BMD	bone mineral density
CAM	contact angle measurement
CG	control group
DR	Degrees of Recommendation
EE	endurance exercise
FFM	Fat free mass
FFMI	Fat free mass index
FVC	forced vital capacity
FRC	functional residual capacity
FSS	Fatigue Severity Scale
I	intensity
IG	intervention group
ISWT	incremental shuttle walking test
LCQ	Leicester Cough Questionnaire
MBC	maximum breathing capacity
PEmax	maximal expiratory pressure
MIE	maximal inspiratory effort
min	minute
PImax	maximal inspiratory pressure
OC	outcome
OPEP	oscillating positive expiratory pressure
PEDro	Physiotherapy Evidence Database
PEP	positive expiratory pressure
PPS	patient preference scale
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analysis
PR	pulmonary rehabilitation
PR-control	pulmonary rehabilitation control group
PR-IMT	pulmonary rehabilitation inspiratory muscle training group
PR-sham	pulmonary rehabilitation sham group
QOL-B	quality of Life for BC
SGRQ	St George’s Respiratory Questionnaire
RV	residual volume
ss	session
SIP	sustainable inspiratory pressure
SV	sputum volume
TBS	The Borg Scale
TIMT	threshold inspiratory muscle trainer
TLC	Total Lung Capacity
TV	transport velocity
VRP1®	type of Flutter
6MWD	6 Minute-Walking Distance