Muscle PowerAPTE-OANCT07522398
Acute Power Training Effects in Older Adults
A study testing Power Training at Different Fatigue Levels in people with Muscle Power and Functional Performance, run by Hasselt University at 1 site in Belgium.
Trial summary
The goal of this clinical trial is to learn how older adults respond to power training when the level of fatigue during exercise is different. Power training means performing fast movements with moderate loads to improve strength, power and mobility. Read more about this study
- Who is it for?
- Ages 65 to 85 yearsHealthy volunteers can take part
- Conditions the study is for
- Muscle Power, Functional Performance, Older Adults (65 Years and Older)
- What is being tested?
- Power Training at Different Fatigue Levels
- Type of treatment
- Lifestyle or therapy programme
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 42 participants
- Where
- 1 siteBelgium
- Study dates
- 20 Apr 2026to Jan 2027
- 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 65 to 85 years
- All sexes
- Healthy volunteers accepted
- Older adult
Who may be able to join
- Participants must:
- Be 65 to 85 years old.
- Be able to live independently and perform everyday activities without help.
- Not have regularly done resistance or strength training in the past year.
- Be able to understand study instructions and communicate in the study language.
- Have a recent statement from their treating physician confirming that their heart and blood vessels are healthy enough to safely take part in this study.
Who cannot join
- Participants will not be eligible if they have any of the following:
- Unstable heart disease, neurological disease, acute infection, or fever.
- Use of non-steroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen, in the 5 days before the study.
- Use of whey protein, casein, or amino acid supplements in the month before the study.
- Acute or chronic injuries to the legs or lower body muscles.
- Any injury or condition that prevents safe leg extension exercises.
Show all 9Show fewer
- Recent lower-limb joint replacement (less than 6 months ago).
- Dependence on walking aids.
- Current participation in another interventional trial.
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
Belgium1 site, 1 recruiting
- Recruiting
REVAL - Faculty of Rehabilitation Sciences
Diepenbeek, Flanders, 3590
Faculteit Revalidatiewetenschappen, +32(0)11 26 93 11, reval.rws@uhasselt.be
About this study
Official title: Acute Neuromuscular and Physiological Responses to Different Velocity Loss Thresholds During Power Training in Older Adults
The goal of this clinical trial is to learn how older adults respond to power training when the level of fatigue during exercise is different. Power training means performing fast movements with moderate loads to improve strength, power and mobility.
The main questions the study aims to answer are:
Read more
- How does the level of fatigue during power training acutely affect strength, movement, and muscle function?
- How does it affect recovery, muscle soreness, and how hard the exercise feels?
Researchers will compare three power-training sessions with different fatigue levels to see which approach may be safest and most effective for older adults.
Participants will be healthy older adults aged 65 to 85 years. Each participant will complete three supervised exercise sessions on a leg press machine. The sessions will take place about one week apart.
During the study, participants will:
- Perform power training on a pneumatic leg press machine
- Complete strength and mobility tests before and after exercise
- Provide small blood samples to measure body responses to exercise
- Rate how hard the exercise feels
- Report muscle soreness for up to two days after exercise
The results may help researchers design safer and more effective power-training programs to improve strength, mobility, and recovery in older adults.
- Conditions
- Muscle Power, Functional Performance, Older Adults (65 Years and Older), Neuromuscular Function, Physiological Responses, Healthy Older Adults
- Being tested
- Power Training at Different Fatigue Levels
- Keywords
- Power Training, Older Adults, Aging, Muscle Power, Velocity Loss, Resistance Training, Neuromuscular Function, Functional Performance, Physiological Responses, Exercise Fatigue
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Power Training at Different Fatigue LevelsBehavioural
Also called Power Training at Different Velocity Loss Thresholds, Power Training at Different Velocity-Based Training Doses
Participants perform supervised power-training exercise on a pneumatic leg press. Each participant completes three exercise sessions, each separated by approximately one week. In each session, participants perform 4 sets of leg press exercise under different fatigue conditions:
- Exercise sets are terminated when movement velocity decreases by 10%. B) Exercise sets are terminated when movement velocity decreases by 30%. C) Exercise sets are terminated at 10% velocity loss, with total work matched to the 30% condition.
| Study group | Role | What they receive |
|---|---|---|
| Low-Fatigue Power Training (10% velocity loss) | Experimental | Participants perform a single supervised session of power training on a pneumatic leg press, consisting of 4 sets. During the exercise, movement speed is continuously monitored. In this arm, the exercise set will be stopped when movement speed decreases by 10% compared with the fastest repetition, which corresponds to a low level of fatigue (small amount of repetitions). Receives: Behavioral: Power Training at Different Fatigue Levels |
| Moderate Fatigue Power Training (30% velocity loss) | Experimental | Participants perform a single supervised session of power training on a pneumatic leg press, consisting of 4 sets. During the exercise, movement speed is continuously monitored. In this arm, the exercise set will be stopped when movement speed decreases by 30% compared with the fastest repetition, which corresponds to a moderate level of fatigue (more repetitions, performed closer to muscle failure). Receives: Behavioral: Power Training at Different Fatigue Levels |
| Cluster-Set Power Training (10% Velocity Loss) | Experimental | Participants perform a single supervised session of power training on a pneumatic leg press. In this arm, the exercise is organized into 4 cluster sets. A cluster set consists of small groups of repetitions separated by short rest periods within the set. Participants will perform clusters of 3-4 repetitions with 20 seconds of rest between clusters.
During the exercise, movement speed is continuously monitored. Each cluster will be performed within the range of 10% velocity loss compared with the fastest repetition, which corresponds to a low level of fatigue. Clusters will continue until the total number of repetitions matches the training volume (amount of total repetitions) reached in the 30% velocity loss condition.
This design allows participants to complete a similar total training volume as in the moderate fatigue condition, while maintaining lower fatigue, enabling researchers to separate the effects of exercise volume from the effects of fatigue. Receives: Behavioral: Power Training at Different Fatigue Levels |
What is being measured
The primary outcome is the main question the study is designed to answer.
Maximum Voluntary Contraction (MVC)
Maximum voluntary contraction (MVC) will be assessed to determine the maximum force-generating capacity of the leg extensors using an isokinetic dynamometer (Humac Norm). Simultaneously, muscle activity will be recorded using surface electromyography (EMG; Delsys EMG system).
Primary outcome metric: Peak torque (Nm) obtained from three maximal isometric trials recorded on the dynamometer, combined with EMG amplitude (µV) to quantify muscle activation. Interpretation: Higher torque values indicate greater knee extensor strength. EMG amplitude reflects the level of muscle activation during maximal voluntary effort.
Interpretation: Higher force values indicate greater leg muscle strength. EMG values indicate the level of muscle activation during the maximal effort.
Measured: Measurements will be taken before exercise (baseline), 5 minutes after each training session, and 24 hours after each session.
Secondary outcomes (15)
Rate of Torque Development (RTD)
Rate of torque development (RTD) will be assessed to determine how quickly participants can generate torque with their leg extensors. This will be measured using an isokinetic dynamometer (Humac Norm), which records joint torque, alongside surface electromyography (EMG; Delsys EMG system), which measures muscle activation. This parameter provides insight into neuromuscular responses to different levels of power training-induced fatigue.
Metric: Peak rate of torque development (Nm/s) calculated from three maximal trials, together with EMG amplitude (µV). RTD will be calculated as the slope of the torque-time curve over a specified time interval (e.g., 0-100ms, 100-200 ms).
Measured: Measurements will be taken before exercise (baseline), 5 minutes after each training session, and 24 hours after each session.
Muscle Activity
Muscle activity will be assessed by recording the electrical signals of the leg muscles during the leg press exercise using surface electromyography (sEMG; Delsys EMG system). This method enables quantification of muscle activation and fatigue-related changes in neuromuscular function.
Surface electrodes will be placed on three key thigh muscles: the vastus lateralis, vastus medialis, and biceps femoris.
Metric: EMG amplitude (µV), derived from the recorded electrical signals, representing the level of muscle activation during exercise.
Measured: Measurements will be taken before exercise (baseline), during exercise session (mean value across the full session), 5 minutes post exercise, and 24 hours post exercise (3 exercise sessions, 1 week apart)
Strength Training Data: Mean Movement Velocity
Mean concentric movement velocity (meter per second (m/s)) recorded during each leg press (exercise) repetition using the Keiser A400 Leg Press.
Measured: During each exercise session (mean values across the full session) (3 Sessions ; ~1 week apart)
Strength Training Data: Power
Mean mechanical power (Watts (W)) produced during each leg press repetition recorded by the Keiser A400 Leg Press.
Measured: During each exercise session (mean value across the full session) (3 Sessions ; ~1 week apart)
Strength Training Data: Total Number of Repetitions
Total number of repetitions (count) completed during each exercise session on the leg press.
Measured: During each exercise session (mean value across the full session) (3 Sessions ; ~1 week apart)
Muscle Oxygenation
Muscle oxygenation will be assessed to determine oxygen availability in the thigh muscle (vastus lateralis) during and after exercise using near-infrared spectroscopy (NIRS). In addition, a vascular occlusion test will be performed to evaluate muscle oxygen extraction and the recovery kinetics of oxygenation following transient blood flow restriction.
Metric: Muscle oxygen saturation (%; e.g., SmO₂), as well as reoxygenation rate and amplitude following occlusion.
Measured: Baseline (pre-exercise), continuously during each exercise session, 5 minutes post-exercise, and 24 hours post-exercise (for each of the 3 sessions, 1 week apart)
Blood Lactate
Small blood sample will be taken to measure lactate, in millimoles per liter analysed through standard laboratory tests, including Enzyme-Linked Immunosorbent Assay (ELISA).
Measured: Measurements will be taken at baseline and immediately post exercise session (3 sessions, 1 week apart)
Blood Gas
A Small blood sample will be taken to measure blood gas levels (blood oxygen/carbon dioxide levels) using standard laboratory tests, including Enzyme-Linked Immunosorbent Assay (ELISA).
Measured: Measurements will be taken at baseline and immediately post exercise session (3 sessions, 1 week apart).
Creatine Kinase (CK)
Small blood samples will be taken to measure creatine kinase (CK), an enzyme that increases in the blood when muscles are damaged or stressed.
Metric: CK concentration in units per liter (U/L).
Measured: Measurements will be taken at Baseline and 24 hours after each exercise session.
Functional Performance: Five-Repetition Sit-to-Stand Test
Five-Repetition Sit-to-Stand (5xSTS) test: Participants stand up from a chair repeatedly. An inertial measurement unit (DynaPort MoveTest, McRoberts, The Hague, NL) measures speed (meters per second (m/s)), movement duration (s) , and power (W).
Measured: Measurements will be taken at Baseline, immediate post exercise and 24 hours after each exercise session.
Functional Performance: Counter Movement Jump
Countermovement Jump (CMJ): Participants jump vertically from a standing position. Jump height (cm), force (Nm), and power (W) are measured using KINVENT force plates.
Measured: Measurements will be taken at Baseline, immediate post exercise and 24 hours after each exercise session.
Functional Performance: Stair Ascent test
Stair Ascent Test (SA): Participants climb a set of stairs while wearing an inertial measurement unit (DynaPort MoveTest, McRoberts, The Hague, NL), which measures speed (m/s), movement duration (s), distance (cm), and power (W).
Measured: Measurements will be taken at Baseline, immediate post exercise and 24 hours after each exercise session.
Functional Performance: 30-s Sit-to-Stand Test
30-Second Sit-to-Stand (30sSTS) Tests: Participants stand up from a chair repeatedly. An inertial measurement unit (DynaPort MoveTest, McRoberts, The Hague, NL) measures speed (m/s), movement duration (s), and power (W).
Measured: Measurements will be taken at Baseline, immediate post exercise and 24 hours after each exercise session.
Perceived Exertion
Perceived exertion will be assessed using the OMNI Resistance Exercise Scale (OMNI-RES). Participants will rate their level of effort after each exercise set during the leg press sessions. The scale ranges from 1 (no exertion at all) to 10 (maximum effort), with higher scores indicating greater perceived exertion.
Measured: Assessed after each exercise set during each exercise session (mean value across the full session) (3 Sessions ; ~1 week apart)
Delayed Onset Muscle Soreness (DOMS)
Delayed onset of muscle soreness (DOMS) will be assessed using a Visual Analog Scale (VAS). Participants will rate perceived soreness in the leg muscles on a scale from 0 (no soreness) to 10 (worst possible soreness), with higher scores indicating greater muscle soreness.
Measured: Ratings will be collected at baseline, 24 hours after exercise, and 48 hours after exercise using a remote survey.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted13 Apr 2026
- Study start20 Apr 2026
- Primary completionJan 2027 (estimated)
- Study completionJan 2027 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Muscle PowerStudies 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
- Crossover
- Model description
- Participants will complete three exercise sessions different by fatigue and volume levels, each separated by about one week. The order of the first two sessions will be randomized. These sessions involve two different exercise conditions with different levels of fatigue. The third session will always be performed last. This session is designed to match the total amount of exercise volume performed in one of the earlier sessions for each participant individually. Because this matching depends on the amount of exercise volume completed previously, the final session must occur after the first two sessions. This study design allows researchers to compare how different levels of fatigue affect participants' responses to exercise, while also examining the effects of exercise volume independently of fatigue.
- Masking
- None (open label)
- Enrolment
- 42 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Hasselt University
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Evelien Van Roie, Hasselt University
- Investigators
- Evelien Van Roie, PhD, Principal investigator, Hasselt University, Faculty of Rehabilitation SciencesBruno Tassignon, PhD, Principal investigator, Hasselt University, Faculty of Rehabilitation Sciences
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07522398
- Sponsor's protocol ID
- B1152025000035
- Other IDs
- BOF25OWB22
- Acronym
- APTE-OA
- Status last verified
- Apr 2026
- First submitted
- 25 Mar 2026
- Last updated
- 17 Sep 2026
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Yes: Pseudonymazed participant data, including study measurements and outcomes, along with relevant supporting documents (e.g., study protocol, statistical analysis plan). Data will be shared via a Data Transfer Agreement (DTA). Access may be provided through a secure repository such as FAIRVault.
Study at a glance
From the registry record, last updated by the sponsor on 17 Sep 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Acute Neuromuscular and Physiological Responses to Different Velocity Loss Thresholds During Power Training in Older Adults
- ClinicalTrials.gov ID
- NCT07522398
- Acronym / sponsor ID
- APTE-OA / B1152025000035
- Conditions
- Muscle Power, Functional Performance, Older Adults (65 Years and Older), Neuromuscular Function, Physiological Responses, Healthy Older Adults
- Keywords
- Power Training, Older Adults, Aging, Muscle Power, Velocity Loss, Resistance Training, Neuromuscular Function, Functional Performance
- Study type
- Interventional
- Recruitment status
- Recruiting
- Enrolment
- 42 participants (estimated)
- Lead sponsor
- Hasselt UniversityUniversity, hospital or other
- Study start
- 20 Apr 2026 (actual)
- Primary completion
- Jan 2027 (estimated)
- Study completion
- Jan 2027 (estimated)
- First posted
- 13 Apr 2026 (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 goal of this clinical trial is to learn how older adults respond to power training when the level of fatigue during exercise is different. Power training means performing fast movements with moderate loads to improve strength, power and mobility.
The main questions the study aims to answer are:
- How does the level of fatigue during power training acutely affect strength, movement, and muscle function?
- How does it affect recovery, muscle soreness, and how hard the exercise feels?
Researchers will compare three power-training sessions with different fatigue levels to see which approach may be safest and most effective for older adults.
Participants will be healthy older adults aged 65 to 85 years. Each participant will complete three supervised exercise sessions on a leg press machine. The sessions will take place about one week apart.
During the study, participants will:
- Perform power training on a pneumatic leg press machine
- Complete strength and mobility tests before and after exercise
- Provide small blood samples to measure body responses to exercise
- Rate how hard the exercise feels
- Report muscle soreness for up to two days after exercise
The results may help researchers design safer and more effective power-training programs to improve strength, mobility, and recovery in older adults.
Study design
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Crossover
- Masking
- None (open label)
- Number of arms
- 3
- Model description
- Participants will complete three exercise sessions different by fatigue and volume levels, each separated by about one week. The order of the first two sessions will be randomized. These sessions involve two different exercise conditions with different levels of fatigue. The third session will always be performed last. This session is designed to match the total amount of exercise volume performed in one of the earlier sessions for each participant individually. Because this matching depends on the amount of exercise volume completed previously, the final session must occur after the first two sessions. This study design allows researchers to compare how different levels of fatigue affect participants' responses to exercise, while also examining the effects of exercise volume independently of fatigue.
| Arm | Type | Receives |
|---|---|---|
| Low-Fatigue Power Training (10% velocity loss) | Experimental | Behavioral: Power Training at Different Fatigue LevelsParticipants perform a single supervised session of power training on a pneumatic leg press, consisting of 4 sets. During the exercise, movement speed is continuously monitored. In this arm, the exercise set will be stopped when movement speed decreases by 10% compared with the fastest repetition, which corresponds to a low level of fatigue (small amount of repetitions). |
| Moderate Fatigue Power Training (30% velocity loss) | Experimental | Behavioral: Power Training at Different Fatigue LevelsParticipants perform a single supervised session of power training on a pneumatic leg press, consisting of 4 sets. During the exercise, movement speed is continuously monitored. In this arm, the exercise set will be stopped when movement speed decreases by 30% compared with the fastest repetition, which corresponds to a moderate level of fatigue (more repetitions, performed closer to muscle failure). |
| Cluster-Set Power Training (10% Velocity Loss) | Experimental | Behavioral: Power Training at Different Fatigue LevelsParticipants perform a single supervised session of power training on a pneumatic leg press. In this arm, the exercise is organized into 4 cluster sets. A cluster set consists of small groups of repetitions separated by short rest periods within the set. Participants will perform clusters of 3-4 repetitions with 20 seconds of rest between clusters. During the exercise, movement speed is continuously monitored. Each cluster will be performed within the range of 10% velocity loss compared with the fastest repetition, which corresponds to a low level of fatigue. Clusters will continue until the total number of repetitions matches the training volume (amount of total repetitions) reached in the 30% velocity loss condition. This design allows participants to complete a similar total training volume as in the moderate fatigue condition, while maintaining lower fatigue, enabling researchers to separate the effects of exercise volume from the effects of fatigue. |
Who may qualify
- Ages
- 65 to 85 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Older adult
Key inclusion criteria (6 listed)
- Be 65 to 85 years old.
- Be able to live independently and perform everyday activities without help.
- Not have regularly done resistance or strength training in the past year.
- Be able to understand study instructions and communicate in the study language.
- Have a recent statement from their treating physician confirming that their heart and blood vessels are healthy enough to safely take part in this study.
Key exclusion criteria (9 listed)
- Unstable heart disease, neurological disease, acute infection, or fever.
- Use of non-steroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen, in the 5 days before the study.
- Use of whey protein, casein, or amino acid supplements in the month before the study.
- Acute or chronic injuries to the legs or lower body muscles.
- Any injury or condition that prevents safe leg extension exercises.
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 |
|---|---|---|
| Power Training at Different Fatigue LevelsAlso: Power Training at Different Velocity Loss Thresholds, Power Training at Different Velocity-Based Training DosesParticipants perform supervised power-training exercise on a pneumatic leg press. Each participant completes three exercise sessions, each separated by approximately one week. In each session, participants perform 4 sets of leg press exercise under different fatigue conditions: A) Exercise sets are terminated when movement velocity decreases by 10%. B) Exercise sets are terminated when movement velocity decreases by 30%. C) Exercise sets are terminated at 10% velocity loss, with total work matched to the 30% condition. | Behavioural | Cluster-Set Power Training (10% Velocity Loss), Low-Fatigue Power Training (10% velocity loss), Moderate Fatigue Power Training (30% velocity loss) |
Primary outcome
Maximum Voluntary Contraction (MVC)
Time frame: Measurements will be taken before exercise (baseline), 5 minutes after each training session, and 24 hours after each session.
Maximum voluntary contraction (MVC) will be assessed to determine the maximum force-generating capacity of the leg extensors using an isokinetic dynamometer (Humac Norm). Simultaneously, muscle activity will be recorded using surface electromyography (EMG; Delsys EMG system). Primary outcome metric: Peak torque (Nm) obtained from three maximal isometric trials recorded on the dynamometer, combined with EMG amplitude (µV) to quantify muscle activation. Interpretation: Higher torque values indicate greater knee extensor strength. EMG amplitude reflects the level of muscle activation during maximal voluntary effort. Interpretation: Higher force values indicate greater leg muscle strength. EMG values indicate the level of muscle activation during the maximal effort.
15 secondary outcomes
Rate of Torque Development (RTD)
Time frame: Measurements will be taken before exercise (baseline), 5 minutes after each training session, and 24 hours after each session.
Muscle Activity
Time frame: Measurements will be taken before exercise (baseline), during exercise session (mean value across the full session), 5 minutes post exercise, and 24 hours post exercise (3 exercise sessions, 1 week apart)
Strength Training Data: Mean Movement Velocity
Time frame: During each exercise session (mean values across the full session) (3 Sessions ; ~1 week apart)
Strength Training Data: Power
Time frame: During each exercise session (mean value across the full session) (3 Sessions ; ~1 week apart)
Strength Training Data: Total Number of Repetitions
Time frame: During each exercise session (mean value across the full session) (3 Sessions ; ~1 week apart)
Muscle Oxygenation
Time frame: Baseline (pre-exercise), continuously during each exercise session, 5 minutes post-exercise, and 24 hours post-exercise (for each of the 3 sessions, 1 week apart)
Blood Lactate
Time frame: Measurements will be taken at baseline and immediately post exercise session (3 sessions, 1 week apart)
Blood Gas
Time frame: Measurements will be taken at baseline and immediately post exercise session (3 sessions, 1 week apart).
Creatine Kinase (CK)
Time frame: Measurements will be taken at Baseline and 24 hours after each exercise session.
Functional Performance: Five-Repetition Sit-to-Stand Test
Time frame: Measurements will be taken at Baseline, immediate post exercise and 24 hours after each exercise session.
Functional Performance: Counter Movement Jump
Time frame: Measurements will be taken at Baseline, immediate post exercise and 24 hours after each exercise session.
Functional Performance: Stair Ascent test
Time frame: Measurements will be taken at Baseline, immediate post exercise and 24 hours after each exercise session.
Functional Performance: 30-s Sit-to-Stand Test
Time frame: Measurements will be taken at Baseline, immediate post exercise and 24 hours after each exercise session.
Perceived Exertion
Time frame: Assessed after each exercise set during each exercise session (mean value across the full session) (3 Sessions ; ~1 week apart)
Delayed Onset Muscle Soreness (DOMS)
Time frame: Ratings will be collected at baseline, 24 hours after exercise, and 48 hours after exercise using a remote survey.
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 17 Sep 2026.
- Individual participant dataSharing planned: Yes. Pseudonymazed participant data, including study measurements and outcomes, along with relevant supporting documents (e.g., study protocol, statistical analysis plan). Data will be shared via a Data Transfer Agreement (DTA). Access may be provided through a secure repository such as FAIRVault.
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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.
Evelien Van Roie, PhD principal investigator
Hasselt University, Faculty of Rehabilitation Sciences
Bruno Tassignon, PhD principal investigator
Hasselt University, Faculty of Rehabilitation Sciences
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Power Training at Different Fatigue Levels in people with Muscle Power and Functional Performance, run by Hasselt University 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 6 inclusion and 9 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 17 Sep 2026. 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?
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 Max Riesbeck, Master of Science (+32 11 26 84 93, max.riesbeck@uhasselt.be), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Maximum Voluntary Contraction (MVC) (time frame: Measurements will be taken before exercise (baseline), 5 minutes after each training session, and 24 hours after each session.). 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 17 Sep 2026.