I’m adding some links to the “muscles of the hip joint” entry below, so will stick them here too.
How Stuff Works: Why do humans walk on two legs? – an article exploring some of the thoughts of why we walk on two legs.
BBC Science & Nature: Mother of man – 3.2 million years ago – part of a series of human evolution articles, this one about the discovery of “Lucy” and the importance of “bipedalism” in differentiating between apes and man.
Running Planet: Leg blasting circuit – strengthen, tone and sculpt your leg muscles with this cross training workout. There’s some good anatomy in there too.
