Efficiency of Locomotion
We’ve evolved to be joggers
Thermoregulation and efficiency of locomotion
Quadrupeds are much faster runners than obligate bipeds
E.g., A cheetah will have to provide energy to hold up body ad
push off (momentum) all quadrupeds
E.g., Human energy doesn’t change no matter if you are walking
or standing still we don’t have to push off to walk, we just have
to leant forwards and let out legs swing
We have to push off like quadrupeds ifw e want to sprint
Humans’ evolved to be joggers
Thermoregulation AND efficiency of Locomotion Humans can lose internal body heat much more easily b/c we
don’t have fur
A. Reduced Hair Cover?
Tied to development of sweating (transpiration) as an effective
thermoregulation system in hot, dry climates??
B. Early Hominins and Hunting?
Hunting would potentially explain 2 major trends in hominin
evolution discussed earlier:
o Bipedalism: Freed up the hands for the manufacture and
use of hunting weapons? o Encephalization: A need for increased cooperation and
communication to be successful hunters led to a large