Is the concept of spinal flexion and extension, where flexion brings vertebrae closer and extension moves them apart, based on a frontal view of the spine?

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No, the concept of spinal flexion and extension is based on a sagittal (side) view of the spine. Flexion refers to the forward bending motion of the spine, while extension refers to the backward bending or straightening motion. This is best visualized from a side perspective, not from a frontal view.

For basic anatomical inquiries, you can often consult Google or other online resources, since this information is widely available and not exclusive to our training. By entering your question into Google, you're likely to come across numerous detailed sources that provide diverse perspectives on the topic.

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