Could You Arm Wrestle A T. Rex?

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T. rex often gets made fun of for its relatively tiny arms, but we wouldn't laugh if we saw them up close. Each arm was three feet long—bigger than a man's leg—and their muscles were incredibly strong. Scientists have theorized that the dinosaur used its arms to push itself off its stomach, or perhaps to hold onto females during mating.

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Key Facts In This Video

  1. Dinosaurs were not the first reptiles. 00:14

  2. Humans can curl a maximum weight of about 118 kg (260 lbs), whereas T. rex could curl 195 kg (430 lbs). 01:45

  3. Tyrannosaurus existed closer in time to your parents than it did to the Apatosaurus. 03:11

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