<P> Richard Zickler performed a 1997 study of 800 photographs of the above patterns and their occurrence in males and females, paying particular attention to the development of hair during puberty . In Zickler's study the horizontal pattern was most common in females with an incidence of about 80 percent . The acuminate pattern occurred in about 55 percent of males and occasionally in females . The disperse pattern occurred in about 19 percent of the males studied . </P> <Ul> <Li> <P> Sagittal hair growth on the abdomen </P> </Li> <Li> <P> Disperse hair growth on the abdomen </P> </Li> </Ul> <Li> <P> Sagittal hair growth on the abdomen </P> </Li> <P> Sagittal hair growth on the abdomen </P>

What does it mean to have your hair frosted