Why Your Breathing Feels Shallow During High-Intensity Intervals: Diaphragm Fatigue and Ribcage Mobility in Cyclists and Runners
Shallow breathing during HIIT isn't just 'going hard'—it's a measurable sign of diaphragm fatigue and restricted ribcage mobility. New EMG and spirometry data reveal why endurance athletes hit this wall—and how targeted drills restore ventilatory efficiency.
Read: Why Your Breathing Feels Shallow During High-Inten…