RT @UltraRunningMag: Autumn is a great time to work on your running mechanics. Jason Koop shares 3 exercises you can do at home to improve strength and coordination. https://t.co/EkSi7X4z7g @jasonkoop

RT @UltraRunningMag: Autumn is a great time to work on your running mechanics. Jason Koop shares 3 exercises you can do at home to improve strength and coordination. https://t.co/EkSi7X4z7g @jasonkoop (via Twitter http://twitter.com/maacher/status/1064855498309214208)