ABSTRACT Introduction: The double jump rope swing is a jumping technique that combines the technology of vertical and swing, requiring participants to twice in row with soles their feet. Objective: Study effect double-balance training on athletes’ muscular strength lower limbs. Methods: Through experimental process, dynamic kinematic parameters generated during process before after balance exer...

hereditary spastic paraplegias are highly heterogeneous neurodegenerative disorders with some special mutations. we report on a patient with pescavus, distal a myotrophy, hyper extended fingers, and pectus excavatum. neurological examination showed that he had proximal lower limbs weakness with a positive gower sign, exaggerated lower limbs deep tendon reflexes with spasticity, distal muscle wa...