Pelvis illustration

Turning my sketchbook to the human pelvis today. It's quite an interesting and complex bit of architecture; quite the feat of natural selection in how it pivoted and morphed from the more horizontal primate-style structure designed for knuckle-walking to the upright construction in the early bipedal hominids. The angles the spine creates in the lower back as a result of this design continue to produce back strain even today after over 4 million years of evolution (as I can attest to after my trips to the chiropractor earlier this year).

I included a copy of the illustration with labels as it might appear in an anatomy guide. This is obviously a huge tip of the hat to Stephen Rogers Peck's Atlas of Human Anatomy for the Artist.