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Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts

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Published on: January 29, 2018

[Bone mass in puberty].

Masaru Kaga¹, Hiroko Kamimura

¹Okayama University, Faculty of Education, Akasaka Junior High School.

Clinical Calcium

|August 5, 2008

Summary

During puberty, bone mass increases with sex hormones, peaking in late teens. Ultrasonic tibia measurements reveal age-dependent bone speed of sound (SOS) increases, highlighting the importance of nutrition and activity for bone health.

Area of Science:

Pediatrics
Orthopedics
Bone Biology

Background:

Bone mass accrual is crucial during childhood and adolescence.
Pubertal hormonal surges significantly influence bone development and peak bone mass.
Cortical bone assessment is vital for understanding bone health trajectories.

Purpose of the Study:

To establish normative data for speed of sound (SOS) in the tibia using ultrasound in pediatric and adolescent populations.
To investigate the age-related changes in cortical bone properties during growth.
To identify potential periods of relative bone fragility during rapid growth phases.

Main Methods:

Utilized quantitative ultrasound (QUS) to measure the speed of sound (SOS) in the tibia.
Analyzed age- and sex-specific data from a cohort of children and adolescents.

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Correlated SOS changes with pubertal development and peak height velocity.

Main Results:

Speed of sound (SOS) in the tibia demonstrated a significant age-dependent increase in both males and females.
The most substantial increase in SOS occurred approximately one year post-peak height velocity.
A transient period of relative bone fragility was identified during rapid linear growth, preceding maximal bone strength gain.

Conclusions:

Ultrasound-based tibial SOS provides a valuable, non-invasive method for assessing cortical bone development in youth.
Optimal physical activity and nutrition during puberty are critical for maximizing bone mass and strength.
Understanding growth dynamics is essential for preventing bone fragility in adolescents.