“It only tightens on the same hill, at the same pace”: the two minutes after stopping that most walkers put down to lost fitness
Chest tightness that strikes at exactly the same point every time you walk a particular hill isn’t a sign of declining fitness—it’s a warning your body is sending. A symptom that appears like clockwork points to a specific physiological threshold, not gradual deconditioning, and understanding the difference could change how you approach the problem.