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Clinical trial No longer in our active list Observational Ages 18 to 35

Evaluating knee brace effects on thigh muscle activity during leg raises

Official title: Impact of Knee Extension Brace on Quadriceps Electromyography Activity During Active Straight Leg Rise

Run by Józef Piłsudski University of Physical Education · NCT06821477 · Data updated 2026-05-14

This study is no longer in our active list. It may have stopped recruiting or finished. The details below are as of 2026-05-14 and are kept for reference. Check ClinicalTrials.gov for its current status, or see similar studies below.

This study tests how wearing a knee brace affects the thigh muscle activity during leg raises in healthy young adults.

Quick facts

Study typeObservational
Ages18 Years to 35 Years
SexAll
Enrollment20 (estimated)
SponsorJózef Piłsudski University of Physical Education
Academic / other
Locations1 site (Warsaw)
Trial IDNCT06821477 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are healthy individuals aged 18 to 35 with no history of knee or hip surgery.

Probably not a fit

Patients with a history of knee or hip surgery, ligament damage, or recent muscle injuries may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study aims to assess the activity of the quadriceps muscle during active straight leg raises (ASLR) with and without a knee brace in healthy individuals aged 18 to 35. Participants will undergo a series of non-invasive surface EMG measurements to evaluate muscle activity in different conditions. The study will measure maximum voluntary contraction (MVC) and muscle activity during leg raises in both braced and unbraced states. The goal is to understand how a knee brace influences muscle performance during specific exercises.

Why it matters

Potential benefit: If successful, this study could provide insights into optimizing rehabilitation protocols for knee injuries by understanding muscle dynamics with knee braces.

How similar studies have gone: While similar studies have explored muscle activity with braces, this specific approach focusing on EMG during ASLR is relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria 
Inclusion Criteria:

* age between 18-35 years
* no contraindications to exercise
* ability to perform the required commands without pain or discomfort
* full range of motion of the knee joint.

Exclusion Criteria:

* those with a history of knee and/or hip surgery
* damage to ligamentous structures of the knee joint in the past treated conservatively or meniscus treated conservatively.
* muscle and tendon injury of the knee joint area in the past 3 months.

Where it's running

  • Jozef Pilsudski University of Physical Education
    Warsaw, Poland     Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
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EMG 3Józef Piłsudski University of Physical Education 4
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.