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Impact of Knee Extension Brace on Quadriceps EMG During ASLR

StatusActive, Not Recruiting
PhaseNot specified
Started
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Record status
This record was last updated July 18, 2025 (before its estimated October 31, 2025 completion). Its status may not reflect the trial's current state.

Record History

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  1. Primary endpoint revisedv2 Show 4 more changesShow less
    • Trial status: Recruiting to Active, Not Recruiting
    • Secondary endpoints expanded, about 11 words
    • Site details revised
    • Study description expanded, about 5 words
  2. Study First Submitted
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
The main objective of this study is to evaluate quadriceps thigh muscle activity during active straight leg raise (ASLR) with a knee brace. An additional aim of the study is to evaluate quadriceps activity during straight leg raise with a knee brace in a variable command and manner of task performance. The study will be conducted on a group of healthy individuals aged 18 - 35 years. Height and weight were measured using a scale and centimetre tape. Then, according to the study protocol, specific measurements will be taken of the rectus femoris, medial vastus and lateral vastus muscles using surface EMG of a non-invasive nature. Study participants will undergo the following measurements: 1. Measurement of the MVIC (maximum voluntary isometric contraction) of the quadriceps of the thigh, in a sitting position with the lower leg flexed to 90 degrees and in knee extended (0 degrees). 2. Measurement of muscle activity during elevation of the straightened lower limb in a supine position without an orthosis. 3. Measurement of muscle activity during straight leg raise in supine position with knee brace (default and different commends).
Trial Details
NCT Number NCT06821477
Lead Sponsor Józef Piłsudski University of Physical Education
Conditions
(from sponsor)		 EMG, Exercise Response
Enrollment 20 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov