There's A Good Reason For Owen Farrell's Penalty Celebration

England's success with the boot during the first half of their clash with Wales left many on social media wondering 'why does Owen Farrell celebrate penalties?'

There is a good reason for the celebration. It's to raise awareness for an illness called Duchenne muscular dystrophy.

When @owen_faz links his fingers after kicking a penalty he is raising much needed awareness for Duchenne #Link4DMD #RWC2015 #carrythemhome

— Joining Jack (@alljoinjack) September 26, 2015

The celebration - called 'Jack's Salute' - involves Farrell linking his forefingers together. It's named for Jack Johnson, a young boy who suffers from the illness.

Here's some video of Farrell making the gesture.

Owen Farrell strikes the drop goal beautifully. #RWC2015 pic.twitter.com/4PhDVNc12E

— World Rugby Shop (@worldrugbyshop) September 26, 2015

You can read more about Jack, and the salute, in an interview the Telegraph conducted with his parents last year.