Question

1. Compare ape-human differences in vertebral column, pelvis, femur, feet and hands and how they affect locomotion.

Answer 1

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Answers .(Vertebral Column)

The human spine has an S shape that keeps the head and the torso above the centre of gravity. It also acts a little like a spring to absorb force or jarring during activity.

Pelvis: Humans have a much broader pelvis giving stability when walking upright as it transfers the weight directly to the legs. Humans have a more ‘bowl shaped’ pelvis to better support the organs above.

Femur

Head of femur is far apart and knee ends close together forming an angle called valgus angle in humans

In apes head of femur and knee ends in vertical angle.

Feet and hands

Prehensile feet are lower limbs that possess prehensility, the ability to grasp like a hand. They are most commonly observed in monkeys, who similarly possess prehensile tails, and apes

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