
0:51
In this Portuguese monologue, the speaker warns treadmill users that running without proper impact cushioning—especially as fatigue sets in—can cause serious knee and spinal injuries. He emphasizes that this style does not diminish cardio intensity, but the lack of shock absorption puts excessive force on the joints. Additionally, he notes that such erratic running is disruptive and unsettling for nearby gym-goers, potentially damaging the treadmill itself.










