Muscle ActivationNCT04312529
Analysis of Shoulder Muscle Activity During Isokinetic Evaluation of Rotators
A study testing Isokinetic test + EMG in people with Muscle Activation and Electromyography, run by University of Liege at 1 site in Belgium.
Trial summary
The objective of this study is to assess the impact of different positions of the glenohumeral joint on the maximum muscle contraction of different shoulder muscles. The muscles do not contract with the same intensity depending on the position of the arm in relation to the trunk. Read more about this study
- Who is it for?
- Ages 18 to 35 years, men onlyHealthy volunteers can take part
- Conditions the study is for
- Muscle Activation, Electromyography, Muscle Strength
- What is being tested?
- Isokinetic test + EMG
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 20 participants
- Where
- 1 siteBelgium
- Study dates
- 1 Nov 2020to May 2024
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 35 years
- Men only
- Healthy volunteers accepted
- Adult
Who may be able to join
- Male subjects aged 18-35.
- Playing a sport using the upper limb (handball, volleyball, swimming, tennis) at least 6h/week
Who cannot join
- Pain in the shoulder
- Shoulder pathologies such as gleno-humeral dislocation, tendinopathy, sub-acromial conflict, etc.
- History of shoulder surgery (prosthesis, stabilizing surgery, etc.)
Trial locations and contacts
1 site in 1 country.
Belgium1 site, 1 recruiting
- Recruiting
Université de Liège
Liège, 4000
Amandine Gofflot, +3243662193
About this study
The objective of this study is to assess the impact of different positions of the glenohumeral joint on the maximum muscle contraction of different shoulder muscles. The muscles do not contract with the same intensity depending on the position of the arm in relation to the trunk. With the determination of this optimal position to activate the shoulder muscles as much as possible, we will be able to strengthen the patients during their revalidation.
- Conditions
- Muscle Activation, Electromyography, Muscle Strength, Shoulder
- Being tested
- Isokinetic test + EMG
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Isokinetic test + EMGOther
Isokinetic test:The isokinetic device is used to evaluate the strength of a subject. The test will be performed in two positions. This will determine the best position to activate shoulder muscles EMG (electromyography):it's a device that measures the electrical activity of muscles. This will allow us to record the maximum activity of the shoulder muscles during force tests.
| Study group | Role | What they receive |
|---|---|---|
| Overhead athletes | Experimental | Not described Receives: Other: Isokinetic test + EMG |
What is being measured
The primary outcome is the main question the study is designed to answer.
strength test
The strength will be assess with a isokinetic device. It will allow to calculate the maximum force of the subject at the level of the rotators of the shoulder. This is a dorsal decubitus test. The subject's arm will be positioned during one session in 45° of abduction and the other session in 90° of shoulder abduction.
In this position, the subject will perform tests at different speeds (60°/s concentric, 240°/s concentric and 60°/s eccentric). This will calculate the maximum force.
Measured: Day 1.
Electrical activity of the muscles
The electromyography will allow to calculate the electrical activity of the muscles during the two isokinetics and thus to determine which active position the most the muscles of the shoulder. This measurement is achieved by the installation of surface electrodes
Measured: Day 1.
Secondary outcomes (1)
Weight
We will ask the weight of the subject to calculate his relative strength
Measured: Day 1
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted18 Mar 2020
- Study start1 Nov 2020
- Primary completion24 Dec 2020
- Study completionMay 2024 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Muscle ActivationStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Screening
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 20 participants (estimated)
Sponsor and investigators
- Lead sponsor
- University of Liege
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Gofflot Amandine, University of Liege
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04312529
- Sponsor's protocol ID
- 1996
- Status last verified
- May 2023
- First submitted
- 11 Mar 2020
- Last updated
- 9 May 2023
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Study at a glance
From the registry record, last updated by the sponsor on 9 May 2023. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Analysis of Shoulder Muscle Activity During Isokinetic Evaluation of Rotators
- ClinicalTrials.gov ID
- NCT04312529
- Acronym / sponsor ID
- 1996
- Conditions
- Muscle Activation, Electromyography, Muscle Strength, Shoulder
- Study type
- Interventional
- Recruitment status
- Unknown status
- Enrolment
- 20 participants (estimated)
- Lead sponsor
- University of LiegeUniversity, hospital or other
- Study start
- 1 Nov 2020 (actual)
- Primary completion
- 24 Dec 2020 (actual)
- Study completion
- May 2024 (estimated)
- First posted
- 18 Mar 2020 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The objective of this study is to assess the impact of different positions of the glenohumeral joint on the maximum muscle contraction of different shoulder muscles. The muscles do not contract with the same intensity depending on the position of the arm in relation to the trunk. With the determination of this optimal position to activate the shoulder muscles as much as possible, we will be able to strengthen the patients during their revalidation.
Study design
- Primary purpose
- Screening
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Overhead athletes | Experimental | Other: Isokinetic test + EMG |
Who may qualify
- Ages
- 18 to 35 years
- Sex
- Male only
- Healthy volunteers
- Accepted
- Age groups
- Adult
Key inclusion criteria (2 listed)
- Male subjects aged 18-35.
- Playing a sport using the upper limb (handball, volleyball, swimming, tennis) at least 6h/week
Key exclusion criteria (3 listed)
- Pain in the shoulder
- Shoulder pathologies such as gleno-humeral dislocation, tendinopathy, sub-acromial conflict, etc.
- History of shoulder surgery (prosthesis, stabilizing surgery, etc.)
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Isokinetic test + EMGIsokinetic test:The isokinetic device is used to evaluate the strength of a subject. The test will be performed in two positions. This will determine the best position to activate shoulder muscles EMG (electromyography):it's a device that measures the electrical activity of muscles. This will allow us to record the maximum activity of the shoulder muscles during force tests. | Other | Overhead athletes |
Primary outcome
strength test
Time frame: Day 1.
The strength will be assess with a isokinetic device. It will allow to calculate the maximum force of the subject at the level of the rotators of the shoulder. This is a dorsal decubitus test. The subject's arm will be positioned during one session in 45° of abduction and the other session in 90° of shoulder abduction. In this position, the subject will perform tests at different speeds (60°/s concentric, 240°/s concentric and 60°/s eccentric). This will calculate the maximum force.
Electrical activity of the muscles
Time frame: Day 1.
The electromyography will allow to calculate the electrical activity of the muscles during the two isokinetics and thus to determine which active position the most the muscles of the shoulder. This measurement is achieved by the installation of surface electrodes
1 secondary outcome
Weight
Time frame: Day 1
Results and safety
Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 9 May 2023.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Isokinetic test + EMG in people with Muscle Activation and Electromyography, run by University of Liege at 1 site in Belgium.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 2 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: status not confirmed, as of the sponsor's last update on 9 May 2023. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Belgium. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
Results are not available in the source record.
How can a doctor refer a patient or contact the research team?
Contact Amandine Gofflot (+3243662193, agofflot@uliege.be), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
strength test (time frame: Day 1.). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 9 May 2023.