Trunk muscular endurance, lumbar spine mobility and hip flexibility in sailors with and without low back pain

Laís Marinho de Araújo, Elisa Dell’Antonio, Marcel Hubert, Caroline Ruschel, Helio Roesler, Suzana Matheus Pereira

Resumo


Introduction: Low back pain is one of the most common injuries in sailors. Findings in the literature indicate that poor trunk endurance, flexibility and muscle strength are common in individuals with low back pain (LBP).  Objective: Analyze trunk muscle endurance, lumbar spine mobility and hip flexibility in windsurfers with and without low back pain. Method: Sailors of both sexes with at least three years’ experience in the sport answered the Nordic Musculoskeletal Questionnaire and were submitted to Schober’s test, the passive straight leg raise (PSLR), the modified Thomas test, and isometric endurance assessment of the flexor, extensor and lateral flexor muscles of the torso. The sailors were divided into two groups (with and without LBP) and compared using the Student’s t-test or Mann Whitney U test. Results: Participants were 22 national-level sailors, 11 with low back pain (LBP) and 11 without (NLBP). The LBP group obtained longer holding times for the trunk extensors (p=0.028) and a greater difference in endurance between the right and left sides for lateral trunk muscles (p=0.030). Both groups obtained results below normative values in most of the tests performed. Conclusion: Sailors with low back pain exhibited greater trunk extensor endurance and a larger imbalance between lateral trunk muscles when compared to those with no LBP. Spinal mobility and hip flexibility were similar between groups.

 


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DOI: http://dx.doi.org/10.1590/1980-5918.033.AO34

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