ABSTRACT Introduction: Physical fitness training is essential for performing tactical and improving performance in martial arts competitions, a critical element the speed, strength, endurance of its athletes. Objective: This paper explores effect physical on main tasks university practitioners. Methods: By selecting 16 practitioners as volunteers, they received 12 weeks training, whereas only e...

We report the case of a 22-year-old Marine who presented to the emergency department, after a martial arts exercise, with transient weakness and numbness in all extremities. Computed tomography cervical spine radiographs revealed os odontoideum. Lateral flexion-extension radiographs identified atlanto-axillary instability. This abnormality is rare and can be career ending for military members w...