Patterns of respiration ■ Eupnea(平静呼吸): inspiration is active, expiration is passive Abdominal breathing Thoracic breathing Forced breathing(用力呼吸): respiratory movement is greatly enhanced during physical exercisePatterns of respiration ◼ Eupnea（平静呼吸）: inspiration is active, expiration is passive. – Abdominal breathing – Thoracic breathing ◼ Forced breathing （用力呼吸） : respiratory movement is greatly enhanced during physical exercise