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Deformation of Member under Multiple Loadings

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When a rod is made of different materials or has various cross-sections, it must be divided into parts that meet the necessary conditions for determining the deformation. These parts are each characterized by their internal force, cross-sectional area, length, and modulus of elasticity. These parameters are then used to compute the deformation of the entire rod.
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Related Experiment Video

Updated: Feb 21, 2026

Cell-based Assay Protocol for the Prognostic Prediction of Idiopathic Scoliosis Using Cellular Dielectric Spectroscopy

Cell-based Assay Protocol for the Prognostic Prediction of Idiopathic Scoliosis Using Cellular Dielectric Spectroscopy

Published on: October 16, 2013

Degenerative Scoliosis.

Philip J York¹, Han Jo Kim²

¹Department of Orthopaedic Surgery, University of Colorado, Aurora, CO, USA.

Current Reviews in Musculoskeletal Medicine

|October 6, 2017

Summary

Adult degenerative scoliosis (ADS) is a debilitating spinal condition. Surgical management often yields better outcomes than non-operative treatments, with new techniques showing reduced complications.

Keywords:

Adult scoliosis Degenerative spine Spinal deformity Spinal stenosis

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Modified Posterior Vertebral Column Resection for Patients with Thoracolumbar Kyphotic Deformity

Modified Posterior Vertebral Column Resection for Patients with Thoracolumbar Kyphotic Deformity

Published on: September 16, 2022

Area of Science:

Orthopedics
Spine Surgery
Degenerative Spine Disease

Background:

Adult degenerative scoliosis (ADS) involves asymmetric spinal degeneration, leading to malalignment and stenosis.
It can cause significant impairment, often requiring surgical intervention.
Understanding epidemiology, classification, pathophysiology, and natural history is crucial.

Purpose of the Study:

To provide an updated review of adult degenerative scoliosis (ADS).
To discuss classification systems, pathophysiology, and outcome measures.
To compare operative versus non-operative outcomes and explore new surgical techniques.

Main Methods:

Review of current literature on adult degenerative scoliosis.
Discussion of epidemiological data, classification systems (e.g., SRS-Schwab), and pathophysiology.
Analysis of outcome measures, non-surgical modalities, and surgical techniques.

Main Results:

The SRS-Schwab classification integrates clinical and radiographic findings for assessing spinal alignment.
Current evidence suggests surgical management provides superior outcomes compared to non-operative approaches for ADS.
Emerging surgical techniques show promise in reducing perioperative morbidity.

Conclusions:

ADS is a progressive condition requiring careful management, considering patient-specific alignment goals.
Surgeons must be aware of perioperative risks in this patient population.
New surgical advancements offer potential for improved patient outcomes.