Choo Sung-hoon stunned viewers by hoisting a 100 kg (220 lb) dumbbell with one hand.
On March 16, 2026, the YouTube channel GYM JONG KOOK uploaded a video titled 'Choo Sung-hoon Lifts a 100 kg Dumbbell With One Hand'.
In the clip, the star of the 'Gym Jong Kook' channel—actor and athlete Choo Sung-hoon—lifts a dumbbell weighing 100 kg with a single hand, drawing gasps from viewers. Many praised his elite stamina and strength, predicting the video will motivate more people to hit the gym. Choo’s fearless challenge and his chemistry with Kim Jong Kook also drew attention.
Comments were filled with praise such as "Choo Sung-hoon’s athletic ability is truly incredible," along with reactions like "Watching this made me want to work out harder, too."