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Similar Publications

Biomechanical Role and Motion Contribution of Ligaments and Bony Constraints in the Elbow Stability: A Preliminary Study.

Bioengineering (Basel)

August 2019

DIMEAS-Department of Mechanical and Aerospace Engineering, Politecnico di Torino, c.so Duca degli Abruzzi 24, 10129 Torino, Italy.

Article Synopsis
  • The study investigates how the movement of the ulna (one of the forearm bones) affects elbow stability, particularly under different conditions of ligament and bone sections.
  • Researchers used motion capture technology on two upper limb specimens to analyze elbow movements during specific orthopedic maneuvers at varying angles of flexion (30°, 60°, and 90°).
  • Findings reveal that damaging the coronoid bone significantly impacts elbow stability, especially at full flexion, and combined damage to two key ligaments also leads to instability across all tested angles, suggesting a need for surgical reconstruction in certain cases.
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Background: Anatomic reduction and fixation of the syndesmosis in traumatic injuries is paramount in restoring function of the tibiotalar joint. While overcompression is a potential error, recent work has called into question whether ankle position during fixation really matters in this regard. Our study aimed to corroborate more recent findings using a fracture model that, to our knowledge, has not been previously tested.

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