Your butt muscles' ability to engage at the right time and generate force into the ground is a major key to running fast. Here's how to bring them up to speed!
Single Leg Solutions
The Marching Bridge Exercise
I've recently written about how weak glutes can undermine and eventually derail your training. After working with hundreds of clients over the past 12 years I can say one thing with certainty. Weak butt muscles are an epidemic and, more than likely, you've got some work to do, too. Again, if you've got weak glutes it's not a matter of IF you will get a running injury, but WHEN. The Marching Bridge a simple and effective exercise to build up that critical muscle group.