Fig. 1From: Effects of pulmonary-based Qigong exercise in stable patients with chronic obstructive pulmonary disease: a randomized controlled trialMain characteristics of pulmonary-based Qigong exercise. a Rise-up position. b “hu” sounding. c “si” sounding. d Pushing up the sky to regulate the triple warmer. e Drawing a bow to shoot a vulture. f Crane spread its wings. g Crane exercise of the crane flies. h Cross-armed iron staff. i Restore positionBack to article page