The Effect of Action Potential Simulation and Vibration in Reducing Neck and Shoulder Pain and Disability in Subjects with Trapezius and Levator Scapula Muscles Trigger Points

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

IRCT

Registry ID

IRCT201109221675N8

Enrollment

Registered

2011-11-22

Start date

2009-05-31

Completion date

Unknown

Last updated

2018-02-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Subjects with Trigger Points in Upper Trapezius and Levator Scapula Muscles. Other soft tissue disorders

Interventions

Intervention 1: Vibration Group: We used vibrator with moderate pressure and low frequency, 2500 cycle per minute and for 30 minutes per session. A 16 session's treatment program which lasted 4 weeks

Rehabilitation

Vibration Group: We used vibrator with moderate pressure and low frequency, 2500 cycle per minute and for 30 minutes per session. A 16 session's treatment program which lasted 4 weeks and 4 sessions p

Action Potential Simulation Group: We applied action potential simulation with intensity of 1mA, 150 Hz frequency, for 16 minutes per session. A 16 session's treatment program which lasted 4 weeks an

Eligibility

Sex/Gender

All

Age

18 Years to 25 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: Age between 18 and 25 years old; Patients diagnosed with trigger point in trapezius and levator scapula muscles; Patients who have been muscle pain without neurological sign as chief complaint; No history of respiratory diseases; Surgery, and neck & thoracic spine structural disorders. Exclusion criteria: Insufficient treatment; Using other therapeutic modalities during the study; Trauma; and doing surgery during the study.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
Neck pain. Timepoint: Before intervention, 4 weeks after intervention. Method of measurement: Visuale Analogue Scale.;Neck disability. Timepoint: Before intervention, 4 weeks after intervention. Method of measurement: Neck Disability Index.;Shoulder pain and disability. Timepoint: Before intervention, 4 weeks after intervention. Method of measurement: Shoulder Pain and Disability Index.;Cervical range of motion. Timepoint: Before intervention, 4 weeks after intervention. Method of measurement: Specific neck goniometer.	—

Measure

Time frame

Neck pain. Timepoint: Before intervention, 4 weeks after intervention. Method of measurement: Visuale Analogue Scale.;Neck disability. Timepoint: Before intervention, 4 weeks after intervention. Method of measurement: Neck Disability Index.;Shoulder pain and disability. Timepoint: Before intervention, 4 weeks after intervention. Method of measurement: Shoulder Pain and Disability Index.;Cervical range of motion. Timepoint: Before intervention, 4 weeks after intervention. Method of measurement: Specific neck goniometer.

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Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr.Asghar Akbari

Zahedan University of Medical Sciences

akbari_as@yahoo.com; akbaria@zaums.ac.ir+98 54 1325 8445

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026