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Impact of Different Electrical Frequencies Used in Percutaneous Neuromodulation on Muscle Strength and Pressure Pain Thresholds

RecruitingNAAges 18 Years - 65 YearsAllUniversidad Complutense de Madrid
NCT07269925 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

Percutaneous electrical nerve stimulation (PENS) involves delivering electrical currents through fine filiform needles inserted near tissues such as muscles, ligaments, or nerves. It has been explored for various chronic pain conditions affecting the cervical and lumbar spine, as well as the upper and lower limbs. Despite its growing clinical use, the overall quality of evidence supporting PENS for chronic musculoskeletal pain remains limited. Most studies have applied the technique directly over nerve structures, and while some reviews have shown greater pain reduction compared to transcutaneous electrical nerve stimulation (TENS), the superiority of PENS has not been conclusively demonstrated. Research specifically examining its application on nerve tissues, particularly in the upper limbs, remains scarce. Some preliminary and single-case studies have reported improvements in pain and

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📋 Eligibility rules (as published)
Inclusion Criteria: * Presence of at least one latent myofascial trigger point (MTrP) in the infraspinatus muscle, identified according to the most recent Delphi consensus criteria. * Ability to read, understand, and sign the written informed consent form. Exclusion Criteria: * Current pharmacological treatment that may affect muscle tone. * History of shoulder or spinal surgery. * Traumatic disorders such as whiplash-associated injuries, dislocations, or fractures. * Neuropathies, including radiculopathies or myelopathies. * Severe medical conditions (e.g., tumors, fractures, neurological or systemic diseases). * Clinically relevant asymmetries. * Generalized musculoskeletal conditions such as fibromyalgia.
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What it tests

  • Percutaneous electrical nerve stimulation: High frequency
  • Percutaneous electrical nerve stimulation: Low frequency
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Where

2 sites
ATMIS
Krakow, Poland
ATMIS
Nowy Targ, Poland
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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