What structural feature in the neck vertebrae supported the specialized hunting method of *Smilodon*?

Answer

Short and stout structure to absorb immense pinning forces

The neck vertebrae in *Smilodon* were short and stout, a robustness necessary to absorb the immense forces generated when pinning down a large, thrashing animal while delivering the bite.

What structural feature in the neck vertebrae supported the specialized hunting method of *Smilodon*?
paleontologyadaptationtoothCarnivoreFeline