The spine is composed of vertebrae arranged one above the other. The open space between vertebrae is known as the “intervertebral disc”. In addition to providing range of motion, these discs act as shock absorbers.
Each disc is composed of an annulus fibrosus, a harder outer band, and a nucleus pulposus, a soft, gel-like center. The nucleus pulposus may extend when an injury or prolonged strain causes the annulus fibrosus to rupture. It’s known as a Herniated Disc.
A Herniated Disc: What Is It?
A herniated disk, alternatively referred to as a ruptured disk or a slipped disk, is a condition in which a spinal disc’s soft inner material pushes through a tear in the disc’s outer layer. The spinal discs are flexible cushions that are positioned between the vertebrae, or bones, in the spine and serve as impact protectors.
Although it can happen anywhere on the spine, lower lumbar and cervical regions are the most frequently affected. Age-related degeneration, in which the disks lose moisture and lose elasticity over time, is the most frequent cause of a herniated disk. Herniated disks can also result from trauma, injury, poor technique when lifting heavy objects, or repetitive strain on the spine.
The soft, gel-like substance known as the nucleus pulposus, which is inside the disc, pushes through the weaker or damaged outer layer (annulus fibrosus) when a disk herniates. This bulge may apply pressure to nearby spinal nerves, resulting in pain, tingling, weakness, or numbness in the affected body part. Different symptoms may appear depending on the place and extent of the herniation.
Place:
Herniated discs may develop anywhere in the spine, but the cervical (neck) and lumbar (low back) regions are the most common places for them to appear.
The cervical spine, also known as the neck region, is a structure made up of the seven vertebrae C1 through C7.
- The head is joined to the uppermost two vertebrae (C1-2). Here, because of restricted mobility, Herniated Discs are rare.
- Middle neck region, C3–C4 and C4–C5. This area’s discs may press on nerve roots, causing symptoms like stiffness and pain in the neck, weakness in the muscles, and tingling or numbness in the hands, arms, and shoulders.
- In the lower neck, at positions C5–C6 and C6-7, the spinal cord transforms into spinal column nerves. The disc frequently experiences cervical herniations.
- Herniations in this area can cause symptoms of nerve compression as well as impair mobility and control of the shoulder or diaphragm.
Spine thoracic: Region of the upper trunk or mid back, containing vertebrae T1–T12.
- Although less frequent, Herniations Disc can happen in the space between the mid-back vertebrae. may result in changes to trunk sensation, pain in the abdomen, or radiating chest pain.
Vertebrae L1 through L5 make up the lumbar spine, which is situated at the base of the back. Stress and mobility factors cause herniated discs to happen most frequently.
- L4-L5, as well as L5-S1: These bottom two levels make up more than 90% of lumbar Herniated Disc cases. While lumbar flexion and rotation are possible from L4-L5, bending and heavy lifting are possible from L5-S1.
- L3–L4: About 5% of cases of Herniated lumbar Discs can make L3 or L4 nerve roots prone to disc material.
- Only 1–3% of herniations happen in L1–L2 and L2-L3, the most common lumbar levels. may continue to result in low back pain extending from the hips and thighs.
Herniated Disc Types:
- Herniation of the Discs posteriorly:
It usually protrudes the disc toward the vertebral canal in a posterolateral direction. As a nerve passes through the level of the disc and towards its opening, the disc that protrudes usually compresses the nerve directly below it. The S1 nerve, for example, is usually impacted at the level of L5 disc bulging.
- Cental Herniation:
Herniations of this kind are less frequent. A disc that extends past the second vertebrae has the potential to compress the spinal cord or cause Cauda Equina Syndrome.
- Herniated Disc Laterally:
A compression of the nerve root occurs in this instance above the herniation. A common condition that affects the L4 nerve root is lateral disc herniation.
Herniated Disc Stages:
Bulging Disc:
- In this phase, the disc margin reaches past the next vertebral end plates.
- The posterior longitudinal ligament is not damaged.
- The nucleus pulposus, the jelly-like substance inside the disc, exerts pressure on the tough annulus fibrosus, the disc’s outer layer.
- Localized pain and stiffness are possible symptoms.
Disc Protrusion:
- The disc bulges even more when it is outside of its usual bounds.
- The posterior longitudinal ligament is not injured.
- Pressure reduction from the nucleus pulposus has an impact on the annulus fibrosus.
- Altered nerve distribution sensation of tingling weakness, and radiating pain are possible symptoms.
Disc Extrusion:
- The nucleus pulposus partially escapes through the annulus fibrosus as a result of a disc rupture.
- The posterior longitudinal ligament might be partially split.
- More noticeable symptoms include extreme pain, numbness, and weakness in the muscles.
Disc Sequestration:
- The nucleus pulposus fully separates from the disc at this stage, which is the most severe.
- It is possible for the nucleus pulposus to move behind the disc space.
- Severe pain, nerve compression, and possible complications like cauda equina syndrome are possible symptoms.
Causes of Herniated Disc:
A Herniated Disc can develop as a result of or be caused by a number of factors.
Among the primary reasons are;
- Age
The natural aging process causes disks to degenerate. Age-Related disc loss increases the risk of herniation because older people’s discs lose structural integrity.
- Repeated Stress
Microscopic tears in the outer layers of the disc are caused by repetitive motions or bad posture when sitting. As a result of these small reductions, the disc’s structure can weaken and the probability of a herniation may rise.
- Disc damage or trauma
Injuries to the spine, such as those led on by falls, accidents or sports-related trauma, can cause to herniate disc.
- Degenerative Disc Diseases
As we age, some of our intervertebral discs’ elasticity and flexibility reduce. The outer ring is more prone to tearing and fractures. “Degenerative disc disease” refers to this normal aging process and “wear and tear” of the discs that increases the risk of disc herniation.
- A sedentary way of life
Prolonged sitting, inactivity, and lack of exercise can weaken the muscles supporting the spine, raising the risk of herniated discs and disc pressure.
- Being overweight
Being overweight increases the strain on many structures, including the spinal discs, and speeds up the breakdown of the discs. Increased compressive loading may also be attributed to abdominal obesity.
Sign & Symptoms of Herniated Disc:
- Tingling/Numbness Feelings
Compression and inflammation of the nerve can result in abnormal nerve signals, such as burning, tingling, or numbness along the nerve pathway into the extremity. Often, the affected side’s hand or foot are numb.
- Weakness of Muscles
Lessening of muscle strength or coordination in the muscles that a nerve supplies can result from nerve compression or inflammation. Cervical herniated disc can cause weakness in the hands grip. In lumbar herniation cases, foot drops are visible.
- Bladder/Bowel Changes
The cauda equina nerve roots, which regulate bowel and bladder function, may be severely compromised in rare and severe cases by a large lumbar herniated disc in the lower spine. This requires immediate surgical intervention.
- Pain
Usually starting from the back, this can spread to the arms and legs. People describe the feeling as sometimes burning or very intense.
- Weak Coordination
Muscle action potential and position sense have been affected by nerve compression. This results in imbalance or coordinated movement issues, such as falling often.
Diagnose
A physical examination by a physician can frequently identify a herniated disk.
They could look into;
- Reflex
- The back’s painful areas and their locations
- Muscular power
- The capacity to walk
- Touch sensitivity
A complete medical history and physical examination are usually the first steps in the diagnosis of a herniated disc. Imaging tests are then usually performed to confirm the herniation.
Imaging Examinations:
The doctor will order imaging scans to confirm and visualize the herniation if the results of the physical examination point to a herniated disc.
- An MRI scan is seen as the gold standard imaging test because it provides a detailed visualization of soft tissues such as nerve roots and disc material.
- Images of herniated disc material pressing on the spinal canal or nerve roots can be obtained using a CT scan.
- X-ray: Helps in ruling out fractures and other spinal problems. Limited use for seeing disc herniations up close.
Treatment:
Most of the time, people can get out of their symptoms by avoiding painful movements and following to their doctor’s recommended exercise and pain relief plans.
Medication, physiotherapy, injections, and surgery are available as forms of treatment.
Medications:
- Medicines available over-the-counter (OTC): Pain can be lessened with the use of nonsteroidal anti-inflammatory medicines (NSAIDs), such as naproxen and ibuprofen.
- Opioids: In cases of extreme pain for which over-the-counter remedies are ineffective, a physician may recommend opioid medication. If your doctor suggests opioid medication as a course of treatment, it’s important to talk to them about the possible risks and adverse effects of this medication.
- Muscle relaxants: These medications can help to relax painful areas even though they can have major side effects like feeling tired.
- Anticonvulsant medications: People with nerve pain may be prescribed anticonvulsant medications, like gabapentin, if their symptoms continue over time. But these medications can also have adverse effects, like lack of sleep.
Injections of Epidural Steroids:
- Targeted reduction of inflammation can be achieved by injecting corticosteroid medicine into the epidural space around inflamed spinal nerve roots.
- This allows patients to engage more fully in exercising and lessen their signaling of pain.
- Injections have temporary effects, but they can be repeated.
Physiotherapy Treatment:
With significant advantages for lessening nerve compression and regaining function, physiotherapy is a fundamental part of conservative treatment for a herniated disc.
The Physiotherapy Goals:
- Reduce sensitivity to pain and inflammation
- Strengthen the support of the core muscles and spine
- Expand your range of motion and flexibility.
- Improve movement patterns and biomechanics.
- Prevent the injury from happening again
Modalities for Reducing Inflammation and Pain:
TENS
- Apply electrodes to the skin across your back.
- Small electrical impulses that travel through nerve pathways
- Helps in preventing pain signals
Ultrasound
- Make use of sound waves directly at the ruptured disc.
- Deep heat generation helps in healing
Warm therapy
- Warm compresses, heated pads, and hot packs
- Improve circulation and ease tense muscles
- Minimize muscular spasms and pain signals
Exercises for Herniated Disc
Bird dog
- Take a tabletop position while standing on all fours to begin.
- Now, place your hands under your shoulders and your knees beneath your hips.
- Keep a neutral spine posture.
- Apply pressure to the space between your shoulder blades.
- Next, lift your left leg and right arm to the sky.
- Keep your shoulders and hips in a parallel position.
- Hold this position for a few seconds.
- Then let your leg go down.
- Then return to your neutral position.
- Then relax.
Cat cow
- Set your hands on the ground in the tabletop position to start.
- Make sure you have a straight back.
- To stay grounded, make use of both hands and feet.
- Take a deep breath, lift your head, and allow the air to fill your belly.
- Hold this position for a few seconds.
- Next, push your chin into your chest, release the breath, and bend your back toward the ceiling.
- Your lower back is extended in a gentle manner.
- Hold this position for a few seconds.
- Then let your leg go down.
- Then return to your neutral position.
- Then relax.
Knee to chest stretch
- To begin, lay flat on your back, bend your knees, and place your feet on the floor.
- Your hand should be behind your knee or slightly below your kneecap.
- Now raise your knee to chest.
- Hold this position for a few seconds.
- Then let your leg go down.
- Then return to your neutral position.
- Then relax.
Back-extensor-exercise
- Position yourself level on the ground and place your palms toward your shoulders.
- Your elbows should be straight back as you keep your sides.
- Step backwards, looking straight down at your mat while keeping your neck in neutral alignment.
- Plant your tailbone firmly in the ground.
- Take a deep breath to lift your chest off the floor.
- Roll your shoulders back and keep your low ribs on the ground.
- Keep your elbows by your sides at all times.
- Keep your neck in a neutral position.
- Maintain a fixed gaze on the ground.
- Hold this position for a few seconds.
- Exhale to get back on the ground.
- Then let your leg go down.
- Then return to your neutral position.
- Then relax.
Surgery:
The majority of the time, nonsurgical treatment can resolve Herniation Disc.
The following surgical procedures are used to treat herniation disc;
- Discectomy: an operation that involves the full or partial removal of a disk.
- Nucleoctomy: This involves using a suction or laser to remove the disk’s soft center, or nucleus.
- Laminectomy: To create space for nerves, a surgeon may remove a portion of the vertebrae.
- Spinal fusion: This is a surgical technique where two or more vertebrae become joined together.
- Disk replacement: Artificial implants are used to replace herniated disks during this procedure.
Risk factors:
- Jobs
Back issues are more common in people who work physically demanding jobs. The risk of a herniated disk can also be raised by repetitive putting on weights pulling, pushing, bending sideways, and twisting.
- Body weight
The lower back disks are under additional strain when a person is overweight.
- Smoking
Smoking is thought to lower the amount of oxygen that disks get, speeding the process of their breakdown.
- Regularly operating a vehicle
The combination of prolonged sitting and the vibrations of an engine in a car may strain the spine.
- Abnormal posture
Seated with a round back or slouching, for example, chronically maintaining poor posture can put too much strain on the spinal discs and raise the risk of herniation.
- Age
Herniated discs are more common as people age, highest in frequency between the ages of 30 and 50. With aging comes an increased risk of disc degeneration and weakening of the outer layer (annulus fibrosus).
Prevention:
Take the following steps to help avoid a herniated disk;
- Make use of proper ergonomics
Make sure the areas where you spend a lot of time, such as your place of work, are ergonomically designed. Use lumbar-supporting chairs, keep your computer monitor at eye level, maintain good posture when sitting, and take frequent breaks to stretch and move around.
- Quit your smoking
Smoking reduces the spinal discs’ blood flow and oxygen supply, which increases the discs’ risk to damage. Giving up smoking can help your discs last longer and lower your risk of developing herniated discs.
- Stay away of excessive strain and repetitive movements
Watch out for repetitive motions or activities that overstretch your spine. Take regular breaks and use proper body mechanics to reduce the risk of injury if your job or hobbies involve heavy lifting or repetitive movements.
- Keep your weight within healthy standards
Being overweight increases the pressure on the disks and spine, increasing the risk of herniation.
- Exercise
Exercise on a regular basis to support your spine and strengthen your core muscles. Exercises that work the muscles in your back, pelvis, and abdomen should be your main focus. Your spine’s discs can be stabilized and protected by strengthening your core.
- Maintain proper posture
Develop good posture habits in your body for standing, walking, and sitting. Avoid slouching or hunching forward as this can put strain on the discs in your spine. Hold your spine in a neutral position, your chest up, and your back straight.
You must remember that while following these recommendations may lessen the chance of developing a disc herniation, complete prevention is not possible. If you experience severe or persistent back pain, it’s important to consult a physician for a proper diagnosis and the right course of treatment.
When should I visit a physician?
At first, herniated disk pain can be managed at home.
However, you must see your doctor if;
- Pain makes daily activities difficult, such as going to work.
- The symptoms worsen.
- You start to lose control over your bowels or bladder.
- Some of you experience tingling, numbness, or weakness in your hands, feet, legs, or arms.
- You have trouble standing or walking.
Summary:
Differently referred to as a slipped or ruptured disc, a herniated disc is a condition where the tough outer layer of an intervertebral spinal disc ruptures, causing the soft inner core to press against the spinal cord or nerve roots. The cervical and lumbar spines are most frequently affected by this due to stress factors and increased mobility.
Herniation symptoms include localized pain, burning sensations, or numbness that relate to the affected nerve distribution and radiate outward from the injury site. Weakness in the muscles may also appear. Magnetic resonance imaging (MRI), which offers detailed imaging of the bulging disc and nerve compressions to it, is the most reliable method for diagnosis.
For the majority of patients, the very first course of treatment consists of non-surgical options that combine anti-inflammatory medication, physiotherapy exercises, ergonomic adjustments, and lifestyle changes. If the compressions are more severe and causing neurological issues or severe pain, surgery, such as a discectomy, may be necessary to remove the herniated portion.
Sometimes it is impossible to prevent herniation disk . Genetics, advanced age, and frequent driving are some factors that raise the risk of a herniation. However, to reduce the risk, doctors suggest quitting smoking, managing weight, and using safer lifting methods. However, advise managing weight, giving up smoking, and utilizing safer lifting techniques to lower the risk.
FAQ:
How can a herniated disc heal the quickest?
Usually, a herniated disc will cause pain that goes away in a few days and goes away entirely in four to six weeks. Your recovery will be helped by limiting your activities, using ice or heat therapy, and taking over-the-counter medications.
How long should you rest after having a herniated disc?
Usually, herniated disk pain resolves on its own. You can take the following actions to reduce pain while your disk heals: Rest for one to three days if the pain is very bad, but stay off of the bed for as long as possible to avoid becoming stiff. Use an over-the-counter a pain reliever like acetaminophen or ibuprofen.
Can my normal life resume following a herniated disc?
Spinal injections, pain medication, and rest are all important stages in the healing process. After six weeks, the majority of people feel much better. After that, they can resume their regular activities. If the symptoms don’t go away, surgery might be required.
Does having a herniated disc mean you should still be active?
Heavy lifting, sudden pressure on the back, or engaging in repetitively demanding activities can all cause a herniated disk. Exercise should be avoided by those who have a herniated disk while they heal. If an exercise seems to be aggravating an existing pain, it is best to avoid it altogether.
Can a herniated disc heal itself?
Herniated disc pain typically resolves on its own over a few weeks or months and does not result in long-term harm to the spine or nerves. Though they can occur anywhere in the spine, the lumbar and cervical spines in the lower back and neck are the most common locations for herniated discs.
Where do herniation disc happen?
The areas of the spine that experience the most movement and stress are the cervical spine (neck) and lumbar spine (lower back), where herniated discs are most common. Over 90% of lumbar herniations occur in the L4-L5 and L5-S1 spinal levels.
What can lead to a herniation disc?
A fall or accident, repeated lifting with poor form, or general wear and tear that gradually weakens the disc’s outer are common causes. Genes also have an impact, in addition to lifestyle choices like smoking.
How can a herniated disc be identified?
A doctor will usually start by assessing the patient’s symptoms and doing a physical examination to find out how well the nerves are functioning. Imaging such as an MRI can locate the herniated disc and confirm the diagnosis if person is suspicious of a herniation.
How can herniated discs be prevented?
Exercises that strengthen the core, controlling weight, quitting smoking, maintaining an active lifestyle, and using good form when lifting or bending are the main components of prevention. To keep the spinal discs flexible and capable of receiving shock, regular movement and exercise are necessary.
References:
- C. C. M., Professional (n.d.). Slipped, Ruptured, or Bulging Disk: Herniated Disk. Cleveland Medical Center. The diagnosis and tests for herniated disks are available at https://my.clevelandclinic.org/health/diseases/12768
- July 29, 2022: Fletcher, J. What are the primary pain relievers for a herniated disk? Which pain reliever is most effective for a herniated disc? Medicinal News Today (online)
- “Mayo Clinic, October 24, 2023,” “Herniated disk: The signs and Reasons,” Herniated disk symptoms, causes, and treatments: https://www.mayoclinic.org/diseases-conditions/herniated-disk/syc-20354095
- The signs, causes, treatments, and prevention of herniated discs. (No date). https://www.aans.org/Patients/Conditions-and-Treatments-of-Neurosurgery/Herniated-Disc
- R. N. M. Crna, March 15, 2023. Herniated or Slipped Disc. Healthline. symptoms can be found at https://www.healthline.com/health/herniated-disk.
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- Image 3, Online Store 45069614 (n.d.). 45569614.html is the product detail page at bestlpsm. shop.