We present a state-of-the-art computer model of the skull of Sphenodon, a lizard-like New Zealand reptile that employs a unique jaw action to saw its prey into pieces. Based on known anatomy, the model predicts muscle activation, bite forces and joint forces, and provides new insights into how skulls work during feeding.
This non-invasive computer based approach can be used to assess muscle function in other animals, including those that are rare, endangered, extinct, or very small. There is also the potential to aid understanding of certain human disorders, such as those affecting the jaw joint.
Source
Journal of the Royal Society Interface
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