The neurophysiological effects of dry needling in patients with upper trapeizus myofascial trigger points

Not Applicable

Conditions: myofascial trigger point.
Diseases of the musculoskeletal system and connective tissue
M00-M99

Registration Number: IRCT2013031612828N1

Lead Sponsor: Tehran University of Medical Sciences

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Complete

Sex: All

Target Recruitment: 30

Inclusion Criteria

subjects with aged between 20 and 40 year old; upper trapezius active Myofascial trigger points (MTrPs).
Exclusion criteria: subjects less than 20 years and more than 40 years; subjects with a history of other shoulder or spinal disorders; neck and upper extremity surgery; acute disease; muscle diseases; neurological or systemic disorder (such as lupus erythematus, scleroderma); epilepsy; pregnancy; using sedative drugs; needle phobia; bleeding disorder; anticoagulant medication; previous experience with dry needling for myofascial pain; Skin lesion and infection or inflammatory oedema at MTrPs.

Exclusion Criteria

Not provided

Study & Design

Study Type: interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
euromuscular Junction Response (NMJR). Timepoint: before intervention and immediately after intervention. Method of measurement: Electrodignostic technique of repeatitive nerve stimulation (RNS) in trapezius muscle.;Sympathetic Skin Response (SSR). Timepoint: before intervention and immediately after intervention. Method of measurement: stimulus over the median nerve at the wrist and records on the palm of the hand.

Secondary Outcome Measures

Name	Time	Method
Pain Intensity. Timepoint: before intervention and immediately after intervention. Method of measurement: Pain intensity will be self rated by subjects on a 0-10 numerical rating scale with 0 representing no pain and 10 representing the worst imaginable pain.;Pressure Pain Threshold. Timepoint: before intervention and immediately after intervention. Method of measurement: ; by use a pressure algometer According to Kilogram per square centimeter.