Effect of the Sit to Stand Test on Muscle Architecture After Eight Weeks.
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 60
- 试验地点
- 1
- 主要终点
- Change in vastus lateralis muscle thickness
研究概览
简要总结
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.
详细描述
Participants will be required to attend the laboratory for a first familiarization visit, where descriptive, biometric, and medical variables will also be evaluated. In addition, during this first familiarization session, it will be previously determined if the participants present any exclusion criteria and their muscle architecture will also be evaluated. After the familiarization session and the participants have signed the informed consent form, they will be randomly assigned to a 5 STS, 10 STS, or control group. Each group (exception of the control group) will be asked to perform three times a week one of the STS modalities assigned to them for 8 weeks, to ensure that the test is completed correctly and also to maintain the planning, the evaluator will be connected virtually with the participants, where rest times will be controlled and a fatigue perception scale will be performed at the end of each session, which will allow controlling the process each session. Subsequently, participants will be asked to attend the laboratory to re-evaluate their architectural parameters ( pennation angle, fascicle length, and muscle thickness) of the quadriceps muscle, one week after performing the intervention.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Basic Science
- 盲法
- None
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •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.
排除标准
- •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.
研究组 & 干预措施
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.
干预措施: Group 5 STS (Other)
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.
干预措施: Group 10 STS (Other)
Control group
Control group, no intervention.
结局指标
主要结局
Change in vastus lateralis muscle thickness
时间窗: 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.
Change in the length of the fascicle of the vastus lateralis muscle
时间窗: 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.
Change in the pennation angle of the vastus lateralis muscle.
时间窗: 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.
Change in muscle quality index (MQI)
时间窗: 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.
次要结局
- Change in STS mean velocity (m· s-1), STS mean force (N), STS mean power (W), and STS relative power (W·Kg-1)(Before, 1 week after completion of the intervention.)
研究者
Rodrigo Lizama Perez
Principal Investigator
Universidad de Granada