How many vertebrae are there in 12?
These regions are called the cervical spine, thoracic spine, lumbar spine, sacrum, and coccyx. There are seven cervical vertebrae, twelve thoracic vertebrae, and five lumbar vertebrae.
Where is the 12th vertebrae?
The T12 vertebra sits right above the lumbar spinal column. It is the largest and most inferior of the thoracic spinal vertebrae. The T12 vertebrae location is between the T11 vertebra and the first lumbar vertebra, L1, in the trunk region.
What protects spinal cord?
The spinal cord is protected by bones, discs, ligaments, and muscles. The spine is made of 33 bones called vertebrae. The spinal cord passes through a hole in the center (called the spinal canal) of each vertebra. Between the vertebrae there are discs that act as cushions, or shock absorbers for the spine.
What nerves are affected by t6?
T-1 through T-5 nerves affect muscles, upper chest, mid-back and abdominal muscles. These nerves and muscles help control the rib cage, lungs, diaphragm and muscles that help you breathe. T-6 through T-12 nerves affect abdominal and back muscles.
Can thoracic spine cause leg Pain?
In the thoracic spine area, this can include total paralysis of the legs. The symptoms of a herniated disc in the thoracic area usually include: Pain that travels around the body and into one or both legs. Numbness or tingling in areas of one or both legs.
What bone is responsible for turning the head?
The atlas and the occipital bone form the atlanto-occipital joint, which allows neck flexion. When you nod your head as if to say “yes,” that is neck flexion. The atlas and axis form the atlanto-axial joint, which allows head rotation. If you shake your head as if to say “no,” that is head rotation.
How are brain and spinal cord protected in humans?
The brain and spinal cord are protected by bony structures — the skull and spinal column. Meninges are membranes that cover and protect the brain and spinal cord.
What is a function of spinal cord?
Carrying signals from the brain: The spinal cord receives signals from the brain that control movement and autonomic functions. Carrying information to the brain: The spinal cord nerves also transmit messages to the brain from the body, such as sensations of touch, pressure, and pain.
What are the symptoms of thoracic spinal stenosis?
What are symptoms of thoracic spinal stenosis?
- Neck pain.
- Stiffness of the neck.
- Numbness in the shoulders, arms or hands.
- Sciatica.
- Foot drop.
- Difficulty walking or standing.
