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

Normal Strain under Axial Loading01:20

Normal Strain under Axial Loading

1.4K
Normal strain under axial loading is an important concept in the field of mechanics of materials. Axial loading implies the application of a force along the axis of a material, like a column or bar. This force can either compress or stretch the material. In the context of axial loading, normal strain is the deformation experienced by the material in the direction of the loading force. It's calculated as the change in length divided by the original length of the material. This unitless ratio...
1.4K
Stress Concentrations in Circular Shafts01:18

Stress Concentrations in Circular Shafts

623
Consider the elastic torsion formula, which applies to a circular shaft with a consistent cross-section. This formula assumes that the shaft's ends are loaded with rigid plates firmly attached. However, in many cases, torques are applied to the shaft through mechanisms like flange couplings or gears, which are connected by keys inserted into keyways. This application method modifies the stress distribution near the point of torque application, causing it to deviate from the distributions...
623

You might also read

Related Articles

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

Sort by
Same author

Dynamic modulation of LH secretion by continuous kisspeptin infusion in healthy men.

Hormones (Athens, Greece)·2026
Same author

Studying spinal feedback loops post tendon transfer surgery using the pincer grasp task: A Neuro-Musculoskeletal study using NEUROiD.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2025
Same author

Nongenetic adaptation by collective migration.

Proceedings of the National Academy of Sciences of the United States of America·2025
Same author

Non-genetic adaptation by collective migration.

bioRxiv : the preprint server for biology·2024
Same author

Force-amplifying implant to improve key pinch strength in tendon transfer surgery: Cadaver model proof-of-concept.

Journal of orthopaedic research : official publication of the Orthopaedic Research Society·2023
Same author

A novel implantable mechanism-based tendon transfer surgery for adult acquired flatfoot deformity: Evaluating feasibility in biomechanical simulation.

PloS one·2022
Same journal

Repurposing Metformin to Promote Fracture Callus Maturation via AMPK-Driven Metabolic Activation.

Journal of orthopaedic research : official publication of the Orthopaedic Research Society·2026
Same journal

Biomechanical Assessment of Functional Tasks Beyond Level Walking Following Total Hip Arthroplasty: A Scoping Review.

Journal of orthopaedic research : official publication of the Orthopaedic Research Society·2026
Same journal

Gait Characteristics and Intersegmental Foot and Ankle Motion in Patients With Neglected Achilles Tendon Rupture.

Journal of orthopaedic research : official publication of the Orthopaedic Research Society·2026
Same journal

A Biomechanical Proof-of-Concept Study of Scaffold-Augmented Distraction Osteogenesis Using 3D-Printed Hyperelastic Bone™ in a Rabbit Tibial Lengthening Model.

Journal of orthopaedic research : official publication of the Orthopaedic Research Society·2026
Same journal

Predicting Primary Stability of Stemless TSA From Preoperative Bone Density and Surgical Factors.

Journal of orthopaedic research : official publication of the Orthopaedic Research Society·2026
Same journal

Locking Compression Plate Versus Dynamic or Limited Contact Dynamic Compression Plate Fixation for Forearm Fractures: A Systematic Review and Meta-Analysis.

Journal of orthopaedic research : official publication of the Orthopaedic Research Society·2026
See all related articles

Related Experiment Video

Updated: Mar 14, 2026

Author Spotlight: Integrating Mechanical and Biological Analysis in Tendinopathy Research
04:37

Author Spotlight: Integrating Mechanical and Biological Analysis in Tendinopathy Research

Published on: March 1, 2024

1.4K

Impact of Pulley Radius on Tendon Durability Under Cyclic Loading in a Rabbit Model.

Brenna W Popham1, Michael J Pavol2, Kian J Kelly1

  • 1School of Mechanical, Industrial, and Manufacturing Engineering, Oregon State University, Corvallis, Oregon, USA.

Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society
|March 12, 2026
PubMed
Summary
This summary is machine-generated.

Pulley radius does not significantly impact tendon durability around implants. While tendon damage and adhesion occurred across tested radii, implant curvature variations pose minimal risk of tendon failure.

Keywords:
Cyclic loadingPulley radiusTendon durabilityTendon mechanicsTendon‐implant interface

More Related Videos

Development of a Rabbit Chronic-Like Rotator Cuff Injury Model for Study of Fibrosis and Muscular Fatty Degeneration
05:20

Development of a Rabbit Chronic-Like Rotator Cuff Injury Model for Study of Fibrosis and Muscular Fatty Degeneration

Published on: March 31, 2023

1.9K
Author Spotlight: Unraveling the Mechanobiology of Tendon Impingement – A Multiaxial Murine Hind Limb Explant Model
08:19

Author Spotlight: Unraveling the Mechanobiology of Tendon Impingement – A Multiaxial Murine Hind Limb Explant Model

Published on: December 8, 2023

1.6K

Related Experiment Videos

Last Updated: Mar 14, 2026

Author Spotlight: Integrating Mechanical and Biological Analysis in Tendinopathy Research
04:37

Author Spotlight: Integrating Mechanical and Biological Analysis in Tendinopathy Research

Published on: March 1, 2024

1.4K
Development of a Rabbit Chronic-Like Rotator Cuff Injury Model for Study of Fibrosis and Muscular Fatty Degeneration
05:20

Development of a Rabbit Chronic-Like Rotator Cuff Injury Model for Study of Fibrosis and Muscular Fatty Degeneration

Published on: March 31, 2023

1.9K
Author Spotlight: Unraveling the Mechanobiology of Tendon Impingement – A Multiaxial Murine Hind Limb Explant Model
08:19

Author Spotlight: Unraveling the Mechanobiology of Tendon Impingement – A Multiaxial Murine Hind Limb Explant Model

Published on: December 8, 2023

1.6K

Area of Science:

  • Biomaterials Science
  • Orthopedic Surgery
  • Tissue Engineering

Background:

  • Tendon damage around curved implant surfaces (pulleys) is not well understood.
  • Investigating pulley radius effects on tendon durability is crucial for implant design.

Purpose of the Study:

  • To determine how pulley radius influences tendon durability under cyclic loading.
  • To assess the relationship between implant curvature and tendon-implant interaction.

Main Methods:

  • Rabbit extensor digitorum communis tendons were wrapped around titanium pulleys (2, 3, or 4.5 mm radius).
  • Tendon bundles underwent 100,000 or 500,000 cycles of low-magnitude tensile loading.
  • Effective stiffness and signs of damage/adhesion were measured.

Main Results:

  • Pulley radius showed no significant effect on effective stiffness changes up to 100,000 cycles.
  • Tendon effective stiffness increased rapidly initially, then linearly after 150,000 cycles.
  • Visible tendon damage and adhesion were observed for all pulley radii; no tendon failures occurred.

Conclusions:

  • Implant pulley radius has a negligible influence on tendon durability within the tested range.
  • Varying implant curvature does not significantly alter tendon failure risk but doesn't reduce adverse tendon-implant contact effects.
  • Alternative damage countermeasures are likely necessary for clinically acceptable tendon durability near implants.