India, April 5 -- In an era where ageing is often associated with decline, one 90-year-old grandfather is rewriting the narrative on senior health. Jennifer Martin, a fitness trainer, has taken to social media to document the remarkable physical resilience of her grandfather, affectionately known as 'Poppy', proving that strength training is a lifelong endeavour. Also read | 62-year-old grandmother shares her secret to staying fit: 'Exercise won't make you look younger than you are but...'

Sharing a video of his routine on January 17, Jennifer highlighted that the secret to her grandfather's independence isn't luck, but deliberate effort. She wrote in her caption, "This is my grandpa at 90! He strength trains three times a week so he can...