South Africa’s boxing grannies are fighting back. But instead of countering crime, they're fighting against another tough opponent: aches and pains. they're not trying to counter crime.

The grannies, who are between 75 and 80, train twice a week at a gym in Johannesburg. The grannies first tried aerobics five years ago, but once they got a taste of boxing, they were hooked.

Let’s keep it clean, ladies!