Many gyms have mask mandates in order to combat the COVID-19 pandemic. How do masks affect workout performance? Are they safe? Let’s see what the science says.
It’s pretty well-known that too much cardio can interfere with strength and size gains. This study found that interval sprint training did not interfere with gains while still offering cardiovascular benefits. Source: Balabinis, C. P., Psarakis, C. H., Moukas, M., Vassiliou, M. P., & Behrakis, P. K. (2003). Early phase changes by concurrent endurance and […]