Penyagolosa Trail Saludable 2025
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 发起方
- 入组人数
- 37
- 试验地点
- 1
- 主要终点
- Physiological Parameters
研究概览
简要总结
The research team leading this project frames it within the objective of advancing knowledge about what happens to this group of athletes who participate in Ultratrail events, with the particularity of studying them during the race itself. To achieve this, the study aims to address four key perspectives.
First, it seeks to understand the training habits of male and female Ultratrail runners. Second, it aims to assess their physical condition and analyze how uphill and downhill segments affect their muscle performance, running efficiency, and strength levels. Third, it investigates the key factors that determine the prediction of race performance for both male and female runners. Finally, the fourth objective is to examine sex differences as a conditioning factor in physiological processes.
详细描述
There is a category of sporting events held in natural environments over very long distances, classified as Ultratrail races. These races have grown in popularity, attracting an increasing number of participants.
Such races induce states of exhaustion and fatigue, with performance being influenced by numerous factors (environmental conditions, terrain, course profile, etc.), in addition to the athlete's individual characteristics. Scientific interest in these events has surged, and the research community is closely monitoring the health status of participants and their involvement in such races. The aim is to identify the factors influencing performance in a 106 km race (Castelló-Penyagolosa of Penyagolosa Trails) and to assess the physiological impact of participating in this type of endurance event.
To conduct this study, data collection took place before the race, during the race, and within the 48-hour post-race recovery phase.
Before the race, two laboratory sessions were conducted to analyze the athlete's physical condition and assess muscle damage under conditions of both uphill and downhill running. Blood samples were taken before and after these tests.
On race day, measurements included strength loss, weight, dehydration levels, race nutrition, and the evolution of physiological parameters through blood and urine analyses conducted before and after the race.
研究设计
- 研究类型
- Observational
- 观察模型
- Cohort
- 时间视角
- Prospective
入排标准
- 年龄范围
- 18 Years 至 60 Years（Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Adults healthy with 18-60 years
- •Must have completed at least two races of 65 km or longer.
- •Must be registered as a participant in the CSP 2025 race
排除标准
- •Having heart disease
- •Having kidney disease
- •Taking a medication on an ongoing basis
结局指标
主要结局
Physiological Parameters
时间窗: At the start line of the race (11th week) and at the end of the race (11th week)
Urine Samples: Urinary density (mg/dL) Urine samples will be collected at baseline before the race and at the finish line, with measurements of urinary density (Units: mg/dL).
Muscle Damage
时间窗: From the enrolment to 48 hours post-race (12 weeks). First measured of knee and ankle extensors will be in 5th week (4 weeks after baseline). Second, and third measured of knee and ankle extensors will be in 11th week (10 weeks after baseline).
The knee extensors will be measured using ultrasound. Muscle fibre thickness of Rectus femoris and Vastus lateralis will be measured in cm. Pennation angle of muscle fibre of Rectus femoris and Vastus lateralis will be measured in degrees. The ankle extensors will be measured using ultrasound. Muscle fibre thickness of Medial gastrocnemius will be measured in cm. Pennation angle of muscle fibre of Medial gastrocnemius will be measured in degrees. Assessments will be conducted twice during the second laboratory session: once before starting the treadmill test (-15% incline for 5 km at VT1 speed) and again 30 minutes after completing the test. Additionally, measurements will be taken at baseline before the race start and at the finish line
Strength levels
时间窗: First SJ measured (first week), second SJ at day before the race (11th week) third SJ at the end of the race (11th week). RSI will be measured at the first laboratory session (1st week). MIS will be measured at the second laboratory session (5th week)
Measurements: * Squat Jump (SJ): Jump height in centimetres will be measured during a vertical jump performed from a squat position without a countermovement. * Reactive Strength Index (RSI): The subject performs a sequence of 10 consecutive jumps, during which flight time (in milliseconds) and ground contact time (in milliseconds) are measured. These two variables are used to calculate the Reactive Strength Index (RSI), defined as the ratio of flight time to contact time (flight time in milliseconds / contact time in milliseconds). * Maximal Isometric Strength (MIS): The isometric strength of the knee and ankle extensors will be measured in Newtons (N). Collection of Measurements: • Squat Jump will be evaluated during the first laboratory session (first week), before and after cardiopulmonary test (two jumps per attempt). • Reactive Jump will be assessed during the first laboratory session (first week), before and after the 5 km at VT1 speed treadmill test (-15% incline)
Physical activity data
时间窗: Laboratory 4 weeks before the race. During the race 96 hours (from the day before the race to 48hours post-race)
Accelerometry: Physical activity (counts per minute, CPM) will be measured using an accelerometer placed on the non-dominant wrist. Activity levels will be classified into six categories: sedentary, light, moderate, vigorous, very vigorous, and extremely vigorous. Collection of Measurements: * Accelerometry will be recorded during laboratory assessments. * An accelerometer will be placed on the participant the day before the race to continuously collect physical activity data until 48 hours post-race.
次要结局
- Body Composition & Anthropometry(Baseline (1st week))
- Physical Condition(Baseline (1st week) and post baseline (5th week))
- Muscle Oxygenation Measurement(Baseline (Day 1) and post baseline (4 weeks after baseline))
- Running Power Measurement(Baseline (Day 1) and post baseline (4 weeks after baseline))
- Weight(The start line of the race (11th week), during the intervention three times during the race (in km 32, in km 62 and in km 81) and at the end of the race (11th week))