Why were Sue’s shoulder blades adjusted to fit the wishbone?

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Sue's Shoulder Blades Were Adjusted to Reflect Current Paleontological Understanding of T-Rex Anatomy

The shoulder blades of Sue, the renowned Tyrannosaurus rex fossil at Chicago's Field Museum, were repositioned to align with a revised understanding of the dinosaur's wishbone, or furcula. This anatomical adjustment aimed to accurately depict the animal's posture and capabilities, specifically allowing for a more scientifically informed representation of how Sue might have moved its forelimbs. The change resulted in the arms being positioned lower and closer to the body's midline.
Revised Anatomical Understanding Led to Repositioning

Paleontologists adjusted Sue's shoulder blades to conform to what is now considered the correct placement of the wishbone in Tyrannosaurus rex. This revision reflects advancements in the scientific community's understanding of dinosaur anatomy over recent decades. While the direct cause for the shift in understanding regarding the wishbone's correct placement is not detailed, such changes in paleontology typically arise from new fossil discoveries or re-examinations of existing specimens that provide fresh insights.
New Positioning Allows for a More Realistic Depiction of Forelimb Movement

The repositioning of the shoulder blades had a direct consequence: it brought Sue's arms into a lower and more medial position. This anatomical arrangement is believed to be a more accurate representation of the T-rex's potential range of motion. This specific adjustment is noted to enable the dinosaur to perform actions such as clapping.
Enhancements Aim to Improve Scientific Accuracy and Visual Impact

The adjustments made to Sue's skeletal mount, including the repositioning of the shoulder blades, are part of a broader effort to enhance the fossil's scientific accuracy and its presentation to the public. The goal is to create a more visceral and informative exhibit that reflects the latest paleontological knowledge. These changes contribute to a more dynamic and scientifically grounded portrayal of this iconic dinosaur.

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Why were Sue’s shoulder blades adjusted to fit the wishbone?

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