- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05469191
Eight-week Effect of the Sit-to-stand Test on Muscle Architecture.
Effect of the Sit to Stand Test on Muscle Architecture After Eight Weeks.
An 8-week intervention of the sit-to-stand test (STS) of 5 and 10 repetitions will be performed to two randomly selected groups to compare its effect on the muscle architecture of the vastus lateralis muscle.
H1: 10 STS significantly modifies vastus lateralis muscle architecture in adults compared to 5STS and the control group.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Rodrigo Lizama - Pérez, M.Sc
- Phone Number: +56979854941
- Email: rlizamaprez@gmail.com
Study Contact Backup
- Name: Grupo de Investigación IDAFISAD 642 Universidad de Granada
Study Locations
-
-
-
Valdivia, Chile, 50900000
- Universidad San Sebastián, sede Valdivia.
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Adults, over 18 years of age.
- They must have signed the informed consent form.
- Who can perform the STS.
- In case of suffering from a chronic non-communicable disease, that it is under control.
Exclusion Criteria:
- Inability to perform the STS.
- Hypertension (>200/110 mmHg).
- Acute neuromuscular or joint injury.
- Who have suffered a stroke in the last 6 months.
- Who have suffered a myocardial infarction or fracture in the last 6 months.
- Terminally ill.
- People who practice a sport professionally.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Group 5 STS
Group 5 STS will perform the same protocol as group 10 STS, only the number of repetitions between each set will change.
|
For 8 weeks, 3 times per week and 3 sets of 5 repetitions during the first month, then 5 sets of 5 repetitions during the second month. Between each repetition, there will be a rest of 30 to 60 seconds approximately. |
Experimental: Group 10 STS
Group 10 STS will perform the same protocol as group 5 STS, only the number of repetitions between each set will change.
|
For 8 weeks, 3 times per week and 3 sets of 10 repetitions during the first month, then 5 sets of 10 repetitions during the second month. Between each repetition, there will be a rest of 30 to 60 seconds approximately. |
No Intervention: Control group
Control group, no intervention.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in the pennation angle of the vastus lateralis muscle.
Time Frame: Before, 1 week completion of the intervention.
|
Calculated as the angle of insertion of the muscle fiber fascicles into the deep aponeurosis, measured with a linear probe in B-mode.
|
Before, 1 week completion of the intervention.
|
Change in the length of the fascicle of the vastus lateralis muscle
Time Frame: Before, 1 week after completion of the intervention.
|
is calculated by measuring the length of the fascicular pathway between the superficial and deep aponeuroses,measured with a linear probe in B-mode.
|
Before, 1 week after completion of the intervention.
|
Change in vastus lateralis muscle thickness
Time Frame: Before, 1 week after completion of the intervention.
|
Muscle thickness will be determined as the distance between the superficial aponeurosis to the deep aponeurosis, measured with a linear probe in B-mode.
|
Before, 1 week after completion of the intervention.
|
Change in muscle quality index (MQI)
Time Frame: Before, 1 week after completion of the intervention.
|
Was calculated using two different formulas: one proposed by Takai et al.
And one by Fragala et al.
The "Takai formula" considers the time required to perform ten repetitions of the sit-to-stand test, while the "Fragala formula" uses the time required for five repetitions: MQI = ((leg length x chair height) x body mass x gravity x 10/ Time STS).
Both calculations consider the length of the leg in meters, the height of the chair used in the test, body mass in kilograms, acceleration due to gravity (9.81 m/s^2), and a fixed constant of 10.
|
Before, 1 week after completion of the intervention.
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in STS mean velocity (m· s-1), STS mean force (N), STS mean power (W), and STS relative power (W·Kg-1)
Time Frame: Before, 1 week after completion of the intervention.
|
The STS mean velocity (m· s-1), STS mean force (N), STS mean power (W), and STS relative power (W·Kg-1), were calculated with the formulas proposed by Alcazar et al. The formulas are as follows:
|
Before, 1 week after completion of the intervention.
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Rodrigo Lizama Pérez, M.Sc, Universidad de Granada
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- IDAFISAD 64201
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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