The popular SBS entertainment program 'Running Man' member Kim Jong Gook shared why he loves to work out. On the SBS entertainment program 'Healing Camp,' which aired on Feb. 2, 2015, Kim Jong Gook had an interview with the 'Healing Camp' hosts.

He said, "I had a surgery on my waist a while ago. I hurt my leg when I was a child, and since then one leg is shorter than the other leg, which led to problems on the waist." When asked why he still works out so hard, Kim Jong Gook said, "If I don't work out, the waist problem gest worse. My only treatment was rehabilitation exercise." In relate 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.