HealthyNCT06791733
The Effects of Inter-set Stretching on Muscle Performance
A study testing Passive static stretching in people with Healthy, run by University of Palermo at 2 sites in Italy.
Trial summary
Static passive muscle stretching, performed weekly, can increase muscle flexibility and range of motion. Typically, static stretching is performed either before starting specific exercises or at the end of a workout. Read more about this study
- Who is it for?
- Ages 18 years and older, men onlyHealthy volunteers can take part
- Conditions the study is for
- Healthy
- What is being tested?
- Passive static stretching
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 40 participants
- Where
- 2 sitesItaly
- Study dates
- 2 Nov 2024to 31 Jul 2025
- Phase
- Interventional
- Are there results?
- Not yet: the study is under way
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 years and older
- Men only
- Healthy volunteers accepted
- Adult, Older adult
Who may be able to join
- Healthy men aged ≥ 18 years.
- At least 6-month experience of resistance training.
- No previous musculoskeletal injuries in the 6 months prior to the study will be recruited
Who cannot join
- Participants who suffered an injury within the 6 months prior to the study and/or participants with pathological conditions affecting the musculoskeletal system will not be recruited.
- Female participants
- Participants with less than 18 years.
- Participants who match all inclusion criteria but who fail to attend one or more of the agonist/antagonist stretching sessions will be also excluded.
Trial locations and contacts
2 sites in 1 country. Contact the study team or a site near you to ask about taking part.
Italy2 sites, 1 recruiting
- Active, not recruiting
University of Palermo
Palermo, Italy, 90133
- Recruiting
University of Palermo
Palermo, Italy, 90133
Luca Di Bartolo, +393206435580, luca.dibartolo01@unipa.it
About this study
Static passive muscle stretching, performed weekly, can increase muscle flexibility and range of motion. Typically, static stretching is performed either before starting specific exercises or at the end of a workout. However, the effects of static passive stretching when performed during sets are still not entirely clear in terms of performance. This study aims to evaluate the effects of inter-set stretching on muscle performance
Read the detailed description
This project aims to evaluate the potential effects of stretching exercises on muscular performance. In particular, we aim to administer passive static stretching between sets of a bench press performance. Within this project we will carry out a crossover design project in which the participants will be tested for two conditions and one control session. The main protocol consists of performing five sets of bench press at 70% of 1-RM. The 1-RM will be calculated before the start of the data collection procedure, through a standardized and validated approach. The experimental sessions will comprise two interventions. The first intervention will be to administer the stretching protocol to the agonist muscles involved in the bench press performance (pectoralis muscles). While the second intervention will be to administer the stretching protocol to the antagonist muscles involved in the bench press performance (dorsal muscles). Within the control session the participants will not perform any stretching between sets. The three arms will be randomized. As outcome variables, the primary outcome will be the comparison of the total volume across each agonist, antagonist, and control session. The secondary outcomes to be assessed are strength, power, velocity, and volume.
- Conditions
- Healthy
- Being tested
- Passive static stretching
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Passive static stretchingOther
the intervention consists of passive static stretching of agonist or antagonist muscles between sets
| Study group | Role | What they receive |
|---|---|---|
| AN | Experimental | Participants will perform passive static stretching of antagonist muscles (dorsal muscles) between sets. Receives: Other: Passive static stretching |
| AG | Experimental | Participants will perform passive static stretching of agonist muscles (pectoralis muscles) between sets. Receives: Other: Passive static stretching |
| CG | No intervention | Participants will not perform any stretching between sets. |
What is being measured
The primary outcome is the main question the study is designed to answer.
Muscular performance
The total volume across each agonist, antagonist, and control session
Measured: From enrollment to the end of a treatment at 2 weeks
Secondary outcomes (3)
Strength
Strength, measured in Newtons, will be evaluated using the 'T-Force' device, which records and collects the main biomechanical parameters, including strength, during the concentric and eccentric phases of movement.
Measured: From enrollment to the end of a treatment at 2 weeks
Power
Power, measured in Watts, will be evaluated using the 'T-Force' device, which records and collects the main biomechanical parameters, including power, during the concentric and eccentric phases of movement.
Measured: From enrollment to the end of a treatment at 2 weeks
Velocity
Velocity, measured in meters per second, will be evaluated using the 'T-Force' device, which records and collects the main biomechanical parameters, including velocity, during the concentric and eccentric phases of movement.
Measured: From enrollment to the end of a treatment at 2 weeks
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted24 Jan 2025
- Study start2 Nov 2024
- Primary completion18 Dec 2024
- Study completion31 Jul 2025 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for HealthyStudies 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
- Other
- Allocation
- Randomised
- Intervention model
- Crossover
- Masking
- None (open label)
- Enrolment
- 40 participants (estimated)
Sponsor and investigators
- Lead sponsor
- University of Palermo
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Luca Di Bartolo, University of Palermo
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT06791733
- Sponsor's protocol ID
- 150/2023
- Other IDs
- University of Palermo
- Status last verified
- Jan 2025
- First submitted
- 16 Jan 2025
- Last updated
- 24 Jan 2025
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No: Data will be available upon reasonable request of the corresponding author
Study at a glance
From the registry record, last updated by the sponsor on 24 Jan 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- The Effects of Inter-set Stretching on Muscle Performance
- ClinicalTrials.gov ID
- NCT06791733
- Acronym / sponsor ID
- 150/2023
- Conditions
- Healthy
- Study type
- Interventional
- Recruitment status
- Recruiting
- Enrolment
- 40 participants (estimated)
- Lead sponsor
- University of PalermoUniversity, hospital or other
- Study start
- 2 Nov 2024 (actual)
- Primary completion
- 18 Dec 2024 (actual)
- Study completion
- 31 Jul 2025 (estimated)
- First posted
- 24 Jan 2025 (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.
Static passive muscle stretching, performed weekly, can increase muscle flexibility and range of motion. Typically, static stretching is performed either before starting specific exercises or at the end of a workout. However, the effects of static passive stretching when performed during sets are still not entirely clear in terms of performance. This study aims to evaluate the effects of inter-set stretching on muscle performance
Detailed description
This project aims to evaluate the potential effects of stretching exercises on muscular performance. In particular, we aim to administer passive static stretching between sets of a bench press performance. Within this project we will carry out a crossover design project in which the participants will be tested for two conditions and one control session. The main protocol consists of performing five sets of bench press at 70% of 1-RM. The 1-RM will be calculated before the start of the data collection procedure, through a standardized and validated approach. The experimental sessions will comprise two interventions. The first intervention will be to administer the stretching protocol to the agonist muscles involved in the bench press performance (pectoralis muscles). While the second intervention will be to administer the stretching protocol to the antagonist muscles involved in the bench press performance (dorsal muscles). Within the control session the participants will not perform any stretching between sets. The three arms will be randomized. As outcome variables, the primary outcome will be the comparison of the total volume across each agonist, antagonist, and control session. The secondary outcomes to be assessed are strength, power, velocity, and volume.
Study design
- Primary purpose
- Other
- Allocation
- Randomised
- Intervention model
- Crossover
- Masking
- None (open label)
- Number of arms
- 3
| Arm | Type | Receives |
|---|---|---|
| AN | Experimental | Other: Passive static stretchingParticipants will perform passive static stretching of antagonist muscles (dorsal muscles) between sets. |
| AG | Experimental | Other: Passive static stretchingParticipants will perform passive static stretching of agonist muscles (pectoralis muscles) between sets. |
| CG | No intervention | –Participants will not perform any stretching between sets. |
Who may qualify
- Ages
- 18 years and older
- Sex
- Male only
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (3 listed)
- Healthy men aged ≥ 18 years.
- At least 6-month experience of resistance training.
- No previous musculoskeletal injuries in the 6 months prior to the study will be recruited
Key exclusion criteria (4 listed)
- Participants who suffered an injury within the 6 months prior to the study and/or participants with pathological conditions affecting the musculoskeletal system will not be recruited.
- Female participants
- Participants with less than 18 years.
- Participants who match all inclusion criteria but who fail to attend one or more of the agonist/antagonist stretching sessions will be also excluded.
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 |
|---|---|---|
| Passive static stretchingthe intervention consists of passive static stretching of agonist or antagonist muscles between sets | Other | AG, AN |
Primary outcome
Muscular performance
Time frame: From enrollment to the end of a treatment at 2 weeks
The total volume across each agonist, antagonist, and control session
3 secondary outcomes
Strength
Time frame: From enrollment to the end of a treatment at 2 weeks
Power
Time frame: From enrollment to the end of a treatment at 2 weeks
Velocity
Time frame: From enrollment to the end of a treatment at 2 weeks
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 24 Jan 2025.
- Individual participant dataSharing planned: No. Data will be available upon reasonable request of the corresponding author
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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.
2 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Passive static stretching in people with Healthy, run by University of Palermo at 2 sites in Italy.
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 4 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: looking for participants now, as of the sponsor's last update on 24 Jan 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 2 sites in Italy. 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?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact Luca Di Bartolo (+393206435580, luca.dibartolo01@unipa.it), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Muscular performance (time frame: From enrollment to the end of a treatment at 2 weeks). 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 24 Jan 2025.