Like Dumbbells for Your Diaphragm Improve endurance, lifting performance, blood pressure, endothelial health, and even sleep apnea with inspiratory muscle training. IMT: Inspiratory Muscle Training For a long time, my body was too stupid to breathe. It was a lot like the cartoon I saw as a kid of two bipedal dogs that were pals. One, the bigger of the two, was alarmingly stupid, while the smaller one was the tough talkin’, street-savvy dog that steered their misadventures. Occasionally...