THE INFLUENCE OF LOW LOAD LUMBAR EXERCISE TRAINING ON THE DEVELOPMENT OF ISOLATED LUMBAR FLEXOR AND EXTENSOR MUSCLE STRENGTH IN SEAFARERS. GYMNASIUM, [S. l.], v. 16, n. 1, 2017. Disponível em: https://gymnasium.ub.ro/index.php/journal/article/view/112. Acesso em: 3 apr. 2025.