Fin.K.L members strike a pose together at Lee Hyori's yoga studio

Fin.K.L members Sung Yu-ri, Lee Jin and Ok Joo-hyun have drawn attention after photos of the trio doing yoga together at Lee Hyori's studio went viral.

The yoga studio run by Lee Hyori — the eldest member of Fin.K.L — posted photos Friday on its official Instagram account with the caption "Fin.K.L's raja kapotasana," drawing wide interest from fans.

The photos show Sung, Lee and Ok in light workout attire, lined up side by side on yoga mats and attempting the same pose.

The three lie face down, lifting their upper bodies and legs off the ground in an attempt at raja kapotasana — an asana in which the feet are drawn up toward the head until they touch the forehead. Sung and Lee are visibly laughing, suggesting the pose did not come easily.

Lee Hyori opened the studio on Yeonhui-ro in Seodaemun-gu after relocating to Seoul last year and has since been teaching yoga to enrolled students.

Fin.K.L, the four-member group that debuted in 1998, won wide popularity with hit songs including "My Boyfriend" and "Eternal Love."