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The Daily Insight

What is a trunk injury on a human body

Author

Mia Morrison

Published May 25, 2026

Sources of atraumatic trunk pain include the thoracic spine (disc herniation, scoliosis, kyphosis), ribcage (BSI, costochondritis, TS, slipping rib syndrome, costovertebral or costotransverse joint dysfunction), and torso musculature (serratus anterior, intercostal, oblique muscle strain, myofascial pain).

What are trunk injuries?

Sources of atraumatic trunk pain include the thoracic spine (disc herniation, scoliosis, kyphosis), ribcage (BSI, costochondritis, TS, slipping rib syndrome, costovertebral or costotransverse joint dysfunction), and torso musculature (serratus anterior, intercostal, oblique muscle strain, myofascial pain).

Is the neck considered part of the trunk?

The torso of the human body, from the neck to the groin — but not including the head, neck, arms, or legs — is sometimes referred to as the trunk. If you have hives on your trunk, you probably itch on your back, chest and abdomen.

What is traction injury?

Traction injury occurs when the shoulder is depressed and the neck is forced into lateral flexion away from the involved side; as a result, the brachial plexus is stretched.1,2,10 The second mechanism involves a direct blow to the supraclavicular fossa; this causes a percussive injury to the upper trunk5,6 (Figure 1, …

What is a plexus injury?

The brachial plexus is the network of nerves that sends signals from your spinal cord to your shoulder, arm and hand. A brachial plexus injury occurs when these nerves are stretched, compressed, or in the most serious cases, ripped apart or torn away from the spinal cord.

What are the signs and symptoms of a brachial plexus injury?

  • Numbness or loss of feeling in the hand or arm.
  • Inability to control or move the shoulder, arm, wrist or hand.
  • An arm that hangs limply.
  • Burning, stinging or severe and sudden pain in the shoulder or arm.

What is a plexus?

A plexus is a bundle of intersecting nerves, blood vessels, or lymphatic vessels in the human body. These bundles typically originate from the same anatomical area and serve specific areas of the body. Bundles of nerves that form a plexus communicate information to your brain about pain, temperature, and pressure.

What muscles belong to the trunk?

There are five muscles that form the abdominal part of the anterior trunk. These are the rectus abdominis, pyramidalis, external abdominal oblique, internal abdominal oblique and transversus abdominis.

Where is the trunk located on the human body?

The main part of the body that contains the chest, abdomen, pelvis, and back. Most of the body’s organs and the backbone are found in the trunk. Also called torso.

Is torso and trunk the same?

As nouns the difference between torso and trunk is that torso is the part of the (human) body from the neck to the groin, that is, the body excluding the head and limbs while trunk is the (usually single) upright part of a tree, between the roots and the branches: the tree trunk.

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What nerves are affected by C5 C6?

From the upper trunk C5 and C6 give rise to the nerve to the subclavius, and the suprascapular nerve, that supply the subclavius muscle, and the supra- and infraspinatus muscles, respectively.

How long do damaged nerves take to heal?

Regeneration time depends on how seriously your nerve was injured and the type of injury that you sustained. If your nerve is bruised or traumatized but is not cut, it should recover over 6-12 weeks. A nerve that is cut will grow at 1mm per day, after about a 4 week period of ‘rest’ following your injury.

Is brachial plexus a disability?

Brachial Plexus Palsies Brachial plexus damage can range from mild to severe disability in one arm. The disability may be temporary or permanent. When the disability is permanent, treatment may help lessen the severity of the disability.

What is spiral cord?

The spinal cord is a long bundle of nerves and cells that extends from the lower portion of the brain to the lower back. It carries signals between the brain and the rest of the body.

What is a ganglion nerve?

ganglion, plural ganglia, dense group of nerve-cell bodies present in most animals above the level of cnidarians. … A spinal ganglion, for instance, is a cluster of nerve bodies positioned along the spinal cord at the dorsal and ventral roots of a spinal nerve.

What are the 4 plexuses of spinal nerves?

  • Cervical plexus – serves the head, neck and shoulders.
  • Brachial plexus – serves the chest, shoulders, arms and hands.
  • Lumbosacral plexus. Lumbar plexus – serves the back, abdomen, groin, thighs, knees, and calves. …
  • Coccygeal plexus – serves a small region over the coccyx.

Can brachial plexus injury heal on its own?

Many injuries to the brachial plexus will recover spontaneously without surgery over a period of weeks to months, especially if they are mild. Nerve injuries that heal on their own tend to have better functional outcomes.

What doctor treats brachial plexus?

Orthopedic surgeons, neurosurgeons and rehabilitation specialists are all part of the brachial plexus team at Mayo Clinic.

What muscles are affected by brachial plexus injury?

  • Injuries to the upper brachial plexus (C5, C6) affect muscles of the shoulder and elbow.
  • Injuries to the lower brachial plexus (C7, C8, and T1) can affect muscles of the forearm and hand.

What are the parts of the human trunk?

The trunk includes the chest (in front), the back, the shoulders and the abdomen. The internal organs which we cannot see, are the heart, the lungs, the stomach, the liver with the gall-bladder, the pancreas, the spleen, the kidneys and the small and large intestines (bowels). The arms and legs are called the limbs.

Does trunk include back?

A: The trunk is the main part of the body. It does not include the head or the limbs but everything in between (front to back, top to bottom). The thorax is also known as the chest. … The pelvis refers to four bones in the lower part of the trunk.

What type of joint is the trunk?

The interface between the rib and the cartilage is a costochonral joint. The interface between the cartilage and the sternum is a sternocostal joint. Sternocostal joints are slightly articular synovial joints.

What is trunk flexion?

Trunk flexion was the result of a simultaneous forward pelvic tilt and flexion of the spine. For trunk movements up to 55 degrees, spine flexion dominated the movement, whereas for larger movements a major part of the amplitude was caused by pelvic tilt.

Is the trunk midline muscle that compresses the abdomen?

Diaphragm The is an abdominal muscle with horizontal fibers. Longissimus cervicis The are found between the ribs and function to elevate the rib cage. Linea alba The is the trunk midline muscle that compresses the abdomen. … Internal oblique The are found between the ribs and function to depress the rib cage.

What are called trunk?

Definition of trunk 1a : the main stem of a tree apart from limbs and roots. — called also bole. b(1) : the human or animal body apart from the head, neck, and appendages : torso. (2) : the thorax of an insect. c : the central part of anything specifically : the shaft of a column or pilaster.

Can neck problems affect your legs?

Cervical spinal stenosis can potentially cause serious problems with the nervous system, including problems with bowel or bladder control (incontinence) and permanent loss of strength and feeling in the arms, hands, legs, and chest.

Can neck problems affect your eyes?

Muscle tension in the upper back, neck and shoulders can lead to headaches or problems with your vision, as the flow of blood is restricted to your eyes. Signs you may notice are: Throbbing pain around the temples. Blurred vision or difficulty focusing.

Can spinal stenosis affect your eyes?

Cervical stenosis can also lower your “position sense.” In other words, while your eyes are closed, you might not be able to sense where your arms or legs are.

What are the signs of nerve damage?

  • Numbness or tingling in the hands and feet.
  • Feeling like you’re wearing a tight glove or sock.
  • Muscle weakness, especially in your arms or legs.
  • Regularly dropping objects that you’re holding.
  • Sharp pains in your hands, arms, legs, or feet.
  • A buzzing sensation that feels like a mild electrical shock.

What does nerve damage feel like?

Nerve pain often feels like a shooting, stabbing or burning sensation. Sometimes it can be as sharp and sudden as an electric shock. People with neuropathic pain are often very sensitive to touch or cold and can experience pain as a result of stimuli that would not normally be painful, such as brushing the skin.

How can you tell the difference between muscle pain and nerve pain?

Different Types of Pain The pain is typically localized in the muscle itself, and it usually hurts when you use the muscle. You feel fatigued and may have trouble sleeping. Nerve pain is described as crushing, burning, tingling or numbness. It is sharp and you may feel pain on the skin above the nerves as well.