Respiratory Muscle Strength in Different Age Groups

Maximum inspiratory pressure-maximum expiratory pressure. The mouth pressure measurement was performed with the Micro-RPM® instrument from SensorMEDIC. Patient placed a rubber mouthpiece with flanges, on the device, sealed their lips firmly around the mouthpiece, exhaled/inhaled slowly and completely and then tried to breath in as hard as possible. The patient was allowed to rest for about a minute and the maneuver was repeated.