The skeleton shows large muscle insertions and fully developed pectoral girdles, so the arm had strong muscles ... becoming extinct some 20 million years before T-rex evolved.

CHICAGO (WREX) — Scientists at the Illinois Field Museum are doing research on the Tyrannosaurus Rex ... arm from the dinosaur skeleton to understand how strong the pre-historic beast was. C-T ...

The right arm of SUE the Tyrannosaurus rex underwent a CT scan at the UChicago Medicine Center for Care and Discovery to help museum researchers understand how the T. Rex used its famously short arms.

They soon realised these were no ordinary dinosaur fossils, they were T. rex arm bones, complete with the ... which in turn need a whole load of muscle to allow them to work properly.

The skeleton shows large muscle insertions and fully developed pectoral girdles, so the arm had strong muscles," said Juan Canale, lead author of the study. "They may have used the arms for ...

No creature in the history of planet Earth sparks the imagination quite like Tyrannosaurus rex. But how do we separate the movie-monster myth from the actual animal? Victoria the T-rex ...

Remember that scene in Jurassic Park where the Tyrannosaurus rex ... true. Muscle and other soft tissue don’t turn into fossils like bone. Everything we think we know about the anatomy of ...

Does your sleep position mimic a prehistoric predator? You might have heard the term "T-Rex arm sleeping" thrown around in discussions about quirky sleep habits. And, no, it does not involve suddenly ...