Searchable abstracts of presentations at key conferences on calcified tissues
Bone Abstracts (2013) 2 P175 | DOI: 10.1530/boneabs.2.P175

ICCBH2013 Poster Presentations (1) (201 abstracts)

Correlation analysis of bone vibration frequency and its mass:volume ratio

Hajar Razaghi 1 , Reza Saatchi 1 , Amaka Offiah 2, , Nick Bishop 2, & Derek Patrick Anthony Burke 3

1Sheffield Hallam University, Sheffield, UK; 2University of Sheffield, Sheffield, UK; 3Sheffield Children’s Hospital NHS Trust, Sheffield, UK.

Background: Vibration analysis is a well-established technique in industry to analyse materials physical properties. The application to bone’s physical properties is unclear. This study investigated the relationship between bone vibration frequency and mass:volume ratio (ρ).

Methods: We used eight turkey bones (tibio tursus). Following soft tissue removal, a 12 cm diaphyseal section was isolated, marrow removed using a water jet and the bones dried at 25 °C for 1 week. Bone volume was determined by water displacement, and mass by weighing.

Bones were held in a vice at one end in a consistent manner and vibrated either using a miniature vibration motor (continuous vibration approach) or a miniature electronic hammer (impulse vibration approach). Vibration signals were recorded using CM-01B sensor. For the impulse approach, the highest peak in the magnitude frequency spectrum of the vibration signal (F) was used to determine the bone vibration frequency. For the continuous vibration approach, the difference (FD) between the motor vibration frequency and the bone vibration frequency (obtained from the highest peak in the magnitude frequency spectrum) was used.

Results: The impulse approach correlated more strongly with ρ than did the continuous approach (correlation of F with ρ 0.57 vs 0.38 respectively).

Figure 1 Vibration frequency versus ρ (impulse vibration approach).

Figure 2 Vibration frequency difference ρ (Continuous vibration approach).

Summary: This study suggests that vibration analysis may be a valuable technique in assessing bone mass/volume properties. This was a preliminary study and we are currently conducting a larger study to explore the findings further.

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Volume 2

6th International Conference on Children's Bone Health

Rotterdam, The Netherlands
22 Jun 2013 - 25 Jun 2013


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