Thickness changes in myofascial pain syndrome

Effects of positional release and passive shortening techniques on pain and muscle thickness in people with latent trigger points

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20151007024412N5

Enrollment

Registered

2022-11-27

Start date

2022-12-01

Completion date

Unknown

Last updated

2023-02-07

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

Conditions

Myofascial pain syndrome. Disorder of muscle, unspecified

Interventions

Intervention 1: Intervention group: Manual Passive Muscle Shortening technique: The person sleeps on his back and a pillow is placed under his abdomen. The therapist stands on the involved side and br

Eligibility

Sex/Gender

Male

Age

18 Years to 35 Years

Inclusion criteria

Inclusion criteria: Minimum age 18 and maximum 35 The presence of a latent trigger point in the right or left upper trapezius muscle (if both sides are involved, the selection will be random) Having a minimum pain of 3 and a maximum of 7 on the visual scale of pain during the application of force 2.5 kg / cm2 by the algometer BMI between 20-25 Being a non-athlete

Exclusion criteria

Exclusion criteria: Having a history of radiculopathy or myelopathy of the neck with the diagnosis of a specialist Fibromyalgia syndrome diagnosed by a specialist doctor History of neck and shoulder surgery during the past year Trigger point treatment in the last month Existence of sensory disturbance in trapezoidal area Having a history of Whiplash injury Acute upper trapezius muscle injury in the last 6 days

Design outcomes

Primary

Measure	Time frame
Thickness of the upper trapezius muscle. Timepoint: Before the start of the intervention, immediately after the intervention, 2 days after the first session, 9 days after the first session. Method of measurement: sonography.;Pain. Timepoint: Before the start of the intervention, immediately after the intervention, 2 days after the first session, 9 days after the first session. Method of measurement: Visual Analogue Scale.;Pain pressure threshold. Timepoint: Before the start of the intervention, immediately after the intervention, 2 days after the first session, 9 days after the first session. Method of measurement: pressure algometry.	—

Measure

Time frame

Thickness of the upper trapezius muscle. Timepoint: Before the start of the intervention, immediately after the intervention, 2 days after the first session, 9 days after the first session. Method of measurement: sonography.;Pain. Timepoint: Before the start of the intervention, immediately after the intervention, 2 days after the first session, 9 days after the first session. Method of measurement: Visual Analogue Scale.;Pain pressure threshold. Timepoint: Before the start of the intervention, immediately after the intervention, 2 days after the first session, 9 days after the first session. Method of measurement: pressure algometry.

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Countries

Iran (Islamic Republic of)

Contacts

Public ContactSakineh Goljaryan

Tabriz University of Medical Sciences

goljaryan@tbzmed.ac.ir+98 41 3337 5359

Outcome results

None listed

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