High-precision method for cyclic loading of small-animal vertebrae to assess bone quality.

Cellular & Tissue Engineering

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Understanding bone mechanobiology is crucial for developing countermeasures against spaceflight-induced bone loss. This study presents an innovative high-precision system for applying controlled mechanical loads to animal bones, enabling detailed investigation of how bones respond to mechanical stimulation. This technology supports research on exercise-based countermeasures for astronaut bone health.

This study developed a high-precision mechanical loading system for studying bone adaptation in small animals. The system enables controlled cyclic loading to simulate physiological forces on long bones. Precision measurements demonstrated excellent repeatability and minimal variability across test cycles. The method provides a valuable tool for investigating bone mechanobiology and spaceflight-induced bone loss. Application to microgravity countermeasure research may inform exercise protocols for astronauts.