Are there any reasons why a dinosaurian creature wouldn't be able to have a thoracic hump?

I recently asked a question regarding whether or not a fictional theropod dinosaur-like creature I created could feasibly raise and lower its head which sported a number of large horns.

I received what strikes me as an excellent and plausible answer: the suggestion that I give the creature a thoracic hump, like the kind you would find on a horned mammal like a bull, ox, or elk. As I understand it, the size of the hump would depend on the weight of the head. A heavier head would need more powerful muscles to lift and lower it, which in turn need larger spinal processes to connect to, hence the hump. Here's an example of an animal with the sort of hump I'm talking about.

Before I commit to the inclusion of this feature on my animal, however, I was wondering if anyone had any scientific objections to the presence of a thoracic hump on a theropod dinosaur (if it would be incompatible with the arrangement of the creature's muscles or something like that). I just noticed that no dinosaurs seem to have this feature and I'm essentially looking for a second opinion.

This is the revised creature tentatively sporting the hump.

posted almost 7 years ago

Joseph Rouleau‭

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