Not ski poles. Definitely not ski poles.
From a UK post, “New Fitness Walking Activity on Offer at Luton’s Stockwood Park“: “NORDIC Walking sessions have been introduced in Stockwood Park for people who want to improve their fitness. Nordic Walking involves walking with ski poles to ensure the upper body muscles are used as well as the leg.”
How often do Nordic Walking advocates explain that walking poles are similar to, but not the same as, ski poles? Seemingly, not often enough. Some of the confusion might come from the fact that “ski walking” is one of the several names that what I refer to as “Nordic Walking” has gone by.