Strain measurement of a mouse bone by 3D-electronic speckle pattern interferometry (3D-ESPI)

Praveen R. Samala; Min Su; Sheng Liu; Hui H. Jiang; Hiroki Yokota; Lianxiang Yang

doi:10.1117/12.617670

18 August 2005 Strain measurement of a mouse bone by 3D-electronic speckle pattern interferometry (3D-ESPI)

Praveen R. Samala, Min Su, Sheng Liu, Hui H. Jiang, Hiroki Yokota, Lianxiang Yang

Proceedings Volume 5880, Optical Diagnostics; 58800C (2005) https://doi.org/10.1117/12.617670
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

Bone is a mechanosensitive tissue that adapts its mass, architecture and mechanical properties to mechanical loading. Appropriate mechanical loads provide an effective means to stimulate bone remodeling and prevent from bone loss. It is controversial whether in situ strain in bone is a critical determinant in enhancement of bone formation, and it is therefore important to evaluate load-driven strain in bone. Using electronic speckle pattern interferometry, we determined high-resolution three-dimensional strains on the mouse femur in response to two loading modalities: an axial loading modality (ALM) and a knee loading modality (KLM). We demonstrated that these two loading modalities induced a different pattern of strain distributions. ALM generated strain in the midshaft of cortical bone, while strains with KLM were concentrated on the distal epiphysis of the mouse femur. Since KLM is capable of enhancing bone formation in cortical bone distant from the knee, the current results indicate that in situ strain is not always necessary for load-driven bone formation.

Citation Download Citation

Praveen R. Samala, Min Su, Sheng Liu, Hui H. Jiang, Hiroki Yokota, and Lianxiang Yang "Strain measurement of a mouse bone by 3D-electronic speckle pattern interferometry (3D-ESPI)", Proc. SPIE 5880, Optical Diagnostics, 58800C (18 August 2005); https://doi.org/10.1117/12.617670

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