Fig. 2From: Feasibility of cardiopulmonary exercise testing and training using a robotics-assisted tilt table in dependent-ambulatory stroke patientsTypical peak cardiopulmonary responses (Subject 8) during the IET test protocol. a Target and measured work rates, b respiratory exchange ratio (RER), c oxygen uptake (V'O2) and carbon dioxide output (V'CO2), d heart rate (HR). The plots of RER, V'O2, V'CO2 and HR show averages over a 30s moving windowBack to article page