The popular SBS entertainment program 'Running Man' member Kim Jong Gook shared that he is nervous about filming Running Man ever time he is on the set, because of his weak waist.

On the SBS entertainment program 'Healing Camp,' which aired on Feb. 2, 2015, Kim Jong Gook had an interview with the 'Healing Camp' hosts. Kim Jong Gook said on this day that he is always nervous when he films 'Running Man.' He added, "In fact, I seriously thought about resigning from the program two years ago. I kept getting hurt, and felt bad to the Running Man members and staffs." In related news, on the most recent 231st episode of the SBS entertainment program 'Running Man,' the Running Man members' friends, such as actresses Oh Hyun Kyung, Kim Ji Soo, Shin Dae Eun, and reporter Park Ji Yoon, appeared and shared their memories with the Running Man members, in addition to playing games with them. The popular SBS entertainment program 'Running Man' airs every Sunday night, and stars members Yoo Jae Suk, Gary, Haha, Ji Suk Jin, Kim Jong Kook, Lee Kwang Soo and Song Ji Hyo.