A runner's guide to proper arm swing - Canadian Running Magazine

20-minute upper body workout for runners - Canadian Running Magazine

A runner's guide to proper arm swing - Canadian Running Magazine

Running Is a Total Body Affair - The New York Times

Don't coach arm swing. — The Gait Guys

How to warm up for a run — 5 running coach-approved exercises

Runners are baring their very soles - Los Angeles Times

Why your arm swing is so important to running and how to improve it

Women: decrease knee injuries by increasing arm swing - Canadian

Don't Judge a Runner's Efficiency by Their Stride

Running Tip 2 Correct arm swing while running