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Thoracic kyphosis: range in normal subjects.

G T Fon, M J Pitt, A C Thies

AJR. American Journal of Roentgenology

|May 1, 1980

Summary

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Thoracic kyphosis increases with age, with a faster rate observed in females compared to males. This study establishes normal kyphosis ranges based on age and gender.

Area of Science:

Orthopedics
Radiology
Gerontology

Background:

Thoracic kyphosis is a spinal curvature that can change with age.
Establishing normative data for thoracic kyphosis is crucial for identifying abnormalities.

Purpose of the Study:

To measure thoracic kyphosis in a
normal
cohort.
To determine the relationship between age, gender, and thoracic kyphosis.
To establish expected ranges for thoracic kyphosis by age and gender.

Main Methods:

Chest radiographs of 316 healthy subjects (159 males, 157 females, aged 2-77) were analyzed.
A modified Cobb technique was used to measure thoracic kyphosis.
Least squares fits of first-order linear mathematical models analyzed age and gender correlations.

Related Experiment Videos

Main Results:

Thoracic kyphosis significantly increased with advancing age.
The rate of kyphosis increase was notably higher in females than in males.
Expected ranges of thoracic kyphosis were determined for different age and gender groups.

Conclusions:

Age and gender are significant factors influencing thoracic kyphosis.
The findings provide a basis for understanding normal thoracic spine morphology across the lifespan.
Differential aging of the thoracic spine between genders is suggested.