Maximum Strength Development and Volume-Load during Concurrent High Intensity Intermittent Training Plus Strength or
Valéria L G Panissa1, David H Fukuda2, Flaviane P de Oliveira3
1Department of Sport, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.
Journal of Sports Science & Medicine
|November 28, 2018
Summary
Concurrent training (CT) with high-intensity intermittent exercise did not impair maximal strength gains after 8 weeks. However, only strength training (ST) alone led to increased relative strength after 12 weeks.
Area of Science:
- Exercise Physiology
- Sports Science
- Human Performance
Background:
- Concurrent training (CT) combines cardiovascular and strength training.
- Understanding its impact on maximal strength is crucial for training program design.
- Previous research shows mixed results on strength development during CT.
Purpose of the Study:
- To compare maximal strength gains between CT and ST over 12 weeks.
- To investigate the relationship between training volume and strength in both groups.
- To determine if high-intensity intermittent exercise impacts maximal strength adaptation.
Main Methods:
- Nineteen recreationally active males were split into CT and ST groups.
- CT performed 5km high-intensity intermittent running followed by strength training twice weekly.
- ST performed only strength training; maximal strength (1RM) was measured at baseline, week 8, and week 12.
Main Results:
- Both groups showed increases in absolute 1RM at weeks 8 and 12.
- Relative 1RM increased in both groups at week 8.
- Only the ST group showed a significant increase in relative strength from week 8 to week 12.
Conclusions:
- Performing high-intensity intermittent exercise before strength training does not hinder maximal strength development in the short term (8 weeks).
- Over 12 weeks, exclusive strength training appears more effective for enhancing relative maximal strength.
- A significant correlation was observed between lower-body strength training volume and strength gain in the CT group within the first 8 weeks.
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