You need to stretch after you Nordic walking session. In this video discover the stretching techniques of Olivier Capelli, double Nordic walking world champion.
Learn how the poles can help you stretch out your back muscles and triceps which get a thorough workout during Nordic walking. Take the time to do these exercises after each of your sessions to recover properly.
Take care to only stretch your muscles when your muscles are hot, either after the warm up or at the end of your session.