Clinical trial · Interventional
Effects of Short- Term Intermittent Fasting Aerobic and Anaerobic Capacity
Effects of Short- Term Intermittent Fasting on Neuromuscular Performance, Aerobic and Anaerobic Capacity
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
The therapeutic use of caloric restriction and intermittent fasting (IF) protocols improves life span and health related quality of life. The effects of fasting protocols on athletic performance and training adaptations have been primarily studied in athletes undergoing the Ramadan IF protocol or in athletes willing to decrease body fat, while maintaining or increasing lean body mass. Data from these studies are somewhat conflicting and unclear. Moreover, the effects of IF on muscular strength, as well as in aerobic and anaerobic capacity remain largely unknown. Anecdotal evidence from experienced participants in strength, power and endurance training or sports, indicates an increased ability to acutely display higher levels of work capacity in the fasted vs. fed state. The goal of this project is to determine the effects of 4 wks of IF on neuromuscular performance, aerobic and anaerobic capacity of well-trained young adults.
Conditions
Conditions (2)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Healthy Males | — | UNRESOLVED | — |
| Men | Multiple Endocrine Neoplasia | ALIAS | 0.90 |
Interventions
Interventions (1)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| Experimental Group | Other | — | UNRESOLVED |
Design
Arms and outcomes
Arms (2)
- type
- EXPERIMENTAL
- label
- Experimental Group
- description
- Measures taken before and after the defined IF periods. Two groups of participants will be included in this project: 1) resistance trained group (tested for neuromuscular function, anaerobic capacity and body composition); 2) endurance trained group (tested for aerobic and anaerobic capacity and body composition). Experimental condition: pre- and post-4 weeks of IF. Measurements will be taken during the morning period (between 07:00 and 11:00 am) in the fasted state. Neuromuscular function and anaerobic capacity will be assessed on separate days (with at least a 48- hour interval) to ensure full recovery.
- interventionNames
- Other: Experimental Group
- type
- OTHER
- label
- Control Group
- description
- Participants of each group serving as their own controls. Control condition: pre- and post4 weeks of normal diet. Measurements will be taken during the morning period (between 07:00 and 11:00 am) in the fasted state. Neuromuscular function and anaerobic capacity will be assessed on separate days (with at least a 48-hour interval) to ensure full recovery.
- interventionNames
Eligibility
Eligibility (as posted)
- Sex
- Male
- Minimum age
- 18 Years
- Maximum age
- 30 Years
Show eligibility criteria text
Inclusion Criteria: * Inclusion will be limited to young, healthy men with aged 20- 30 years. All participants will exhibit \> 3 years of continued experience and current participation in strength and power sports/training (training frequency of at least 3 times/wk). As importantly, the following criteria will also be determinant for inclusion: 1) bench press one-repetition maximum/bodyweight ratio \> 1.26 (i.e. above the 80 percentile for 20 to 29-year-old males) (ACSM 2013) and 2) leg press one-repetition maximum /bodyweight ratio \> 2.08 (i.e. above the 80 percentile for 20 to 29-year-old males) (ACSM 2013). Finally, for inclusion, all participants will have to follow the nutritional and training recommendations at pre-testing time point. * For study 2, as for study 1, Inclusion will be limited to young, healthy men with aged 20- 30 yrs. All participants will exhibit \> 3 yrs of continued experience and current participation in endurance based sports/training (training frequency of at least 3 times/wk). We will only include participants with VO2peak values \> 49 mL.kg-1.min-1(i.e. above the 80 percentile for 20 to 29-year-old males) (ACSM 2013). Finally, for inclusion, all participants will have to follow the nutritional and training recommendations at pre-testing time point. Exclusion Criteria: * All participants who do not meet the inclusion criteria mentioned above.
References
Publications (1)
- DERIVEDCorreia JM, Pezarat-Correia P, Minderico C, Infante J, Mendonca GV. Effects of Time-Restricted Eating on Aerobic Capacity, Body Composition, and Markers of Metabolic Health in Healthy Male Recreational Runners: A Randomized Crossover Trial. J Acad Nutr Diet. 2024 Aug;124(8):1041-1050. doi: 10.1016/j.jand.2024.01.005. Epub 2024 Jan 17. PMID 38242204