Why Does Pressing One Spot Hurt Somewhere Else?

Why Does Pressing One Spot Hurt Somewhere Else?

Inside a muscle trigger point, blood circulation is blocked and lymph becomes stagnant, causing inflammatory waste to accumulate. These substances irritate surrounding nerves, spreading pain to distant areas. This is called ‘referred pain’.

What Is a Trigger Point?

When you feel along a muscle, you find particularly tight, knotted spots. When you press these, you get that “that’s the spot!” feeling, and pain may radiate to distant areas. These are trigger points (myofascial trigger points).

Trigger points are not simply tight muscles. They are areas where blood and lymph circulation is blocked.

Why Does Pain Spread to Distant Areas?

Let’s trace what happens inside a trigger point step by step.

1

Energy Crisis

When muscle knots, blood vessels and lymph vessels inside get compressed. Oxygen becomes scarce and waste accumulates. Cells cannot function properly — this is an ‘energy crisis’ state.

2

Lymph Stagnation

Normally, lymph should flush out inflammatory waste. But when knotted muscle blocks lymph vessels, drainage fails. Inflammatory waste pools in place.

3

Nerve Sensitization

Accumulated inflammatory waste irritates surrounding nerves. Nerves grow progressively more sensitive. Stimuli that would normally pass unnoticed now register as pain.

4

Referred Pain

Sensitized nerves send strong signals to the spinal cord. The spinal cord misinterprets these signals as coming from a different area. So pain is felt in distant locations rather than where you pressed.

Common Referred Pain Patterns

The direction pain spreads depends on the trigger point location and follows consistent patterns.

  • Back of neck tightness → Pain spreads to back of head, temples, above the eyes
  • Shoulder tightness → Pain spreads to arm, fingers, behind the ear
  • Lower back tightness → Pain spreads to buttocks, thighs, calves
  • Buttock tightness → Pain spreads down the back of the leg

This explains “my lower back doesn’t hurt but my leg feels numb” or “my neck isn’t sore but I have headaches.”

If These Match, Trigger Points May Be the Cause

  • Pressing a specific spot gives a strong “that’s it!” tenderness sensation
  • That pain spreads to another area like shoulder, arm, head, or leg
  • Massage temporarily helps but tightens back up quickly
  • The same area repeatedly knots and aches
  • The knotted area feels like a hard band when touched

Why Combining Injection and Manual Therapy Works

To resolve lymph stagnation inside a trigger point, both physically opening the blocked pathway and maintaining that opening are necessary.

  • Step 1 — Calm Down (Circulation HD): Ultrasound-guided injection delivers saline into the trigger point. Hydraulic pressure separates hardened tissue and flushes away accumulated inflammatory waste. Lymph vessels reopen.
  • Step 2 — Activate (Circulation PT): Manual therapy releases tension in surrounding fascia. Movement pattern correction prevents the trigger point from re-forming.
  • Step 3 — Integrate: Maintaining posture and movement in daily life prevents the same area from repeatedly knotting.

This is why combining injection with manual therapy produces longer-lasting results than either alone.

Frequently Asked Together

Does Pressing One Area Hurt Somewhere Else?

We precisely assess trigger point locations and lymph stagnation with ultrasound, and treat from the source of the spreading pain.

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References

  • Fernández-de-las-Peñas C, Dommerholt J. International consensus on diagnostic criteria and clinical considerations of myofascial trigger points: a Delphi study. Pain Med. 2018;19(1):142-150. PMID 28430989
  • Shah JP et al. Biochemicals associated with pain and inflammation are elevated in sites near to and remote from active myofascial trigger points. Arch Phys Med Rehabil. 2008;89(1):16-23. PMID 18164325
  • Srbely JZ et al. Stimulation of myofascial trigger points with ultrasound induces segmental antinociceptive effects: a randomized controlled study. Pain. 2008;139(2):260-266. PMID 18403096
  • Dommerholt J, Fernández-de-las-Peñas C. [Trigger point review]. Front Pain Res. 2024. DOI: 10.3389/fpain.2024.1224110