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PAIN IS MULTIFACTORIAL: WHY PAIN IS NOT ALWAYS JUST AN INJURY

Many people believe pain happens only because something is injured or damaged. While this idea sounds logical, it is not always true. Modern science shows that pain is multifactorial, meaning it is influenced by many factors — not just tissue injury.

This understanding helps explain why pain can last longer than expected, why scans sometimes look normal, and why two people with the same condition can experience pain very differently.

Pain Is Not Always a Sign of Damage

Pain is often thought of as a warning signal that something in the body is broken. Muscles, joints, ligaments, and nerves do play a role in pain, especially after an injury or strain. However, pain is not a direct measurement of damage.

If pain were only about injury:

More damage would always mean more pain

Pain would disappear as soon as tissues heal

Everyone with the same diagnosis would feel the same pain

In reality, this rarely happens.

Many people have disc bulges, arthritis, or tendon changes on scans and feel no pain at all. Others continue to experience pain even after an injury has healed. This shows that pain is more complex than tissue damage alone.

The Role of the Nervous System in Pain

Pain is produced by the nervous system, not directly by tissues. The brain decides when to create pain based on how threatened it feels.

Sometimes, especially after injury, stress, or repeated strain, the nervous system becomes overprotective. This is called pain sensitization.

When this happens:

Pain can continue even when tissues are healed

Pain may increase without a new injury

Normal movements may feel painful or unsafe

Medical scans may appear normal

This does not mean the pain is imagined. The pain is real. It means the nervous system has become more sensitive and is amplifying pain signals to protect the body.

Factors That Can Increase Pain (Even Without Injury)

●   Pain is influenced by many physical and non-physical factors, including:

●   Stress and anxiety – keep the nervous system on high alert

●   Poor sleep – reduces the body’s ability to regulate pain

●   Fatigue – lowers pain tolerance

●   Emotional strain – can amplify pain signals

●   Fear of movement – increases muscle tension and sensitivity

●   Past injuries – can “train” the nervous system to react strongly

●   Beliefs about pain – fear of damage can worsen symptoms

This is why pain may feel worse during stressful periods or when sleep is poor, even without any new injury.

Why Scans Don’t Always Explain Pain

Medical scans like MRI or X-rays are useful tools, but they do not tell the full story. Many changes seen on scans are a normal part of aging and adaptation.

Relying only on imaging can sometimes:

Increase fear and worry

Make people feel “damaged”

Shift focus away from recovery

A better question to ask is:

“What factors are contributing to my pain right now?”

This approach leads to better outcomes and less frustration.

How Physiotherapy Helps Manage Pain:

Physiotherapy does not focus only on the painful area. It looks at the whole person, understanding that pain is influenced by movement, lifestyle, and the nervous system.

Physiotherapy for pain may include:

●   Movement and exercise to rebuild strength and confidence

●   Education to reduce fear and improve understanding of pain

●   Manual therapy when appropriate

●   Activity pacing to balance rest and movement

●   Breathing and relaxation strategies to calm the nervous system

●   The goal is not just pain relief, but helping the body and nervous system feel safe to move again.

Pain Is Real — And It Can Improve

Understanding that pain is multifactorial does not mean ignoring symptoms. It means addressing pain from all angles, not just chasing damage.

When physical, emotional, and lifestyle factors are identified and managed together, pain becomes far more manageable and less frightening.

Pain is real. But it is also adaptable. With the right approach, people can regain movement, confidence, and quality of life.

DR. ALKA BHAVANI. MPT (NEUROLOGY)

NDS. PNF. NDT. PRACTITIONER