https://www.optimumsport.com/pl-pl/blogs/featured 2026-08-24T09:15:04+01:00 weekly https://www.optimumsport.com/pl-pl/blogs/featured/jak-opanowac-mlyn-kompletny-przewodnik-po-najwazniejszym-elemencie-rugby 2026-07-28T14:32:09+01:00 weekly https://cdn.shopify.com/s/files/1/0043/7429/8696/articles/mastering-the-scrum-a-comprehensive-guide-to-rugbys-most-crucial-element-8329583.jpg?v=1785245529 https://www.optimumsport.com/pl-pl/blogs/featured/pozycje-w-rugby-przewodnik-dla-poczatkujacych 2026-07-28T14:32:12+01:00 weekly https://cdn.shopify.com/s/files/1/0043/7429/8696/articles/breaking-down-rugby-positions-a-beginners-guide-1104895.jpg?v=1785245532 https://www.optimumsport.com/pl-pl/blogs/featured/forma-w-rugby-jak-przygotowac-sie-do-gry-na-boisku 2026-07-28T14:32:15+01:00 weekly https://cdn.shopify.com/s/files/1/0043/7429/8696/articles/rugby-fitness-how-to-get-in-shape-for-the-pitch-6232082.jpg?v=1785245535 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