We took the 1-minute plank challenge… and yes, it was tougher than expected A 1-minute plank may look simple… but it’s one of the most effective exercises for your overall fitness. Just 60 seconds can work more muscles than you think - our core, back, shoulders, glutes and even legs all stay activated at once. Why planks are worth adding to your routine: ✨ Strengthen your core and spine ✨ Improve posture and balance ✨ Reduce the risk of lower back pain ✨ Boost full-body stability and endurance N