Dr. Alex Jimenez, El Paso's Chiropractor
I hope you have enjoyed our blog posts on various health, nutritional and injury related topics. Please don't hesitate in calling us or myself if you have questions when the need to seek care arises. Call the office or myself. Office 915-850-0900 - Cell 915-540-8444 Great Regards. Dr. J

MechanoReceptive Pain: Peripheral And Central Mechanisms

Mechanoreceptive Pain: According to the CDC, “more than 50% of U.S. adults (125 million) had a musculoskeletal pain disorder in 2012.”

“More than 40% of adults with a musculoskeletal pain disorder used a complementary health approach for any reason in 2012. This was significantly higher than use among persons without a musculoskeletal pain disorder (24.1%). Use of complementary health approaches for any reason among persons with neck pain or problems was more than twice as high as use among persons without these problems.”

mechanoreceptive el paso tx.

Retrieved from: https://www.cdc.gov/nchs/data/nhsr/nhsr098.pdf


“Among adults with a musculoskeletal pain disorder, use of any complementary health approach was highest among those with neck pain or problems (50.6%), followed by persons with other musculoskeletal problems (46.2%).”

“Use of complementary health approaches for any reason among persons with neck pain or problems was more than twice as high as use among persons without these problems.”

mechanoreceptive el paso tx.

Retrieved from: https://www.cdc.gov/nchs/data/nhsr/nhsr098.pdf


  • Mechanoreceptors are sensory receptors that respond to mechanical pressure or distortion.
  • These include cutaneous receptors for touch, receptors that monitor muscle length and tension, auditory and vestibular receptors and others.

mechanoreceptive el paso tx.GATE CONTROL THEORY OF PAIN

  • Non-painful input closes the gates to painful input.
  • This prevents pain sensations from traveling to higher cortical levels
  • Small diameter afferents (pain) impede inhibition of pain
  • Large diameter afferents (vibration) tend to excite inhibition of pain.

mechanoreceptive el paso tx.

  • This theory asserts non-nociceptive fibers can interfere with signals from pain fibers, therefore, inhibiting pain.
  • Large-diameter Aβ fibers are nonnociceptive (do not transmit pain stimuli) and inhibit the effects of firing by Aδ and C fibers.




mechanoreceptive el paso tx.


mechanoreceptive el paso tx.


  • An excited afferent neuron stimulates excitatory interneurons that in turn stimulate the efferent motor neurons supplying the biceps, the muscle in the arm that flexes (bends) the elbow joint. Contraction of the biceps pulls the hand away from the hot stove.
  • The afferent neuron also stimulates inhibitory interneurons that in turn inhibit the efferent neurons supplying the triceps to prevent it from contracting. This type of neuronal connection involving stimulation of the nerve supply to one muscle and simultaneous inhibition of the nerves to its antagonistic muscle is known as reciprocal inhibition.
  • The afferent neuron still stimulates other interneurons that carry the signal up the spinal cord to the brain via an ascending pathway. Only when the impulse reaches the sensory area of the cortex is the person aware of the pain, its location and the type of stimulus. Moreover, when the impulse reaches the brain, the information can be stored as memory and the person can think about what happened.

mechanoreceptive el paso tx.


  • Activation of joint mechanoreceptors through chiropractic adjustments can modulate and “overshadow” the brains perception of smaller diameter fibers.
  • Repetition of activation of joint mechanoreceptors can create positive plasticity in afferent pathways.
  • Positive plasticity can shut down pain

mechanoreceptive el paso tx.

  • Vibratory stimulation at specific frequencies can alter pain perception
  • Repetition of activation of Merkel’s discs and Meissner’s corpuscles can create positive plasticity in afferent pathways.
  • Again, positive plasticity can shut down pain

mechanoreceptive el paso tx.VIBRATION

  • “This type of device applies sinusoidal vibrations and offers continuous selectable amplitude of 0-5.2mm depending on the foot position and a selectable frequency of 5-30Hz.”
  • “WBV training seems to be an effective, safe, and suitable intervention for seated working employees with chronic low-back pain.”

mechanoreceptive el paso tx.


  • “Homotopic vibro-tactile stimulation resulted in 40% heat pain reductions in all subject groups. Distraction did not seem to affect experimental pain ratings.”
  • “Vibro-tactile stimulation effectively recruited analgesic mechanisms not only in NC but also in patients with chronic musculoskeletal pain, including FM.”

mechanoreceptive el paso tx.LIGHT TOUCH

  • “In total, 44 healthy volunteers experienced heat pain and CT optimal (slow brushing) and CT sub-optimal (fast brushing or vibration) stimuli. Three different experimental paradigms were used: Concurrent application of heat pain and tactile (slow brushing or vibration) stimulation; Slow brushing, applied for variable duration and intervals, preceding heat pain; Slow versus fast brushing preceding heat pain.”

mechanoreceptive el paso tx.

  • In humans, the main brain areas receiving C- LTMR information belong to the somatosensory system and affect processing brain networks like the contralateral posterior insular cortex or the medial prefrontal cortex. The intensity of CT targeted touch is encoded in the primary and secondary somatosensory cortex (S1 contralateral, S2 bilateral), whereas the pleasantness is encoded in the anterior cingulate cortex. C-LTMRs also activate regions involved in reward processing (putamen and orbitofrontal cortex) and in processing of social stimuli (posterior superior temporal sulcus).

mechanoreceptive el paso tx.


mechanoreceptive el paso tx.


mechanoreceptive el paso tx.


mechanoreceptive el paso tx.


mechanoreceptive el paso tx.


mechanoreceptive el paso tx.


mechanoreceptive el paso tx.


mechanoreceptive el paso tx.


mechanoreceptive el paso tx.CASE STUDY

  • 47-year-old male suffered left CVA in October of 2017.
  • Has not moved the right side of his body since the accident.
  • Presented to our clinic because he wants to ”get back to it.”

mechanoreceptive el paso tx.PHYSICAL EXAMINATION HIGHLIGHTS

  • Dysarthria
  • Altered pain perception
  • Difficulty with simple math
  • Flaccid on RUE and RLE

mechanoreceptive el paso tx.PHYSICAL EXAMINATION HIGHLIGHTS

  • Patient had no movement until we began testing sensation and reflexes:

mechanoreceptive el paso tx.

ALLODYNIA: Refers to central pain sensitization ( increased response of neurons) following normally non-painful, often repetitive stimulation.

  • Allodynia can lead to the triggering of a pain response from stimuli, which does not normally provoke pain.
  • Temperature or physical stimuli can provoke allodynia, which may feel like a burning sensation and it often occurs after injury to a site.
  • Alldynia is different from Hyperalgesia, an extreme, exaggerated reaction to a stimulus, which is normally painful.


  • Vibration
  • Light Touch
  • Acupressure
  • Acoustic Frequencies
  • Adjustments!

mechanoreceptive el paso tx.AFTER TWO DAYS

mechanoreceptive el paso tx.

mechanoreceptive el paso tx.

Mechanoreceptive Pain & Receptor Based Therapy

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