Scoliosis facilitates terrestrial feeding from grasses, trees, and bushes. Given the many benefits of bipedality which depends on a particularly formed spine, it is likely that selection for bipedalism played a large role in the development of the spine as we see it today, in spite of the potential for "scoliotic deviations". According to the fossil record, scoliosis may have been more prevalent among earlier hominids such as Australopithecus and Homo erectus, when bipedality was first emerging. Their fossils indicate that there may have been selection over time for a slight reduction in lumbar length to what we see today, favoring
Body image had recently complained about the way they look. The main causes of male body issues include 25% being teased about their weight, while 33% specified social media as the source for self-consciousness. A factor that affects male body image on social media sites is "celebrity involvement". Following celebrities on social media sites makes it possible to interact personally with celebrities, which has been shown to influence male body image. A number of respondents also admitted to being affected by negative body talk from others. Men may also suffer from the mental disorder bigorexia, also known as muscle dysmorphia. Sufferers of