At first glance it may appears unbelievable, because human bipedalism is such a key evolutionary innovation. Few characteristics of being human have engrossed such intense debate than the fact that, distinct from many other living mammals, humans walk upright on two legs. Unlike the quadrupedal primates, bipedal primates are sluggish, clumsy, and particularly unbalanced and disposed to to falls and injury. In spite of the negatives characteristics, bipedalism has allowed humans to multiply to a world population of over six billion. Bipedalism allows humans to assume a status of superiority over all other life on the planet. Such an extraordinary evolutionary adaptation calls for great explanation.
Bipedalism refers to locomotion