A youngster without arms has inspired the internet and melted thousands of hearts by overcoming his fears to complete a box-jump challenge.

Footage has been widely shared of the boy, named Tim, jumping onto a 20in box at a camp run by NubAbility Athletics, which helps young congenital or traumatic amputees get involved in sports.

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The video shows Tim with three trainers, his top drenched with sweat, as he attempts to launch himself onto the 20in box with both feet.

The youngster attempts the jump several times before finally nailing it.

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