Older Yet Faster (OYF) is a manual for teaching runners how to transition to efficient running and help them avoid incurring almost all of the common running injuries as they do so. The book is idea……続きを見る
Older Yet Faster (OYF) is a manual for teaching runners how to transition to efficient running and help them avoid incurring almost all of the common running injuries as they do so. The book is idea……続きを見る
Older Yet Faster (OYF) is a manual for teaching runners how to transition to efficient running and help them avoid incurring almost all of the common running injuries as they do so. The book is idea……続きを見る