ANTH 112 Lecture Notes - Lecture 25: Knuckle-Walking, Outlast, Back Pain
Document Summary
Homo habilis: in english able man or handyman, main feature of the species used irst tools. Cranial capacity of 700c (almost double the size of chimp brain: sill considered small by today"s standards. Post-cranial skeleton similar to australopithecus: all the set up for bipedalism, no change in locomoion. Some evidence of sexual dimorphism (decreases over ime) Which australopithecines were ancestral: what traits enabled diferent species to be successful, brain development (last organ in the body to fully develop) Homo habilis oldowan tool tradiion: not a clear associaion (assumpion based on brain size, brain organizaion to make tools. Longer child dependency: tendency to have this connecion their enire life, diferent way of organizing social groups. Technique: percussion: uses: hides, meat processing, spears, digging sicks. Tools: cores vs lakes (4 or 5 tools per kilo) Habitual walking on two feet (habitual upright locomoion: not chimps (knuckle walking, pelvis is too bow-legged and wobbly.
