On March 19, 2026, actress Kim Bin-woo revealed her latest fitness challenge on Instagram, immediately grabbing attention.
Riding a stationary bike, she broke down the results: "The higher the resistance, the more it feels like your legs are about to explode and your face turns into a zombie," she said, highlighting just how intense the workout is. She also noted that indoor cycling targets not only the lower body but the core as well.
Fans cheered her on, commenting, "That's not even a sound a human mouth makes," as they showed support for her challenge.