Athlete Woman Doing Bird Dog Plank Exercising in Han River Park on Grassy Lawn with View on Namsan Seoul Tower

bird dog plank woman exercise core plank seoul park outdoor rotary stability antiextension shoulder stability postural alignment motor control balance riverbank one female athlete fit sportive model young abdominal strong body sporty stomach cross black contemplative aerobics determination practicing slow motion strength yoga asana abs arm dog leg pose mat posture side view workout n seoul summer alone