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Binomial Nomenclature
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Scientific naming of species
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Homo sapiens
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Anatomically modern humans
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Occipital condyles
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-the atlas (C1)
-vertebral column
-axial skeleton
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Articulation as a noun
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"a joint"
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Articulate as a verb
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X articulates with Y
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Where do the axial and appendicular skeletons articulate?
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1. Sternoclavicular joint
2. iliosacral joint [sacroiliac (SI) joint]
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Pan troglodytes
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Common chimpanzee
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Foramen magnum location in humans
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Shifted rostrally and face is flatter, balanced on the vertebral column and gaze is directed forward when standing
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Bipedalism
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The habit of walking upright on two legs; defining characteristic of the family Hominidae; form Homo sapiens use
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Vertebral curvature of humans
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S-shaped: human adaptation for bipedal locomotion,
skull pivot point is central/upright
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Vertebral curvature of Pan troglodytes (chimps)
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C-shaped,
posterior
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Pelvis shape in humans
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Ilium forms a more bowl-like greater pelvis and is expanded posteriorly: produces an effective backswing of thigh while in stride
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Femur angle in humans
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Angled medially so knees are more nearly below the body's center of gravity
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Femur angle in Pan troglodytes (chimps)
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Quadrupedal, so their femur is more straight
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Hallux in humans
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Adducted with other toes; nonprehensile, "toe off" stride
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