The five lumbar vertebrae, L1 to L5, are the most massive ones. Their main function is to support the cervical and thoracic spine. The lumbar region also absorbs most of the stress of lifting and carrying objects. Therefore, many spinal problems occur in the low back because of the weight the lumbar spine has to carry.
Which section of the spine contain the largest vertebrae?
The five lumbar vertebrae are the largest vertebral bones and increase in size when moving inferiorly. The lumbar vertebrae play a key role in supporting the body and facilitating locomotion. Lumbar vertebra: Image of typical lumbar vertebra.
Which of the vertebrae are the largest?
The lumbar vertebrae are the some of the largest and heaviest vertebrae in the spine, second in size only to the sacrum. A cylinder of bone known as the vertebral body makes up the majority of the lumbar vertebrae’s mass and bears most of the body’s weight.
What is the longest portion of your spine?
The thoracic spine is the longest region of the spine, and by some measures it is also the most complex. Connecting with the cervical spine above and the lumbar spine below, the thoracic spine runs from the base of the neck down to the abdomen. It is the only spinal region attached to the rib cage.
What are the 5 sections of the spine?
The spine is composed of 33 bones, called vertebrae, divided into five sections: the cervical, thoracic, and lumbar spine sections, and the sacrum and coccyx bones.
What are the names of the first two vertebrae in your spine?
The cervical spine is made up of 7 vertebrae. The first 2, C1 and C2, are highly specialized and are given unique names: atlas and axis, respectively.
What is the name of the top vertebrae in your spine?
The Atlas: The Top Bone in Your Cervical Spine
The atlas is also known as C1, and while other bones in your spine are numbered in such a way (eg, the first bone is your lumbar spine is known as L1), this vertebra is much different in shape and function compared to the rest of your vertebrae.
What are the top 7 vertebrae called?
Regions of the Spine
Cervical (neck)- the top seven vertebrae/bones are called C1-C7. Thoracic (upper back)- the next 12 vertebrae/bones are called T1-T12. Lumbar (lower back)- the next five vertebrae/bones are called L1-L5.
What are the next 12 vertebrae called?
Vertebral Column
| Term | # of Vertebrae | Abbreviation |
|---|---|---|
| Thoracic | 12 | T1 – T12 |
| Lumbar | 5 or 6 | L1 – L5 |
| Sacrum | 5 (fused) | S1 – S5 |
| Coccyx | 3 | None |
What is the L spine?
The lumbar spine (lower back) consists of five vertebrae in the lower part of the spine, between the ribs and the pelvis. Lumbar spinal stenosis is a narrowing of the spinal canal, compressing the nerves traveling through the lower back into the legs.
Does Sofie Dossi have a spine?
The bottom line: Assuming Sofie isn’t in chronic pain, she’s not doing anything harmful to her body. She and her spine (which, again, she most definitely has, people!), are just really, really amazing.
What is the weakest part of the spine?
The weakest part of the spine is the cervical spine, which is made up of seven vertebrae.
What absorbs shock in the spine?
The intervertebral discs are soft structures which act as shock absorbers between each of the vertebrae (bones) in the spine. A single disc sits between each vertebra.
What is L7 in the spine?
The seventh lumbar vertebra (L7) or its caudal articular processes are considered the most frequent sites of fractures, with fracture occurring more commonly than dislocation (Flatt et al., 1974).
What are the parts of a spine?
The spine itself has three main segments: the cervical spine, the thoracic spine, and the lumbar spine. The cervical is the upper part of the spine, made up of seven vertebrae (bones). The thoracic is the center portion of the spine, consisting of 12 vertebrae. The lower portion of the spine is called the lumbar spine.
What are the 26 bones of the spine called?
The spine. Your spine is a column of bones running down the back of your body. Without it, you couldn’t hold up your head and body, or make any kind of movement. It consists of 26 bones called vertebrae.