British- Nigerian heavyweight champion, Anthony Joshua will be defending his world titles against the Russia's Alexander Povetkin at Wembley Stadium on Saturday.
Ahead of clash, here is a video showing how the WBA, WBO, IBO and IBF world title holder has been strengthening his neck which is part of his gruelling training programme.
The boxer performed a front neck bridge, also known as the wrestler's neck bridge.
Watch the video below.
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