500
Participants
Start Date
July 31, 2016
Primary Completion Date
December 31, 2020
Study Completion Date
June 30, 2021
Control group
Neither cycle training nor inspiratory muscle training.
Calibrated cycle ergometer
The most common device to perform cycle training is calibrated cycle ergometer.
Threshold loading device
Threshold loading device is used to perform inspiratory muscle training.
Calibrated cycle ergometer and threshold loading device
Combined cycle training and inspiratory muscle training.The threshold loading device is composed of a mouth -piece attached to a small plastic cylinder that contains a spring-loaded poppet value. The valve opens to permit inspiratory flow only once the person has generated adequate negative intrathoracic pressure to condense the spring.
Zhujiang Hospital,Southern Medical Universtiy, Guangzhou
Guangzhou Institute of Respiratory Disease
OTHER
The First Affiliated Hospital of Guangdong Pharmaceutical University
OTHER
Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
OTHER
Nanfang Hospital, Southern Medical University
OTHER
Zhujiang Hospital
OTHER