World record holder for hand walking was born without legs. See his training (www.insider.com)

Zion Clark set a world record for the fastest 20m walking on his hands. He focuses on exercises like banded dumbbell presses, dips, and pull-ups.

• Zion Clark has caudal regression syndrome, which meant he was born without legs.
• He grew up in foster care and was bullied, beaten, and underfed, he told Insider.
• Clark is now a successful wrestler and world record holding athlete.