Safety, Recovery, and Measuring Progress
Start with joint circles, marching, and easy hip hinges. Finish with slow nasal breathing, calf stretches, and gentle forward folds. Comment the one warm-up drill that makes your first interval feel instantly smoother.
Safety, Recovery, and Measuring Progress
Use the talk test and perceived exertion. At moderate effort, sentences feel choppy but possible; at hard, only words. Record your RPE alongside intervals, and compare weekly to notice real performance changes.