Simini Boards Cast

Biomechanics of Locking Plates: Fixed Angle Isn’t Always Better

Simini Podcasts Season 1 Episode 27

In this BoardsCast episode, we take a deep dive into the mechanics, myths, and misapplications of locking plates — a tool that’s often misunderstood as being universally superior.

We explore:

  • The difference between locking and conventional plates from a mechanical standpoint
  • Why fixed-angle doesn’t always mean stronger or more stable
  • The concept of working length, strain environment, and stress distribution
  • When locking plates shine — and when they fail
  • Common failure modes: cold welding, screw breakage, and stress shielding
  • Tips for strategic plate selection based on fracture type, bone quality, and load demands

Whether you're stabilizing a comminuted shaft or debating construct rigidity, this episode offers clarity on when to lock — and when to think twice.

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