呼吸肌是人体唯～终生所依赖的骨骼肌。如同心脏一样，有节律地收缩与舒张，昼夜不止，维持人体的外呼吸功能。同时还参于诸如咳嗽、排痰、呕吐、排便和分娩等与胸腹腔压力升高有关的非呼吸功能。国外近20年有关呼吸肌的研究进展较快。目前其研究领域已涉及到解剖学、组织学、 Respiratory muscle is the only human body ~ rely on skeletal muscle. As the heart, rhythmic contraction and relaxation, day and night more than to maintain the body’s external respiratory function. At the same time also involved in such as cough, expectoration, vomiting, defecation and childbirth and other intra-abdominal pressure increases non-respiratory function. Nearly 20 years abroad, respiratory muscle research progress is fast. At present, his research areas have involved anatomy, histology,