What does the thoracic vertebrae control?

What does the thoracic vertebrae control?

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.

What does the T8 nerve control?

T1-T8 Differences Defined The T1-T4 thoracic sections control primarily chest muscles and organs, such as the heart and lungs. The T5 – T8 vertebrae affect the abdominal muscles, as well as some of the chest.

What nerves are affected by T6 and T7?

Thoracic Nerve Functions

• T1 and T2 (top two thoracic nerves) feed into nerves that go into the top of the chest as well as into the arm and hand.
• T3, T4, and T5 feed into the chest wall and aid in breathing.
• T6, T7, and T8 can feed into the chest and/or down into the abdomen.

What is the function of the thoracic nerve?

Structure and Function The long thoracic nerve is the motor nerve to the serratus anterior muscle, which functions to pull the scapula forward around the thorax, allowing for anteversion of the arm, and to lift the ribs, assisting in respiration.

Where is the T9 in your back?

ninth thoracic vertebra
Your T9 vertebra is the ninth thoracic vertebra, meaning that it’s part of the region of your spine that’s aligned with your chest and connect to your rib cage. These vertebrae, 12 in total, support your ribs and upper body, and protect some of the most important nerves in your body.

What does the T3 vertebrae control?

Function of the T3 vertebra The T3 vertebra is a strong piece of bone that interlocks with the adjacent vertebrae to provide stability and support in the thoracic spine, while still allowing for a measure of flexibility.

Where is T7 in the spine?

The T7 vertebra is the seventh thoracic vertebra, found in the middle of the chest between the seventh and eighth pairs of ribs. It plays important roles in the support of the spinal cord, ribcage, and muscles of the chest.

What is the thoracic region of the spinal cord?

The thoracic region of the spinal cord innervates the muscles and areas of skin that make up the trunk and inner arms. It consists of 12 levels: T1-T12.

What happens to the body after a thoracic spinal cord injury?

Following a thoracic spinal cord injury, individuals experience loss of motor control and sensation in the trunk and/or legs (paraplegia). Depending on the level and severity of the spinal cord injury, the amount of motor control and sensation spared will vary.

What is an hourglass-shaped intervertebral tumour?

A tumour that is within the intervertebral foramen is often shaped like an hourglass or dumb-bell, one limb of which can give rise to a paravertebral extraspinal extension, which is sometimes palpable. The Thoracic Spine e170 © Copyright 2013 Elsevier, Ltd.

What are the signs and symptoms of a spinal cord tumour?

The tumour may also compress the spinal cord, affecting both motor and sensory elements (see p. 390). As a consequence, the patient may complain of stiff- ness of the legs, muscle spasms, extrasegmentally referred pins and needles, and disturbed sphincter function with loss of bowel or bladder control.