Why does PAIN occur? Understand the Mechanism of Pain

Pain is an unpleasant and distressing physical sensation caused by disease or injury, which induces hurt and anxiety in those suffering from it.
There are many different manifestations of pain, ranging from short term (acute pain) to long term (chronic pain). Other classifications include pain in the internal organs (visceral pain), injured tissue (inflammatory pain), nerves (neuropathic pain), etc.

The reason for the occurrence of pain depends on the cause and kind of pain being experienced. In most cases, pain acts as a warning sign that the body has been afflicted by a disorder of some sort, which may have arisen due to internal sickness or external wounding. Acute pains are generally cured on their own through rest or simple medication. Chronic pains, on the other hand, are more complicated in nature and the treatment requires more elaborate diagnosis.

The mechanism of pain

Pain is an extremely personal and subjective experience and affects each individual to varying degrees. The pain signals, which can arise in any part of the body, travel through the spinal cord to the brain along thousands of specialized nerves and nerve fibres. In the brain, it is processed in the centres associated with anxiety, emotions, memory, appetite, etc. Signals and pain inputs are then returned from the brain to the spinal cord, which may heighten or diminish pain.

In some cases, pain may also be induced by damage to the brain and spinal cord, which happens after a stroke.
A constant barrage of pain signals may cause the cells at the end of nerve fibres to become over-sensitized. This is known as 'wind-up' and is one of the most common causes of chronic pain that occurs even though the root of the problem has been identified and treated.

The causes and effects of pain differ from case to case depending on the signals received by the brain and its interpretation. It affects the individual's day to day activities and if persistent, can also have a harmful impact on mental health and psychosis. Pain is always handled, diagnosed and treated differently in all patients by drawing out the best possible solution to the problem.





Why does PAIN occur? Understand the Mechanism of Pain

The causes and symptoms of chronic lower back pain

Lower back pain is characterized by a feeling of pain around the lumbar region (curve of the back connecting the upper back and glutes- muscles in the buttock that are responsible for thigh movement) caused by muscle or ligament injury. The spinal area is most likely to be affected by lower pain as it may impair routine activities like walking and standing. Any lower back pain that lasts for more than ninety days can be considered as chronic.

Causes of lower back pain

There are plenty of causes for lower back pain. Anything that exposes the lumbar area of the spine to a level of stress beyond its capacity can cause lower back pain. These causes are-

1. Disorders of the discs

The spinal area in the lower back comprises of small bones called the vertebra, which are connected to each other by pieces of cartilage known as discs. These discs act as shock absorbers, and when exposed to excessive shock can cause the disc to bulge, resulting in herniated discs. Wear and tear of the discs can also occur.

2. Spinal stenosis

Spinal stenosis occurs when the area around the spine becomes narrow. It may affect the nerves surrounding the lower back, resulting in pain.

3. Wear and tear of the joints and ligaments

Normal wear and tear of the joints and ligaments cause difficulties in holding the spine in its proper position and this progresses with age. This may cause a vertebra to slide over another and affect the nerve endings, giving rise to pain.

Symptoms of lower back pain

The symptoms of lower back pain are usually a dull or excruciating pain in the lower back. It can also affect other parts of the body such as the hips and the legs. In case of severe pain, simple activities like walking, bending and sitting will be impaired.



The Causes and Symptoms of Chronic Lower Back Pain

Pain is unpleasant suffering caused by injury or illness. Back pain may be sudden/constant, dull, severe or not responding to short rest and medication. Constant pain in back in any region of spine for more than few days to weeks needs intervention.

Pain which is intense especially at night requires urgent visit to a specialist.

Sudden onset of pain in back with or without injury needs urgent attention.

Back pain with difficulty in walking, pain while getting up from position of comfort, pain during change of posture or pain after prolonged sitting (for work) can lead to serious permanent damage, if left untreated.

Pain which travels to one or both legs may be due to pressure on the nerve/s and if left untreated for long can lead to permanent weakness or damage.

Pain associated with numbness, tingling or weakness in legs, especially below the knees, commonly called Sciatica, needs to be investigated. Various spinal ailments can lead to weakness in one or two limbs or all four limbs. There may be associated or isolated numbness (loss of sensation to touch, pain or temperature) without back pain.

Numbness, tingling or weakness may be the only symptoms without any complaint or without history of back pain.

Problems related to bladder control which may be difficulty to control, hesitancy in passing or dribbling of urine. There may be associated constipation. Loss of bowel/bladder control is caused by pressure on spinal cord &/or nerves which may be due to injury, infection, disc prolapse or tumor.

Sudden swelling and redness in back usually happens after an injury or accident but sometimes are signs of underlying severe illness.

Loss of normal shape/curvatures of spine can present with or without pain. It can lead to forward, sideways or rarely backward bending.

Unintentional weight loss, loss of appetite, evening rise of fever or disturbed sleep with associated back pain/weakness/numbness needs visit to a specialist.

When Should You See Your Doctor in Back Pain?

Whether you're old or young, male or female, having a backache can be a real pain! A number of factors ranging from osteoarthritis to muscle strains can be attributed to back pains. No matter what the cause of a backache, a combination of core strengthening exercises, activity, and physical therapy can help lessen the pain.

A backache can be caused by something as simple as bending the wrong way. Hence, the first step towards dealing with a backache is to pay attention to daily movements. If you have to lift something heavy off the floor, bend your knees and let the weight of your load fall on your legs instead of it falling on your back. Here is more on how you can fight back pain with a bit of effort:

Light exercises
Simple, light exercises are the most effective ways of dealing with back pain. The key to exercising your back is moderation and knowing your limits.

Brisk walk and yoga
Regular brisk walks and yoga exercises that strengthen and stretch back muscles are effective ways to reduce and prevent back pain.

Right posture
Exercise can also help reduce excess weight that in turn helps reduce back aches. Slouching not only causes a hunch back but also aggravates back aches. Hence, maintain a right posture to take the pressure off nerves and lower back pain.

Proper posture while sleeping
A good night's sleep can also help soothe inflamed back joints and repair strained muscles. Pay attention to your mattress and ensure that your back is flat when you lie on it. Sleeping on your side can also help deal with the back pain. Consider resting your neck on a pillow, to keep your spine aligned while you sleep.

Hot & cold therapy
Experiment with hot and cold therapy before picking one of them to deal with your back pain. While applying ice packs on your back can help reduce inflammations, hot packs work better to reduce cramps and muscle spasms. Whether you use a hot pack or a cold pack, do not leave it on for more than 20 minutes.

Natural supplements
Natural supplements such as flaxseed oil, calcium, magnesium and vitamin c are helpful when dealing with back pains.

For short-term relief, you could also try over the counter pain relievers. However, do not let this become a long-term habit, as your body could get dependent on it. Other potential side effects could include stomach and liver problems. Hence, if your back ache does not subside on its own, it is best to consult a doctor before treating it yourself.

How to Deal with Back Pain

One of the most common complaints of men and women is that of a back ache with lower back aches being the most common. Apart from an improper posture, this may be caused by old age, lifting heavy weights or an injury to the back. A consistent back ache can affect your daily life and make performing regular tasks uncomfortable. Luckily, it can be managed quite well with simple ayurvedic remedies.
According to Ayurveda, backaches are triggered by an excess of Vata dosha. Thus, the Ayurvedic remedies for a back ache aim at reducing the Vata dosha. Ayurvedic remedies are natural and have negligible side effects. 

For this reason, they can be prescribed to both children and adults. Some such remedies are:

Cut down on spices: One of the main characteristics of the Vata dosha is dryness. This can be caused by pungent spices such as wasabi and green or red chillies. The internal dryness caused by these spices can lead to constipation which in turn can be one of the causes of low back aches. Hence, if you suffer from a chronic backache that may or may not be accompanied by constipation, cut back on the spices and try eating food that is slightly blander.
Eat food before it gets cold: Eating cold food or cold drinks can also increase the Vata dosha levels in our body. Coldness creates congestion and constricts the internal organs while warm food allows the digestive and stool carrying channels to stay open. This allows for the easy expulsion of waste and reduces toxins in the body. Hence, opt for warm drinks like tea or coffee instead of soft drinks and juices and try to eat your food while it is hot.
Padahastasana or the standing forward fold pose: This yoga asana is very effective when it comes to treating back pain as it allows the Vata dosha to flow easily through the body. In doing this it opens up the digestive channels that may have been causing constipation and back pain. It also relieves problems associated with sciatica. To practise this asana begin by standing upright with your feet beside each other. While inhaling, lift your arms over your head till they touch your ears. Bend forward from your hips while exhaling and try to keep the back and your legs straight. Touch the floor or wrap your hands around your calves. Bring your head as close to the knees as possible and hold for 5   10 seconds. Inhale and the slowly roll your body upright again.

Back Pain - Ayurvedic Remedies for Managing it!

Exercises to cure long hours of sitting
Most of us are used to sitting throughout the day, willingly or unwillingly due to work or otherwise. We spend more hours sitting, and most of our work is done in this position. The downsides of this are many, one of them being a stiff back which not only causes a lot of pain but also initiates many other health problems.
Train yourselves on these highly effective exercises which minimise the pain and keep your muscles active.

1. Back press: put towel on your back and press the towel with the back. Hold that position for 10 sec. Repeat 10 times. Do not hold your breath while applying pressure at the back.
2. Bridges: lie on the floor, bend your knees and secure your feet on the ground. Raise your hips upwards so that your body forms a straight line from your shoulders to your knees. Release and go back to previous position.
3. Knee to chest exercise: just lie down on an exercise mat, bend your one knee while lying and try to touch that knee to the stomach. Hold it for 10 seconds. Repeat this with the other leg. Alternate the legs each time.
4. Bilateral knee to chest: bend both the knees while lying on bed. With support of your hands try bringing both bent knees to touch the stomach. Hold that position for 10 seconds. Repeat 5 times.
5. Static abdominal exercise: lying on your back, try to contract your stomach without holding your breath. Hold it for 10 seconds. Repeat the exercise for 7 or 10 times.
6. Knee to opposite chest: lying on your back, bend your knees. Try bringing one knee to opposite side of the chest and hold that position for 7 sec. Do this for 7 times and repeat the same for the other leg too.
7: leg swings: these are easy and fun. Stand by the wall, hold on to a rod or something similar to keep balance. Now with the leg that is not towards the wall, swing. Swing your leg from front to back, left to right. Do not be too quick, do this at a mediocre pace. Repeat with the other leg.
8: static glutei: lying on the stomach, squeeze your buttock and hold it for 10 seconds. Repeat 10 times.

General precautions:
1. Avoid bending instantly after or during the exercises. Incase you have to bend, first bend your knee then bend your back to pick up anything from ground.
2. While getting up from bed first turn to one side while lying, sideways then get up from bed slowly.
3. Apply hot pack in back whenever there is pain.
4. Try to sleep in hard part of mattress not in soft mattress.



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