Lower Back Anatomy. Muscles of the Low Back and Pelvis right lateral deep view. L1 L2 L3 L4 and L5.
Your back muscles extend from the bones of your neck cervical vertebrae to your lower back lumbar spine and then to the base of your lumbar spine sacrum and tailbone coccyx. However the posterior bony structure is differentlamina pedicles and bony processes. The lumbar spine the lower back composed of five vertebrae provides support for the majority of your bodys weight.
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The lumbar spine the lower back composed of five vertebrae provides support for the majority of your bodys weight. Specifically it is the bottom five vertebrae backbones above the sacrum and the coccyx tailbone. Colorful Lumbar Spine Anatomy Pattern Body organs chart. Muscles of the Low Back and Pelvis right lateral superficial view.