SINGAPORE — Parkour may conjure images of boisterous teenagers swinging between buildings in urban settings, but a coach in Singapore is using the techniques to teach better balance to the elderly, drawing millions of social media views. How to keep an ageing population of 6.1 million healthy amid rising life expectancy is a key challenge for the city state, which joined the ranks of the "super-aged" in 2025, when more than a fifth of its people were aged 65 or more. After three years of parkour, Betty Boon said she could haul her own luggage up steep stairs in Japanese train stations, freeing her from reliance on her husband or son. "That…
