why do so many ufc fighters have cauliflower ear
Cauliflower ear The condition is common in martial arts such as boxing, mixed martial arts or wrestling, and in full-contact sports such as rugby union football.
Arrector pili muscle Contraction of the muscles has a number of different purposes. Its principal function in the majority of mammals is to provide insulation: air becomes trapped between the erect hairs, helping the animal retain heat. Erection of the porcupine's long, thick hairs causes the animal to become more intimidating, scaring predators. Pressure exerted by the muscle may cause sebum to be forced along the hair follicle towards the surface, protecting the hair.