AVOID doing Cable Crunches like this 🛑 🔥 Tip 1: stop hyperextending your back during Cable Crunches, due to putting too much excessive stress onto your lower back this can put you at risk of having future lower back pain. 🔥 Tip 2: rounding out your back can take the tension off lower back and remain the focus onto your core. - #crunches #crunch #fitness #gymlife #cablecrunches #howtocablecrunch #fyp