Muscle StrengthNCT06151860
Acute Effect of Static Stretching and Pilates Stretching on the Muscle Strength
A study testing Static stretching and Pilates stretching in people with Muscle Strength and Muscle Strength Dynamometer, run by Universidade Estadual do Norte do Parana at 1 site in Brazil.
Trial summary
Introduction: Studies have shown that static stretching performed immediately before strength exercises impairs performance. However, unlike static stretching, dynamic stretching performed immediately before muscular strength exercises does not seem to result in worse performance, and in some cases may even provide… Read more about this study
- Who is it for?
- Ages 18 to 25 yearsHealthy volunteers can take part
- Conditions the study is for
- Muscle Strength, Muscle Strength Dynamometer
- What is being tested?
- Static stretching and Pilates stretching
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 102 participants
- Where
- 1 siteBrazil
- Study dates
- 5 Apr 2022to 25 Jun 2022
- 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 25 years
- All sexes
- Healthy volunteers accepted
- Adult
Who may be able to join
- to practice systematic physical exercises at least three times a week over the last six months;
- healthy young adults, aged between 18 and 25 years;
- agree to participate in the study by signing the Free and Informed Consent Form.
Who cannot join
- musculoskeletal injuries in the lower limbs;
- pregnancy.
Trial locations and contacts
1 site in 1 country.
Brazil1 site
Universidade Estadual do Norte do Paraná
Jacarezinho, Paraná, 86400-000
About this study
Official title: Acute Effect of Static Stretching and Pilates Stretching on the Concentric Muscle Strength of the Knee Extensors and Flexors
Introduction: Studies have shown that static stretching performed immediately before strength exercises impairs performance. However, unlike static stretching, dynamic stretching performed immediately before muscular strength exercises does not seem to result in worse performance, and in some cases may even provide greater strength performance. Still, the literature is controversial and inconclusive to date.
Objective: To verify the acute effect of static stretching versus dynamic stretching on the muscle strength of young university students.
Methods: The sample will consist of 102 physically active young university students, of both sexes, aged between 18 and 25 years old, subdivided into three groups: Group 1 - static stretching; Group 2 - dynamic stretching; and Group 3 - control. Everyone will undergo assessment of the isokinetic peak torque of the knee extensor and flexor muscles at 60º/s and 180º/s in the dominant lower limb. Next, the experimental groups (Groups 1 and 2) will perform static or dynamic stretching exercises for the quadriceps and hamstring muscles, while the control group will not perform any activity. Finally, everyone will undergo muscle strength assessment again according to the same procedures used initially. Analysis of covariance (ANCOVA) will be used to compare groups, with data from the initial assessment as adjustment covariates.
- Conditions
- Muscle Strength, Muscle Strength Dynamometer
- Being tested
- Static stretching, Pilates stretching
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Static stretchingOther
Stretching exercises performed by maintaining the point of muscular discomfort without changing position for a certain period of time.
Pilates stretchingOther
Stretching exercises performed dynamically, following the six basic principles of Pilates: concentration, control, center, precision, breathing and fluidity.
| Study group | Role | What they receive |
|---|---|---|
| Static stretching | Experimental | A equipment (Ladder Barrel), used in Pilates sessions, will help with the movement. To stretch the knee flexor muscles, the participant, standing, will place the dominant lower limb on the equipment and keep the other on the ground, remaining with both knees extended. The trunk will be flexed forward within the maximum range of movement achieved by the participant, until discomfort occurs in the posterior region of the thigh, but not pain. To stretch the knee extensor muscles, the participant, standing, will position the back of the foot of the dominant lower limb on the equipment and keep the other limb with the foot flat on the ground. The glute of the dominant lower limb will meet the heel of the same limb, until there is discomfort, but not pain. In both stretches, the position will be maintained for 30 seconds, followed by an equal rest time. Three series of stretching will be performed for the knee flexor muscles and then another three series for the extensor muscles. Receives: Other: Static stretching |
| Pilates stretching | Experimental | The protocol will be the same as the Static stretching Group, with the exception of maintaining the static position during the exercise. To do this, when stretching the knee flexor muscles, the trunk will perform continuous flexion movements until the point of muscular discomfort, followed by the extension movement, until an upright posture, continuously. On the other hand, when stretching the knee extensor muscles, the gluteal muscle of the dominant lower limb will meet the heel of the same limb, until there is discomfort, followed by the movement away, continuously. Receives: Other: Pilates stretching |
| Control | No intervention | Not described |
What is being measured
The primary outcome is the main question the study is designed to answer.
Muscle strength
Concentric muscle strength of the knee extensors and flexors
Measured: Acute (immediate) effect: pre-intervention and post-intervention (10 minutes after pre-intervention)
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted30 Nov 2023
- Study start5 Apr 2022
- Primary completion25 Jun 2022
- Study completion25 Jun 2022
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Muscle StrengthStudies 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
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind
- Who is masked
- Outcomes assessor
- Enrolment
- 102 participants (actual)
Sponsor and investigators
- Lead sponsor
- Universidade Estadual do Norte do Parana
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Raphael Goncalves de Oliveira, Universidade Estadual do Norte do Parana
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT06151860
- Sponsor's protocol ID
- 0001_UENP
- Status last verified
- Nov 2023
- First submitted
- 17 Nov 2023
- Last updated
- 30 Nov 2023
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Study at a glance
From the registry record, last updated by the sponsor on 30 Nov 2023. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Acute Effect of Static Stretching and Pilates Stretching on the Concentric Muscle Strength of the Knee Extensors and Flexors
- ClinicalTrials.gov ID
- NCT06151860
- Acronym / sponsor ID
- 0001_UENP
- Conditions
- Muscle Strength, Muscle Strength Dynamometer
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 102 participants (actual)
- Lead sponsor
- Universidade Estadual do Norte do ParanaUniversity, hospital or other
- Study start
- 5 Apr 2022 (actual)
- Primary completion
- 25 Jun 2022 (actual)
- Study completion
- 25 Jun 2022 (actual)
- First posted
- 30 Nov 2023 (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.
Introduction: Studies have shown that static stretching performed immediately before strength exercises impairs performance. However, unlike static stretching, dynamic stretching performed immediately before muscular strength exercises does not seem to result in worse performance, and in some cases may even provide greater strength performance. Still, the literature is controversial and inconclusive to date.
Objective: To verify the acute effect of static stretching versus dynamic stretching on the muscle strength of young university students.
Methods: The sample will consist of 102 physically active young university students, of both sexes, aged between 18 and 25 years old, subdivided into three groups: Group 1 - static stretching; Group 2 - dynamic stretching; and Group 3 - control. Everyone will undergo assessment of the isokinetic peak torque of the knee extensor and flexor muscles at 60º/s and 180º/s in the dominant lower limb. Next, the experimental groups (Groups 1 and 2) will perform static or dynamic stretching exercises for the quadriceps and hamstring muscles, while the control group will not perform any activity. Finally, everyone will undergo muscle strength assessment again according to the same procedures used initially. Analysis of covariance (ANCOVA) will be used to compare groups, with data from the initial assessment as adjustment covariates.
Study design
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind (outcomes assessor)
- Number of arms
- 3
| Arm | Type | Receives |
|---|---|---|
| Static stretching | Experimental | Other: Static stretchingA equipment (Ladder Barrel), used in Pilates sessions, will help with the movement. To stretch the knee flexor muscles, the participant, standing, will place the dominant lower limb on the equipment and keep the other on the ground, remaining with both knees extended. The trunk will be flexed forward within the maximum range of movement achieved by the participant, until discomfort occurs in the posterior region of the thigh, but not pain. To stretch the knee extensor muscles, the participant, standing, will position the back of the foot of the dominant lower limb on the equipment and keep the other limb with the foot flat on the ground. The glute of the dominant lower limb will meet the heel of the same limb, until there is discomfort, but not pain. In both stretches, the position will be maintained for 30 seconds, followed by an equal rest time. Three series of stretching will be performed for the knee flexor muscles and then another three series for the extensor muscles. |
| Pilates stretching | Experimental | Other: Pilates stretchingThe protocol will be the same as the Static stretching Group, with the exception of maintaining the static position during the exercise. To do this, when stretching the knee flexor muscles, the trunk will perform continuous flexion movements until the point of muscular discomfort, followed by the extension movement, until an upright posture, continuously. On the other hand, when stretching the knee extensor muscles, the gluteal muscle of the dominant lower limb will meet the heel of the same limb, until there is discomfort, followed by the movement away, continuously. |
| Control | No intervention | – |
Who may qualify
- Ages
- 18 to 25 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult
Key inclusion criteria (3 listed)
- to practice systematic physical exercises at least three times a week over the last six months;
- healthy young adults, aged between 18 and 25 years;
- agree to participate in the study by signing the Free and Informed Consent Form.
Key exclusion criteria (2 listed)
- musculoskeletal injuries in the lower limbs;
- pregnancy.
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 |
|---|---|---|
| Static stretchingStretching exercises performed by maintaining the point of muscular discomfort without changing position for a certain period of time. | Other | Static stretching |
| Pilates stretchingStretching exercises performed dynamically, following the six basic principles of Pilates: concentration, control, center, precision, breathing and fluidity. | Other | Pilates stretching |
Primary outcome
Muscle strength
Time frame: Acute (immediate) effect: pre-intervention and post-intervention (10 minutes after pre-intervention)
Concentric muscle strength of the knee extensors and flexors
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 30 Nov 2023.
- Individual participant dataSharing planned: No
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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.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Static stretching and Pilates stretching in people with Muscle Strength and Muscle Strength Dynamometer, run by Universidade Estadual do Norte do Parana at 1 site in Brazil.
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 2 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: finished, as of the sponsor's last update on 30 Nov 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 Brazil. 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?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
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?
Muscle strength (time frame: Acute (immediate) effect: pre-intervention and post-intervention (10 minutes after pre-intervention)). 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 30 Nov 2023.