What causes knee pain to worsen when walking down stairs?

What causes knee pain to worsen when walking down stairs?

1. Introduction Worsening knee pain when walking down stairs is primarily caused by patellofemoral pain syndrome, where the kneecap tracks improperly during eccentric muscle contraction, multiplying the compressive forces on the underlying cartilage. As a person descends a staircase, the knee must bend while simultaneously bearing the full weight of the body. This specific biomechanical … Read more