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

10-minute easy exercises to relieve back pain

Most of us lead sedentary lifestyles these days which have led us to experience severe problems with our spine. Irrespective of your age, a majority of people today suffer from back pains as a result of sitting for long periods. The most effective way to counter back pain is to strengthen your spine to make it capable of dealing with these aches in a better manner.

These 3 exercises will help you counter back pain quickly.

1. Leg lifts - a lot of us have weak abdominal muscles as compared to other regions and this leads to an imbalance in the muscle strength of different groups. Leg lifts help restore that balance. You have to lie on your back and choose a firm and rigid surface. Start by lifting your legs slowly and avoid any bending. Keep lifting them to bring them at an angle of 90 degrees with your upper body and then return to the starting position. Around 15-20 repetitions of this exercise on a daily basis are bound to give you much relief from recurring back pain.

2. Cycling - this exercise is perfect for building coordination among all the abdominal muscles of your body. Set your body in a sit-up position with your back on the floor and knees bent. Next, move your legs in a pedalling position, as you would do in case of riding an actual bicycle. Continue the movement for about 20 seconds in each direction.

3. Plank positions - in a plank position, you are required to hold your body in a particular position for a specified time period. For example, you can perform a plank position by holding your body in a position that it would acquire during a push-up. Do not rest on your palms and instead bend them at your elbow, so that your weight now rests on the forearms. Breathe deeply and hold the position for a minimum of 30 seconds.


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10-Minute Easy Exercises To Relieve Back Pain

Lower back pain can be one of the most physically debilitating things that can affect you and limit your mobility. Even if the pain isn t that acute, it could still signal something deteriorating in your lower back. While oral medications, topical creams or sprays can help in reducing pain, there are other effective remedies you can try on your own. These will be handy when you have no medications at hand. One of these is the hot and cold therapy.

Heat therapy for lower back pain

Heat works well with lower back pain as it can dilate blood vessels and improve circulation within the tissue. This will help in circulation and also result in lowering the pain. Heat therapy will also loosen up other muscles in the area and help soothe sore areas which have been taking the burden along with the lower back muscles. Some of the techniques that can be applied are:

1. All day heat wraps: These are specially manufactured belts or wraps which wrap around your abdomen and keep tightness and pressure on your lower back as well as supplying heat.

2. Electric heating pads: These are mechanized heating pads which generate heat with electricity. You can place them under you back and then either sit or sleep with it positioned behind you. However, ensure that you don t keep these for too long as they could burn your skin.

3. Hot Compress with towels or hot water bags: Use a clean towel and heat it over a conductive surface and apply it on your lower back. You can also use hot water bags for the same purpose.

Cold therapy for lower back pain

Cold therapy uses the principle of constriction of blood vessels as well as slowing circulation. This will help numb the area and thus help relieve the pain. Some of the ways these can be administered are mentioned below.

1. Ice towel: In this method, soak a towel in ice cold water, wring it to dry it and then apply on your lower back. This will numb the pain without transferring the sting of the cold or damaging your skin.

2. Ice packs: Put about half a kg of ice in a plastic Ziploc bag and pour water over the ice to just about cover it. Push out the air out of the bag and then lock it. Use this ice pack with a towel to ensure that you back doesn't get wet.

3. Ice gel packs: These are ready made packs, which can be bought from medical stores and kept frozen to be used whenever you need it in order to relieve lower back pain.

Treating Lower Back Pain Using Hot and Cold Therapy

Pain related sleep disruption has affected a large number of people around the globe. Statistics has it that, in India, about 25% of the population suffers from pain-related sleep deprivation. Studies call it  the vicious cycle of pain and sleep  as pain affects your ability to sleep and lack of sleep makes the pain even worse.

Back pain and arthritis are examples of some common pain-related medical disorders. People with these types of chronic pains have reported persistent sleeplessness or have had immense trouble falling asleep.

The following are the primary sleep disorders associated with chronic pain:

Insomnia: It is a medical condition that is characterized by an inability to fall asleep no matter how physically exhausted you are. Insomnia can be acute (lasting for one night to a week) or chronic (that lasts for more than 3 weeks).
Hypersomnia: It is a condition wherein you tend to sleep excessively; in this condition, you will have trouble being awake throughout the day or can fall asleep at any point of time.
Sleep Apnoea: This is a sleep disorder wherein breathing pauses and resumes repeatedly. Risk factors include obesity, age and gender; it is more commonly observed in men. This condition can be chronic with symptoms such as snoring loudly or feeling very tired even after one has had a night s sleep.
Restless leg syndrome: It is a sleep disorder wherein you continuously move your legs while sleeping. However, this condition can also cause you to move your legs even if you aren t sleeping.
Some of the causes of sleep disorders due to chronic pain are:

Pain
Worry and anxiety
Sweating at night
Depression and other mental disorders
Treatment

A pain and sleep disorder should be simultaneous as both the components of it, pain and sleep, are interrelated. Some of the ways people with chronic pain can still have a good night s sleep are:

Limiting caffeine intake
Abstaining from alcohol and smoking, as these disrupt the sleep cycles, thus aggravating the existing pain.
Practicing meditation and other relaxation techniques
Pain killers or sleeping pills can be administered, but only with the doctor s advice.
Hot water fomentation over painful area during night, for better sleep.

Back Pain and Bad Sleep

Most of us suffer from lower back pain at some point in our lives; be it from a sedentary lifestyle, spending hours at the office desk or from strenuous physical exercises. In most cases, a little bit of rest does the trick. However, if the lower back pain persists for 3-6 weeks, physiotherapy is recommended.

How does physiotherapy help?

The main purpose behind physiotherapy is reducing lower back pain and increasing muscle and bone function, so that such instances are avoided in the future. Physiotherapy is the first line of defence against lower back pain. More drastic measures such as surgery are undertaken once physiotherapy fails to do is job.

Physiotherapy is often recommended when the back pain is caused due to lifestyle factors, a minor injury like a fall or other moderate factors. For more severe back injuries, doctors recommend surgery straight away when there is no scope of performing physiotherapy.

Low-intensity back pain can be cured using a combination of heat packs, ultrasound wave therapy and Iontophoresis (using a localized current source to introduce medical ionic compounds to the body).

A physical therapy program for back pain usually has two components:

Passive physical therapy to help reduce the patient's pain to a more manageable level

Active exercises

Passive Physical Therapy - Modalities

The physical therapist may focus on decreasing pain with passive physical therapy (modalities). These therapies are considered passive because they are done to the patient. Examples include:

Heat/ice packs

TENS units

Iontophoresis

Ultrasound

Active Physical Therapy - Back Pain Exercises

In addition to passive therapies, active physical therapy (exercise) is also necessary to rehabilitate the spine. Here are some of the common exercises for back pain:

Back Stretch: Put your hands underneath your head while lying back. Bend your knees but put your feet on the ground. Roll your legs to one side and hold them there for 10 seconds. Repeat three times for each side.

Deep Lunge: For this, you need to kneel on one knee with the other foot pointed towards the front. Lift the back knee up and hold it there for five seconds and then bring it down. Repeat this exercise three times for each side.

One Leg Stand: This is the simplest of exercises. Hold on to a wall for support while standing and face towards it. Then slowly hold one leg and bend it behind you. Hold in the same position for five seconds before bringing it down. Repeat the process three times for each leg in five second gaps.

Physiotherapy for Back Pain

Pain causes a lot of discomfort in the body no matter whether the pain is in the back, legs or in the head. Almost all people experience lower-back pain at some point in their lives, which can be extremely painful and can cause considerable annoyance. The first medical specialty that comes to mind for relief of lower-back pain is Orthopedics. The other two specialists that play a vital role in treating lower-back pain are the neurosurgeons and the physiatrists.

Pain in the Back
It is very difficult for the body to source the pain when it is deep and this pain could be due to infection, disease or injuries in the back, stomach and heart. It is even possible that the pain radiates to different places in the body. Often back pain is accompanied by body changes like redness, fever, neurological problems, heat, and changes in body functions and for that diagnosis of the back pain may be very severe. Patients suffering from lower-back pain and with symptoms that comprise of weakness in the foot or other symptoms of a neurologic insufficiency must definitely see a neurosurgeon.

Back pain that occurs due to reversible problems is known to vanish in a few hours or in a day. However, if it continues longer and is accompanied by body changes, then there are chances that the condition can become worse. Visiting a doctor becomes a must for back pain if any of such characteristics are witnessed. It is always better to get evaluated by a physician.

When to Consult a Doctor Immediately

    Back pain that is followed by a shock like a car accident.
    The pain in the back worsens and is constant
    Back pain continues for more than 4-6 weeks
    The pain does not improve even after taking typical remedies such as taking pain relievers or after resting.
    Severe pain in the back in the night and that is alleviated by rest
    The back pain is accompanied by abdominal pain
    Numbness in the upper thighs, buttocks, groin or in the genital area
    Weakness or tingling sensation in the arm or legs

Role of a Neurosurgeon
The neurosurgeon provides non-surgical as well surgical care depending upon the nature of the illness or the injury, and he does not just operate. The neurosurgeons are experts and offer treatment to patients suffering from any injury or disease in the spine, brain or peripheral nerves that deal with arms, hands, feet and legs. But there are many other neurosurgeons that confine their practice to treating back pain.

Lower Back Pain - 8 Signs When You Must Visit Your Doctor

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