ANATOMY
THE VERTEBRAL COLUMN
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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supporting more weight in the lower back than in the neck
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supporting less weight in the lower back than in the neck
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evolution
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vertebrae don’t increase in size
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Detailed explanation-1: -Human vertebrae increase in size from the neck to the lower back due to increased weight bearing. Spinous processes show little variation in length, are often bifurcated in cervical vertebrae, and tend to be sharp and point inferiorly in thoracic vertebrae.
Detailed explanation-2: -They lumbar vertebrae are the largest, in terms of size, out of all the vertebrae due to their role in supporting the weight of the body when a person is standing due to the effects of gravity.
Detailed explanation-3: -Lumbar Vertebrae (L1 – L5) The lumbar vertebrae graduate in size from L1 through L5. These vertebrae bear much of the body’s weight and related biomechanical stress.
Detailed explanation-4: -Compared with other spine vertebrae, your lumbar vertebrae are larger, thicker and more block-like bones. Your lumbar vertebrae provide stability for your back and spinal column and allow for a point of attachment for many muscles and ligaments. Your lumbar vertebrae support most of your body’s weight.