Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Cable Subjected to a Distributed Load01:24

Cable Subjected to a Distributed Load

The analysis of suspension bridges is a complex and critical process that involves multiple factors, including the shape and tension of the main cables. The main cables of suspension bridges are subjected to distributed loads, which result in changes in tensile forces and deformation of the cable. These loads must be carefully considered to ensure that the bridge is safe and capable of supporting the weight of different loads.
Indeterminate Structure01:18

Indeterminate Structure

Indeterminate structures refer to structures where internal forces and reactions cannot be determined using only the equations of static equilibrium.  Indeterminate structures have more unknown forces and reaction forces than equations of static equilibrium that can be used to determine them. Indeterminate structures are often used in engineering to create complex, efficient, and aesthetically pleasing structures. There are various types of indeterminate structures used in engineering and some...
Deformation of a Beam under Transverse Loading01:15

Deformation of a Beam under Transverse Loading

Understanding beam deflection, particularly for indeterminate beams with overhanging segments and multiple concentrated loads, is crucial for ensuring structural integrity and functionality. The process begins with constructing an accurate free-body diagram, which helps identify the forces and moments acting on the beam. This diagram is vital for visualizing how bending moments vary along the beam's length, influencing its curvature.
The insights from the bending moment diagram extend to...
Method of Superposition01:20

Method of Superposition

The method of superposition is a crucial technique in structural engineering, used to analyze the effect of multiple loads on beams. This approach involves calculating the deflection and slope for each load on a beam separately, and then summing these effects to determine the overall impact. It is applicable only when the beam material remains within its elastic limit, ensuring that deformations are linearly elastic.
When applying the method of superposition, each type of load—whether...
Beams with Unsymmetric Loadings01:17

Beams with Unsymmetric Loadings

Analyzing a supported beam under unsymmetrical loadings is essential in structural engineering to understand how beams respond to varied force distributions. This analysis involves calculating the deflection and identifying points where the slope of the beam is zero, which are crucial for ensuring structural stability and functionality.
The first moment-area theorem determines the slope at any point on the beam. This theorem indicates that the change in slope between two points on a beam...
Maximum Deflection01:13

Maximum Deflection

When analyzing beams under unsymmetrical loads, such as a train moving on a bridge, it is crucial to accurately determine the points of maximum stress and deflection. The process involves identifying the maximum deflection of the beam, which may not always occur at its midpoint due to the uneven distribution of the load.
The maximum deflection occurs at a specific point, known as point O, where the tangent to the deflection curve is horizontal. To find point O, the slope of the tangent at any...

You might also read

Related Articles

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

Sort by
Same author

Magnetically actuated microrobotic system for sequential treatment of biofilm.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Biomimetic <i>de novo</i> construction of hierarchically aligned and gradient-mineralized collagen for tendon-bone integrated regeneration.

Bioactive materials·2026
Same author

The ppGpp-HpaR1-gum regulatory pathway modulates exopolysaccharides production in Xanthomonas campestris pv. campestris.

NPJ biofilms and microbiomes·2026
Same author

Fabrication of collagen-based biomaterials for sports medicine application.

Regenerative biomaterials·2025
Same author

Nanostructured Semiconductors for Flexible Thermoelectric Applications.

Nanomaterials (Basel, Switzerland)·2025
Same author

Nanopeptides-Loaded Electro-Assembled Oriented Collagen Matrix for the Synergistically Promotes Early Angiogenesis in Tendon Healing.

ACS nano·2025

Related Experiment Video

Updated: May 11, 2026

A Novel Tenorrhaphy Suture Technique with Tissue Engineered Collagen Graft to Repair Large Tendon Defects
06:36

A Novel Tenorrhaphy Suture Technique with Tissue Engineered Collagen Graft to Repair Large Tendon Defects

Published on: December 10, 2021

2.8K

Optimal suturing techniques in patch-bridging reconstruction for massive rotator cuff tears: A finite element

Yuting Zhong1,2,3,4,5, Chengxuan Yu1, Sijia Feng1

  • 1Sports Medicine Institute of Fudan University, Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, 200040, PR China.

Asia-Pacific Journal of Sports Medicine, Arthroscopy, Rehabilitation and Technology
|December 13, 2024
PubMed
Summary

The 2-knot mattress suture provides superior biomechanical support for massive rotator cuff tears (MRCTs) compared to single-knot methods. This patch-bridging technique enhances rotator cuff repair strength.

Keywords:
BridgingFinite element analysisMassive rotator cuff tearPatchSuturing

More Related Videos

Using Q Suture to Enhance Resistance to Gap Formation and Tensile Strength of Repaired Flexor Tendons
10:32

Using Q Suture to Enhance Resistance to Gap Formation and Tensile Strength of Repaired Flexor Tendons

Published on: June 3, 2020

5.6K
Novel Triple-Loop Technique for Suturing TFCC Injuries without Transosseous Tunnel
08:27

Novel Triple-Loop Technique for Suturing TFCC Injuries without Transosseous Tunnel

Published on: May 23, 2025

21

Related Experiment Videos

Last Updated: May 11, 2026

A Novel Tenorrhaphy Suture Technique with Tissue Engineered Collagen Graft to Repair Large Tendon Defects
06:36

A Novel Tenorrhaphy Suture Technique with Tissue Engineered Collagen Graft to Repair Large Tendon Defects

Published on: December 10, 2021

2.8K
Using Q Suture to Enhance Resistance to Gap Formation and Tensile Strength of Repaired Flexor Tendons
10:32

Using Q Suture to Enhance Resistance to Gap Formation and Tensile Strength of Repaired Flexor Tendons

Published on: June 3, 2020

5.6K
Novel Triple-Loop Technique for Suturing TFCC Injuries without Transosseous Tunnel
08:27

Novel Triple-Loop Technique for Suturing TFCC Injuries without Transosseous Tunnel

Published on: May 23, 2025

21

Area of Science:

  • Orthopedic Surgery
  • Biomechanical Engineering
  • Computational Modeling

Background:

  • Massive rotator cuff tears (MRCTs) present significant surgical challenges.
  • Current repair techniques aim to restore biomechanical integrity but can be limited by suture strength and failure modes.

Purpose of the Study:

  • To develop a finite element model for patch-bridge repair of MRCTs.
  • To evaluate the biomechanical impact of different suture methods and knot configurations on rotator cuff repair.

Main Methods:

  • A finite element model of the glenohumeral joint was created using intact data.
  • Simulated MRCTs using a full-thickness supraspinatus tendon defect model.
  • Compared biomechanical properties of 1-knot simple, 1-knot mattress, and 2-knot mattress suture configurations.

Main Results:

  • The 2-knot mattress suture demonstrated the highest ultimate failure load (81.5 N).
  • Stress concentrations were observed at suture perforations on the patch and tendon.
  • Failure primarily occurred at the suture perforation site, with cutting-through and pull-out as common modes.

Conclusions:

  • Patch-bridging reconstruction effectively restores mechanical integrity for MRCTs.
  • The 2-knot mattress suture is biomechanically optimal for patch-bridging repair of massive rotator cuff tears.