Immediate, Residual, and Cumulative Effects of Fartlek, Hill Circuit, and Roll-On Training in Long-Distance Runners (IRCT-LDR)
Immediate, Residual, and Cumulative Effects of Fartlek, Hill Circuit, and Roll-On Training Modalities: A Comprehensive Examination of Conditioning in Long-Distance Runners
研究概览
详细说明
Long-distance running places substantial physiological and mechanical demands on athletes. Appropriate conditioning is therefore important for developing the capacity to tolerate training stress, recover effectively, and maintain or improve running performance. Different conditioning modalities may impose distinct physiological and mechanical demands, which may result in differences in immediate exercise responses, post-exercise recovery, training load, and longer-term adaptation.
This randomized controlled trial will compare three conditioning modalities. Fartlek training, hill circuit training, and roll-on training in well-trained long-distance runners. Twenty-one eligible runners will be randomly allocated to one of three parallel training groups: the Fartlek Training Group, Hill Circuit Training Group, or Roll-On Training Group. Each group will complete its assigned conditioning modality for 12 weeks, comprising 24 prescribed training sessions.
The study will examine three dimensions of response to conditioning. Immediate responses will include physiological and perceptual responses measured during or immediately after training. Residual responses will focus on recovery-related responses during the 24 hours following conditioning sessions. Cumulative responses will examine changes that develop over repeated exposure to the training intervention, including changes in running performance and aerobic fitness.
Repeated measurements will be collected throughout the intervention to characterize responses to the three conditioning modalities. Measures will include heart rate, blood lactate concentration, rating of perceived exertion, delayed-onset muscle soreness, recovery and wellness indicators, internal training load, 5-km time-trial performance, and VO₂max. Training-load measures will be derived from session rating of perceived exertion and session duration and will be used to characterize the training demands accumulated during the intervention.
The study will compare the response patterns among the three intervention groups to determine whether Fartlek, hill circuit, or roll-on training produces different immediate, residual, and cumulative responses in well-trained long-distance runners. The findings are intended to contribute evidence for the selection and progression of conditioning modalities while considering training stimulus, recovery, and performance-related responses.
研究类型
注册 (估计的)
阶段
- 不适用
联系人和位置
学习联系方式
- 姓名：Awoke Tibebu, MSc.
- 电话号码：+251912073305
- 邮箱：awoket27@gmail.com
参与标准
资格标准
适合学习的年龄
- 成人
接受健康志愿者
描述
Inclusion Criteria:
Male long-distance runners aged 18-25 years VO₂max greater than 60 mL/kg/min Weekly training volume of at least 60 km Training experience of at least 4 years Mercier score greater than 600 Currently engaged in regular long-distance running training Willing to participate in the 12-week training intervention Able to complete all required testing and monitoring procedures Provides written informed consent to participate in the study
Exclusion Criteria:
Current musculoskeletal injury that prevents participation in training or testing Known cardiovascular, respiratory, metabolic, or other medical condition that limits strenuous exercise Current illness or condition that prevents participation in the intervention Use of medication or other treatment that may substantially affect exercise performance or physiological responses Failure to meet the required training or eligibility criteria Planned absence that would prevent adequate participation in the intervention Withdrawal of informed consent Any condition identified by the research team that makes continued participation unsafe
学习计划
研究是如何设计的？
设计细节
- 主要用途：治疗
- 分配：随机化
- 介入模型：并行分配
- 屏蔽：单身的
武器和干预
参与者组/臂 |
干预/治疗 |
|---|---|
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实验性的：Fartlek Training Group (FTG)
A structured Fartlek running training intervention administered for 12 weeks to trained long-distance runners.
The intervention consists of planned variable-intensity running bouts with prescribed duration, repetitions, running intensity, recovery periods, and progressive workload according to the study protocol.
Training sessions will be supervised and standardized across participants.
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A structured variable-intensity running intervention administered for 12 weeks to trained long-distance runners.
Each prescribed session includes standardized warm-up and cool-down periods, alternating faster and slower running at prescribed intensities, and prescribed recovery periods.
Running duration, intensity, repetitions, recovery intervals, and workload progression are standardized according to the study protocol.
Training sessions are supervised, and exercise intensity is monitored using heart rate, rating of perceived exertion, running pace, and prescribed workload.
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实验性的：Hill Circuit Training Group (HCTG)
Participants assigned to the Hill Circuit Training Group (HCTG) will receive the prescribed Hill Circuit training intervention during the 12-week randomized controlled trial.
The intervention consists of structured hill-running and circuit-based training designed for trained long-distance runners.
Training intensity, duration, repetitions, recovery periods, and progression will be prescribed according to the study protocol.
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A structured hill-running and circuit-based training intervention administered for 12 weeks to trained long-distance runners.
Each prescribed session includes standardized warm-up and cool-down periods, repeated uphill running bouts, running-based circuit exercises, and prescribed recovery intervals.
Hill gradient, running duration, repetitions, exercise intensity, recovery intervals, and workload progression are standardized according to the study protocol.
Exercise intensity is monitored using heart rate, rating of perceived exertion, running pace, and prescribed workload.
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实验性的：Roll-On Training Group (ROTG)
Participants assigned to the Roll-On Training Group (ROTG) will receive the prescribed Roll-On training intervention during the 12-week randomized controlled trial.
The intervention consists of structured progressive running sessions designed for trained long-distance runners.
Training intensity, duration, repetitions, recovery periods, and progression will be prescribed according to the study protocol.
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A structured progressive running intervention administered for 12 weeks to trained long-distance runners.
Each prescribed session includes standardized warm-up and cool-down periods, controlled running with planned gradual increases and decreases in running speed, and prescribed recovery periods where applicable.
Running duration, speed progression, intensity, repetitions, recovery intervals, and workload progression are standardized according to the study protocol.
Exercise intensity is monitored using heart rate, rating of perceived exertion, running pace, and prescribed workload.
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研究衡量的是什么？
主要结果指标
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
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5-km Time-Trial Performance
大体时间：Baseline week 6 and Week 12
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Change in 5-km time-trial completion time from baseline to Week 6 and Week 12, comparing the Fartlek Training Group (FTG), Hill Circuit Training Group (HCTG), and Roll-On Training Group (ROTG).
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Baseline week 6 and Week 12
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次要结果测量
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
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VO₂max
大体时间：Baseline, Week 6, and Week 12
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Change in maximal oxygen uptake (VO₂max), measured in mL/kg/min, from baseline to Week 6 and Week 12, comparing FTG, HCTG, and ROTG.
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Baseline, Week 6, and Week 12
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Blood Lactate Concentration
大体时间：Immediately pre-training and post-training during intervention sessions in Weeks 1-12
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Change in blood lactate concentration, measured in mmol/L, immediately following prescribed conditioning sessions to characterize the acute physiological response to Fartlek, Hill Circuit, and Roll-On training.
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Immediately pre-training and post-training during intervention sessions in Weeks 1-12
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Rating of Perceived Exertion (RPE)
大体时间：Immediately after each training session during Weeks 1-12
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Session rating of perceived exertion will be measured using the OMNI perceived-exertion scale immediately following each conditioning session.
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Immediately after each training session during Weeks 1-12
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Heart Rate Response
大体时间：During each training session during Weeks 1-12
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Change in average and maximum heart rate during prescribed conditioning sessions to characterize the acute cardiovascular response to Fartlek, Hill Circuit, and Roll-On training.
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During each training session during Weeks 1-12
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Complete Blood Count (CBC)
大体时间：Baseline, Week 6, and Week 12
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Change in selected hematological parameters, including hemoglobin, hematocrit, red blood cell count parameters.
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Baseline, Week 6, and Week 12
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5-km Performance Score
大体时间：Baseline and Week 12
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Change in performance score calculated using the applicable World Athletics scoring table based on 5-km time-trial performance from baseline to Week 12, comparing FTG, HCTG, and ROTG.
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Baseline and Week 12
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其他结果措施
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
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Delayed-Onset Muscle Soreness (DOMS)
大体时间：Immediately post-training and 24 hours after each conditioning session during Weeks 1-12
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Change in self-reported muscle soreness following each prescribed conditioning session to assess post-exercise muscular recovery.
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Immediately post-training and 24 hours after each conditioning session during Weeks 1-12
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Recovery and Wellness
大体时间：Before and 24 hours after each conditioning session during Weeks 1-12
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Change in recovery and wellness indicators, including sleep duration, sleep quality, fatigue, stress, mood, and overall wellness score, assessed following conditioning sessions.
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Before and 24 hours after each conditioning session during Weeks 1-12
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Acute Training Load
大体时间：Weeks 1-12
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Weekly acute internal training load calculated from accumulated session training loads, where session training load is calculated as session duration multiplied by session rating of perceived exertion (sRPE).
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Weeks 1-12
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Chronic Training Load
大体时间：Weeks 4-12
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Chronic internal training load calculated as the rolling 4-week average of weekly training load during the intervention.
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Weeks 4-12
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Training Monotony
大体时间：Weeks 1-12
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Weekly training monotony calculated as the mean daily training load divided by the standard deviation of daily training load within each training week.
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Weeks 1-12
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Training Strain
大体时间：Weeks 1-12
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Weekly training strain calculated as weekly training load multiplied by training monotony during the 12-week intervention.
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Weeks 1-12
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Freshness Index
大体时间：Weeks 1-12
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Weekly freshness index calculated as chronic training load minus acute training load to characterize changes in training readiness during the intervention.
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Weeks 1-12
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Acute:Chronic Workload Ratio (ACWR)
大体时间：Weeks 4-12
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Weekly acute:chronic workload ratio calculated as acute training load divided by chronic training load during the intervention.
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Weeks 4-12
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合作者和调查者
调查人员
- 研究主任：Alemayehu, PHd、University of Gonder
- 学习椅：Gashaw, PHd、Bahir Dar University
研究记录日期
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初级完成 (估计的)
研究完成 (估计的)
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首次提交
首先提交符合 QC 标准的
首次发布 (实际的)
研究记录更新
最后更新发布 (实际的)
上次提交的符合 QC 标准的更新
最后验证
更多信息
与本研究相关的术语
其他研究编号
- IRERC-19-2025
- bdu1500226 (其他标识符：Bahir Dar University)
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