AB abdominal binding
ACZ acetazolamide
APCF assisted peak cough flow
COPD chronic obstructive pulmonary disease
CPAP continuous positive airway pressure
CPF cough peak flow
DP diaphragm pacing
DPS diaphragm pacing system
EMT expiratory muscle training
ERV expiratory reserve volume
ES electrical stimulation
ES-LCE electrical stimulation induced leg cycle ergometry
fb frequency of breathing
FES functional electrical stimulation
FESRT functional electrical stimulation row training
FEV1 forced expiratory volume in one second
FRC functional residual capacity
FVC forced vital capacity
FMS functional magnetic stimulation
GI glossopharyngeal insufflation
GPB glossopharyngeal breathing
HFPV high frequency percussion ventilation
HR heart rate
HRQOL health-related quality of life
HVtV high tidal volume ventilation
LOS length of stay
IC inspiratory capacity
ICU intensive care unit
IH isocapnic hyperpnoea
IMT inspiratory muscle training
IMV intermittent mandatory ventilation
IRV inspiratory reserve volume
MEP (or PEmax) maximal expiratory pressure
MIE mechanical insufflation-exsufflation
MIP (or PImax) maximal inspiratory pressure
MV mechanical ventilation
MVV maximal voluntary ventilation
NIV (or NIMV) non-invasive stimulation / non-invasive mechanical stimulation
NMES neuromuscular electrical stimulation
OLT overground locomotor training
OSA obstructive sleep apnea
OUES oxygen uptake efficiency slope
PAP positive airway pressure
Pes esophageal pressure
PaCO2 partial pressure of arterial carbon dioxide
PaO2 partial pressure of arterial oxygen
PCF peak cough flow
PEF (or PEAF) peak expiratory flow / peak expiratory air flow
PEFR peak expiratory flow rate
PETCO2 end-tidal partial pressure of CO2
Pga gastric pressure
PIF peak inspiratory fow
PNS phrenic nerve stimulation
PSG polysomnography
PVFB progressive ventilator free breathing
QOL quality of life
REM rapid eye movement
RER respiratory exchange ratio
RI respiratory infection
RMT respiratory muscular training
RPE rate of perceived exertion
RTI respiratory tract infections
RV residual volume
SCI spinal cord injury
SCS spinal cord stimulation
SCU spinal cord unit
sEMG surface EMG
SGRQ St. George’s Respiratory Questionnaire
SIP maximal sustainable mouth pressure
SDB sleep-disordered breathing
TLC total lung capacity
TOT tracheostomy
TV (or VT) tidal volume
UPCF unassisted peak cough flow
UNDW ultrasonically nebulized distilled water
VC vital capacity
VCO2 CO2 production
VE minute ventilation
VO2 O2 consumption