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Concurrent Training Followed by Detraining: Does the Resistance Training Intensity Matter?
António C Sousa1,2, Daniel A Marinho1,2, Maria H Gil1,2
1Department of Sport Sciences, University of Beira Interior, UBI, Covilhã, Portugal.
Concurrent training with varying resistance loads improves strength and aerobic capacity. Detraining reverses these gains, but higher loads enhance explosive power more effectively.
Area of Science:
- Exercise Physiology
- Sports Science
- Human Performance
Background:
- Concurrent training, combining resistance and aerobic exercise, is a popular method for improving physical fitness.
- The impact of different resistance training intensities within concurrent training on subsequent detraining effects remains an area of interest.
- Understanding these effects is crucial for optimizing training programs and managing detraining periods.
Purpose of the Study:
- To investigate the effects of concurrent training with low, moderate, and high resistance loads on strength and aerobic variables.
- To analyze the detraining effects following these concurrent training protocols.
- To determine if resistance training intensity influences the outcomes of concurrent training and subsequent detraining.
Main Methods:
- Thirty-two men were divided into four groups: low-load, moderate-load, high-load concurrent training, and a control group.
- Training involved 8 weeks of concurrent training (resistance exercises with varying loads plus aerobic training) followed by 4 weeks of detraining.
- Assessments included 1-repetition maximum (1RM), maximal aerobic speed (VO2max), sprint tests, and jump tests.
Main Results:
- All training groups showed significant improvements in strength and aerobic capacity compared to the control group.
- Higher resistance loads (high-load and moderate-load groups) led to greater improvements in explosive efforts (sprints and jumps).
- A 4-week detraining period resulted in detrimental effects across all measured variables for all training groups.
Conclusions:
- Concurrent training programs utilizing low, moderate, or high external resistance loads, combined with aerobic training, are effective for enhancing strength and aerobic fitness.
- Higher resistance loads appear to yield superior gains in explosive performance.
- Detraining leads to a decline in both strength and aerobic adaptations, irrespective of the training load intensity used previously.
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