How fast t rex run

Share Tweet. Reconstruction of Trix the T. Credit: Pasha van Bijlert. More on:. Deborah Devis Deborah Devis is a science journalist at Cosmos. More from:. To calculate how the tail propelled the T.

The paleontologists found that the ligaments stretched to create the vertical bounce and held the dinosaur's suspended tail in a way that did not use up extra energy. The T. Researchers combined the tails swaying rhythm with an estimated step length obtained from another T. They estimated that Trix's step length would have been 6. In a run, both feet are sometimes in the air at once.

Earlier studies had suggested T. Leg bones experience certain stresses with the push-off and landing of each stride. And these stresses increase as bones lengthen. If the new simulations ever suggested those bones were being stressed to the point of damage, it would flag that running speed as too high, Sellers explains. And at every speed, the stresses in a running T.

This was especially true for the lower leg bones. For a walking T. But T. Nov 11, , am EST. Nov 10, , pm EST. Nov 9, , pm EST. Nov 9, , am EST. Edit Story. Apr 23, , am EDT. David Bressan.