Tuna Tendons – video

The caudal tendons in tunas link muscle directly to the caudal fin rays, and thus serve to transfer muscle power to the tail during swimming.

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These robust collagenous tendons have structural and mechanical similarity to tendons found in the leg tendons of terrestrial mammals. These material properties compare closely to those of leg tendons from adult mammals that can function as effective biological springs in terrestrial locomotion.

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