Intenicola, Dorene. "'Battle ropes' could be the next trendy workout", Business Insider/Reuters, 25 maj 2015. Läst 21 september 2018. "Whipping, slamming, dragging and drumming the long, anchored ropes have long been used in training for sports like football, but fitness experts said they have now gone mainstream in gyms as an efficient workout routine."
