Two fitness influencers have launched a viral "plank challenge" designed to strengthen the abdomen. The program requires participants to progressively increase their planking duration over a 30-day period. Proponents of the challenge claim that the routine effectively strengthens the core muscles. Additionally, the exercise is said to improve overall body posture. Participants can also expect to gain significant physical endurance through the month. The challenge leverages social media trends to encourage fitness consistency. It focuses on a single, high-impact isometric exercise for maximum efficiency.