Why do my inner thighs chafe and severely bruise when I ride a heavy motorcycle?
1. Introduction The inner thighs chafe and bruise when riding a heavy motorcycle due to a combination of mechanical shear stress and intense isometric contraction of the adductor muscles. The constant friction of gripping the wide, vibrating gas tank strips the epidermal barrier, causing friction dermatitis, while the sustained pressure ruptures superficial capillaries in the … Read more