![Trail Runner Nation show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/057/062/small/trail-runner-nation.jpg)
Summary: Ian Sharman, Joe Uhan and Matt Laye return to Trail Runner Nation to discuss some interesting topics including: Poles or No Poles? Strength or mobility work, which is preferred? Should you specifically work to improve your form? Mechanical efficiency & metabolic efficiency? Visit College of Idaho with Assistant Professor, Matt Laye SharmanUltra.com UhanPerformance.com