human 2 martial art Anxiety 1 Anxiety Disorders 1 Article 1 Athletes 1 Humans 1 Martial Arts 1 Surveys and Questionnaires 1 T lymphocyte 1 anxiety 1 anxiety disorder 1 athlete 1 body temperature 1 cell activation 1 cell structure 1 cell viability 1 cold exposure 1 controlled study 1 core temperature 1 cryotherapy 1 exercise 1 fatigue 1 gamma interferon 1 human cell 1 immune response 1 in vitro study 1 in vivo study 1 macrophage 1 mixed cell culture 1