No Time for Cardio? How to Do Interval Seconds of Running
Interval running might just be the ultimate workout hack, mixing short bursts of your fastest or almost fastest running with recovery periods, giving major fitness results in way less time than traditional cardio. Almost a [...]
							
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		





















