Why do my quads burn intensely when I walk slowly down a steep paved hill?
1. Introduction The intense burning sensation in the quadriceps during slow downhill walking is caused by eccentric muscle contractions. As the body resists gravity, the quadriceps must lengthen while simultaneously generating tension to control the descent. This dual demand causes microscopic muscle fiber damage and rapid accumulation of metabolic byproducts, triggering localized pain receptors. Walking … Read more