8-10, 10-12, 12-15...these are the common number of reps you'd do for any give exercise. Ever heard of a 3-rep exercise? I have one plan...

Planks are an effective way for runners to build core strength. However, as effective as they may be, they can also be rather boring to do. ...

I've posted many times on the importance a strong core plays in efficient running and prolonging endurance particularly in long runs. Pl...