Efficacy of strain counter strain technique on electromyographic amplitude in subjects with upper trapezius trigger points. Randomized clinical trials

Efficacy of strain counter strain technique on electromyographic amplitude, pain, and function in subjects with upper trapezius trigger points. Randomized clinical trials

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

PACTR

Registry ID

PACTR202009722252659

Enrollment

Registered

2020-09-15

Start date

2020-10-01

Completion date

Unknown

Last updated

2026-01-27

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

Conditions

Musculoskeletal Diseases

Interventions

strain counter strain technique

active range of motion and instruction

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1-Forty patients from both genders. 2-Their age between 19 and 38 years 3- patients is required to have active TrPs in the upper trapezius muscle unilaterally

Exclusion criteria

Exclusion criteria: 1-they have History of whiplash injury 2- History of cervical spine surgery 3-Cervical radiculopathy or myelopathy 4-Having undergone physical therapy within the past 3 months before the study 5-Non- rheumatologic diseases as multiple sclerosis, thyroid dysfunction and chronic infection and Rheumatologic condition

Design outcomes

Primary

Measure	Time frame
muscle amplitude will be assessed by electromyographe.	—

Secondary

Measure	Time frame
the pain will be assessed by visual analogue scale;neck function will be assessed by arabic neck disability index	—

Countries

Egypt

Contacts

Public Contactal shaymaa shaaban

lecturer at physical therapy cairo university

alshaymaa.shaaban@pt.cu.edu.eg01033771553

Outcome results

None listed

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