Muscle Stretching ExerciseNCT04344691
Relation Between Rectus Femoris Muscle Tension and Hamstring Strength and Activity in Healthy Sprinters
A study testing Rectus femoris stretching in people with Muscle Stretching Exercise, run by Universidad de Zaragoza at 1 site in Spain.
Trial summary
An open-label, single-group, control, pretest-posttest clinical trial is going to be conducted, with 16 healthy sprinters. Rectus femoris length and hamstring strength and electromyography is going to be assessed at baseline, after 10 minutes control and after an static rectus femoris stretching technique. Read more about this study
- Who is it for?
- Ages 18 to 30 yearsHealthy volunteers can take part
- Conditions the study is for
- Muscle Stretching Exercise
- What is being tested?
- Rectus femoris stretching
- Type of treatment
- Surgery or procedure
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 16 participants
- Where
- 1 siteSpain
- Study dates
- 15 Feb 2020to 30 Apr 2020
- 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 30 years
- All sexes
- Healthy volunteers accepted
- Adult
Who may be able to join
- The athletes recruited have to be under regular training and competition
- Free of any symptoms, at least 3 days training weekly for the last three years
- Give written consent
Who cannot join
- Subjects who have suffered lower limb or back injuries during those last three years
Trial locations and contacts
1 site in 1 country.
About this study
An open-label, single-group, control, pretest-posttest clinical trial is going to be conducted, with 16 healthy sprinters. Rectus femoris length and hamstring strength and electromyography is going to be assessed at baseline, after 10 minutes control and after an static rectus femoris stretching technique.
The main objective is to register if an increase in rectus femoris stretching Range of Motion, increases hamstring strength and activity due to their antagonic relationship and their relation with pelvic tilt.
- Conditions
- Muscle Stretching Exercise
- Being tested
- Rectus femoris stretching
- Keywords
- muscle length, strength, sprint
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Rectus femoris stretchingProcedure or surgery
Patient lying prone with the non-implicated leg outside the treatment table resting on the floor. Physical therapist flexes patients knee until tension is felt. In that position 5 seconds' isometric contraction is asked and physical therapist progresses in knee flexion range of motion until new tension is felt. After three contract-relax procedures physical therapist holds the range of motion for 30 seconds.
| Study group | Role | What they receive |
|---|---|---|
| Control | No intervention | 5 minutes waiting time |
| Stretching | Experimental | Rectus femoris static stretching during 90' (with three hold-relax progressions until final ROM) Receives: Procedure: Rectus femoris stretching |
What is being measured
The primary outcome is the main question the study is designed to answer.
Rectus femoris length
Knee flexion range of motion with inclinometer
Measured: Inmediate after intervention; up to 10 minutes
Biceps femoris strength
Dynamometry
Measured: Inmediate after intervention; up to 10 minutes
Gluteus maximus strength
Dynamometry
Measured: Inmediate after intervention; up to 10 minutes
Secondary outcomes (3)
Rectus femoris tensomyography
tensomyography
Measured: Inmediate after intervention; up to 10 minutes
Pelvic anteversion
Photometry of lateral view
Measured: Inmediate after intervention; up to 10 minutes
Sprint muscle activity
Electromyography
Measured: Inmediate after intervention; up to 10 minutes
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted14 Apr 2020
- Study start15 Feb 2020
- Primary completion25 Feb 2020
- Study completion30 Apr 2020 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Muscle Stretching ExerciseStudies 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
- Prevention
- Allocation
- Non-randomised
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 16 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Universidad de Zaragoza
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Pablo Fanlo, Universidad de Zaragoza
- Investigators
- Alazne Ruiz de Escudero Zapico, PhD, Principal investigator, Universidad Pública de Navarra
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04344691
- Sponsor's protocol ID
- 2020-001
- Status last verified
- Apr 2020
- First submitted
- 7 Apr 2020
- Last updated
- 16 Apr 2020
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Yes: All individual participant data that underlie results in a publication
Study at a glance
From the registry record, last updated by the sponsor on 16 Apr 2020. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Relation Between Rectus Femoris Muscle Tension and Hamstring Strength and Activity in Healthy Sprinters
- ClinicalTrials.gov ID
- NCT04344691
- Acronym / sponsor ID
- 2020-001
- Conditions
- Muscle Stretching Exercise
- Keywords
- muscle length, strength, sprint
- Study type
- Interventional
- Recruitment status
- Unknown status
- Enrolment
- 16 participants (estimated)
- Lead sponsor
- Universidad de ZaragozaUniversity, hospital or other
- Study start
- 15 Feb 2020 (actual)
- Primary completion
- 25 Feb 2020 (actual)
- Study completion
- 30 Apr 2020 (estimated)
- First posted
- 14 Apr 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.
An open-label, single-group, control, pretest-posttest clinical trial is going to be conducted, with 16 healthy sprinters. Rectus femoris length and hamstring strength and electromyography is going to be assessed at baseline, after 10 minutes control and after an static rectus femoris stretching technique.
The main objective is to register if an increase in rectus femoris stretching Range of Motion, increases hamstring strength and activity due to their antagonic relationship and their relation with pelvic tilt.
Study design
- Primary purpose
- Prevention
- Allocation
- Non-randomised
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Control | No intervention | –5 minutes waiting time |
| Stretching | Experimental | Procedure: Rectus femoris stretchingRectus femoris static stretching during 90' (with three hold-relax progressions until final ROM) |
Who may qualify
- Ages
- 18 to 30 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult
Key inclusion criteria (3 listed)
- The athletes recruited have to be under regular training and competition
- Free of any symptoms, at least 3 days training weekly for the last three years
- Give written consent
Key exclusion criteria (1 listed)
- Subjects who have suffered lower limb or back injuries during those last three years
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 |
|---|---|---|
| Rectus femoris stretchingPatient lying prone with the non-implicated leg outside the treatment table resting on the floor. Physical therapist flexes patients knee until tension is felt. In that position 5 seconds' isometric contraction is asked and physical therapist progresses in knee flexion range of motion until new tension is felt. After three contract-relax procedures physical therapist holds the range of motion for 30 seconds. | Procedure or surgery | Stretching |
Primary outcome
Rectus femoris length
Time frame: Inmediate after intervention; up to 10 minutes
Knee flexion range of motion with inclinometer
Biceps femoris strength
Time frame: Inmediate after intervention; up to 10 minutes
Dynamometry
Gluteus maximus strength
Time frame: Inmediate after intervention; up to 10 minutes
Dynamometry
3 secondary outcomes
Rectus femoris tensomyography
Time frame: Inmediate after intervention; up to 10 minutes
Pelvic anteversion
Time frame: Inmediate after intervention; up to 10 minutes
Sprint muscle activity
Time frame: Inmediate after intervention; up to 10 minutes
Results and safety
Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 16 Apr 2020.
- Individual participant dataSharing planned: Yes. All individual participant data that underlie results in a publication
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Mandibular Stretching and 4-4-8 Breathing Exercises on Autonomic Nervous System Activity
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Symmetrical Scapula-pelvis Proprioceptive Neuromuscular Facilitation and Superficial Back Line in Chronic Neck Pain With Hamstring Tightness
Chronic Neck Pain, Hamstring Muscle Tightness
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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.
Alazne Ruiz de Escudero Zapico, PhD principal investigator
Universidad Pública de Navarra
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Rectus femoris stretching in people with Muscle Stretching Exercise, run by Universidad de Zaragoza at 1 site in Spain.
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 3 inclusion and 1 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 16 Apr 2020. 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 Spain. 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?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Rectus femoris length (time frame: Inmediate after intervention; up to 10 minutes). The study lists 3 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 16 Apr 2020.