Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Classification of Bones

Classification of Bones

The bones of the human skeletal system are of varied shapes, sizes, and functions. They can be classified based on their shape and function into four major classes: long bones, short bones, flat bones, and irregular bones. Some classifications include a fifth type, the sesamoid bones, as a separate class, whereas others categorize them under short bones.
Long and Short Bones
The appendicular skeleton, particularly the upper and lower limbs, is primarily made of long and short bones. The...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Correction: Factors associated with recurrence of mitral regurgitation 14 days after rheumatic mitral valve repair.

Frontiers in cardiovascular medicine·2026

Same author

Asymmetrical sacroiliac joint degeneration in degenerative lumbar scoliosis and its association with clinical outcomes and spinopelvic parameters.

European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·2026

Same author

Balancing High Yield and Metabolic Health in Dairy Ruminants: The Central Hub Role of the Rumen Microbiota.

Veterinary sciences·2026

Same author

Psc and Su(z)2 safeguard intestinal stem cell identity and prevent chinmo-dependent tumorigenesis.

EMBO reports·2026

Same author

Factors associated with recurrence of mitral regurgitation 14 days after rheumatic mitral valve repair.

Frontiers in cardiovascular medicine·2026

Same author

Ultrahigh-Throughput Liquid Chromatography with Tandem Mass Spectrometry Method for Targeted Protein Degradation Compound Screening Using the Orbitrap Astral Mass Spectrometer.

Journal of proteome research·2026

Search research articles

Related Experiment Video

Updated: Aug 12, 2025

Semiautomated Longitudinal Microcomputed Tomography-based Quantitative Structural Analysis of a Nude Rat Osteoporosis-related Vertebral Fracture Model

Semiautomated Longitudinal Microcomputed Tomography-based Quantitative Structural Analysis of a Nude Rat Osteoporosis-related Vertebral Fracture Model

Published on: September 28, 2017

How Sagittal Spinal Parameters Predict Anterolateral Spinal Ossification Severity: A Study Based on CT

Qingyu Sun¹, Lianlei Wang, Xing Chen

¹Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, Shandong, P. R. China.

|February 2, 2023

Summary

This summary is machine-generated.

A new CT classification system reliably grades spinal ossification. Increased kyphosis and decreased lordosis correlate with more severe anterolateral spinal ossification, varying by spinal region.

More Related Videos

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

Published on: November 8, 2024

Automated Midline Shift and Intracranial Pressure Estimation based on Brain CT Images

Automated Midline Shift and Intracranial Pressure Estimation based on Brain CT Images

Published on: April 13, 2013

Related Experiment Videos

Last Updated: Aug 12, 2025

Semiautomated Longitudinal Microcomputed Tomography-based Quantitative Structural Analysis of a Nude Rat Osteoporosis-related Vertebral Fracture Model

Semiautomated Longitudinal Microcomputed Tomography-based Quantitative Structural Analysis of a Nude Rat Osteoporosis-related Vertebral Fracture Model

Published on: September 28, 2017

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

Published on: November 8, 2024

Automated Midline Shift and Intracranial Pressure Estimation based on Brain CT Images

Automated Midline Shift and Intracranial Pressure Estimation based on Brain CT Images

Published on: April 13, 2013

Area of Science:

Spinal imaging and analysis
Orthopedic research
Radiology

Background:

Anterolateral spinal ossification is common in diffuse idiopathic skeletal hyperostosis.
Limited research exists on regional spinal ossification and sagittal alignment's influence.

Purpose of the Study:

Establish a CT classification system for anterolateral spinal ossification.
Analyze the impact of sagittal spinal parameters on ossification.

Main Methods:

Retrospective observational study of 120 patients over 60 years old.
CT scans analyzed using volume rendering for ossification grading (0-3).
Sagittal parameters (kyphosis, lordosis, etc.) measured; regression analysis performed.

Main Results:

New classification system showed high inter-observer reliability (ICC=0.900).
Age, weight, and cervical lordosis correlated with total ossification grade.
Specific sagittal parameters (cervical lordosis, thoracic kyphosis, thoracolumbar angle, lumbar lordosis, sacral slope) showed position-dependent correlations with ossification.

Conclusions:

The novel CT classification system is accurate and reliable for assessing anterolateral spinal ossification severity.
Sagittal parameters significantly influence ossification in a region-specific manner.
Greater regional kyphosis or reduced lordosis is associated with increased ossification.