Mixed
During short-term concurrent training (8 weeks), combining resistance training with either high-intensity interval training (HIT) or work-matched moderate-intensity continuous training (MICT) attenuates maximal lower-body strength gains to a similar degree compared to resistance training alone, indicating that endurance training intensity is not a critical mediator of the interference effect.
If you are doing both cardio and weights, don't worry about choosing 'easy' cardio to protect your strength. As long as you burn the same amount of energy (work-matched), high-intensity intervals will interfere with your strength gains just as much as moderate steady-state cardio. Focus on managing your total volume and recovery rather than avoiding high intensity.
We conclude that concurrent training incorporating either HIT or work-matched MICT similarly attenuates improvements in maximal lower-body strength and indices of CMJ performance compared with RT performed alone. This suggests endurance training intensity is not a critical mediator of interference to maximal strength gain during short-term concurrent training.
Why this rating
Randomized controlled trial with work-matched protocols, though sample size is small (n=23) and duration is short (8 weeks).
Source
Endurance Training Intensity Does Not Mediate Interference to Maximal Lower-Body Strength Gain during Short-Term Concurrent Training
Jackson J. Fyfe et al. · Frontiers in Physiology · 2016
DOI 10.3389/fphys.2016.00487
Related findings · Mixed
- Bariatric surgery (VSG and RYGB) is the most effective and sustainable treatment for obesity, producing marked and sustained weight loss that non-surgical interventions cannot match.Strong
- Severely protein-deficient diets (2–3% energy) induce lean body mass loss and metabolic imbalance, whereas adequate protein intake (0.66 g/kg/d minimum) is a prerequisite for maintaining muscle, bone, and physiological function.Strong
- For patients with Class III obesity (BMI >39.9 kg/m2), metabolic bariatric surgery (MBS) is significantly more effective than any currently approved medication, with BilioPancreatic Diversion (BPD) showing the highest estimated weight loss.Strong
This is one finding among thousands. Every one is graded and traced to its source, so you can see what the evidence actually supports. Browse the research →