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Anatomy/Regions/Spine & Back/Lumbar Spine

Lumbar Spine

The 5 vertebrae of the lower back (L1-L5), bearing most body weight.

Skeletal SystemSpine & Back

Interactive 3D Model

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Lumbar spine (L1-L5, lower back) - AnatomyTOOL CC BY-SA 4.0

Parts

L1-L5 Vertebrae

Intervertebral Discs

Functions

Weight-bearing
Flexion
Extension

Related

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