicos de treinamento do esporte e uma técnica que possibilitasse o melhor desempenho com menor gasto energético
Os treinamentos das atletas são realizados diariamente de seis a oito horas, conforme relatos de Borges[7]
Impaired Postural Control of the Lumbar Spine Is Associated With Delayed Muscle Response Times in Patients With Chronic Idiopathic Low Back Pain
Summary
Low back pain and corporal balance of female brazilian selection canoeing flatwater athletes. Em mulheres canoístas de elite, a literatura reporta altos índices de lesões na região lombar. O estudo teve como objetivo verificar a influência da dor lombar sobre o equilíbrio corporal de atletas da seleção brasileira feminina de canoagem velocidade. Métodos: As atletas com dor lombar (na última semana) foram comparadas com as atletas sem dor, em condições bipodal e unipodal, com olhos abertos e fechados, utilizando-se uma plataforma de força AccuSway Plus, da marca AMTI (Advanced Mechanical Technology, INC). Os resultados mostraram maior instabilidade corporal para as atletas com queixas de dor lombar. No COPml apenas não apresentaram diferença estatisticamente significativa uma das condições (p=0,901) e o COPap apenas duas (p=0,414 e p=0,567), ambas em tentativas unipodais e de olhos fechados. Pode-se concluir que a dor na região lombar indicou ser prejudicial ao equilíbrio corporal de canoístas de alto nível do gênero feminino.
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