Australia has the highest rate of knee reconstructions in the world

Australia is experiencing an epidemic of knee injuries leading to the highest incidence of reconstructive surgery in the world.

Damage to the anterior cruciate ligament overwhelmingly affects teens and people in their 20s.

However new research shows that children are the fastest growing group.

This is no clue to what is causing the growing injuries but there is proven simple exercises that can help.

Watch the full story above.