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

Static and Kinetic Frictional Force

Static and Kinetic Frictional Force

One of the simpler characteristics of sliding friction is that it is parallel to the contact surfaces between systems, and is always in a direction that opposes the motion or attempted motion of the systems relative to each other. If two systems are in contact and moving relative to one another, then the friction between them is called kinetic friction. For example, kinetic friction slows a hockey puck sliding on ice.
However, if two systems are in contact and are stationary relative to one...

Three-Dimensional Force System

Three-Dimensional Force System

In mechanical engineering, a three-dimensional force system is a system of forces acting in three dimensions, with forces applied along the x, y, and z coordinate axes. The three-dimensional force system is an important concept in mechanical engineering, as it allows engineers to understand and analyze the behavior of objects and structures in three dimensions. By understanding the forces acting on a system, engineers can design more efficient and effective mechanical systems that can withstand...

You might also read

Related Articles

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

Sort by

Same author

Influence of Lateral Perforation on the Biomechanical Stability of Thoracic Pedicle Screws.

Global spine journal·2026

Same author

Subluxation-induced liner adhesion and the effect of impaction to prevent liner dislocation in ceramic hip arthroplasty.

Bone & joint research·2026

Same author

Biomechanical evaluation of primary stability in revision Latarjet surgery using malleolar screws following failure of all-suture cerclage fixation.

Journal of shoulder and elbow surgery·2026

Same author

In Vivo Cervical Spine Posture Changes During Non-impact Inverted Freefalls.

Annals of biomedical engineering·2026

Same author

Increasing the fatigue strength of laser-powder bed fusion manufactured Ti6Al4V hip stems by means of appropriate post-treatments.

Journal of the mechanical behavior of biomedical materials·2025

Same author

Corrosion in Modular Revision Hip Stem Tapers - A Retrieval Analysis.

Journal of orthopaedic research : official publication of the Orthopaedic Research Society·2025

Same journal

Modeling and analysis of forward and inverse kinematics for a flexible Stewart platform.

PloS one·2026

Same journal

Barriers and facilitators to healthcare utilization amongst people living with sickle cell disease in the United States: A scoping review.

PloS one·2026

Same journal

Enhancing data completeness in time series: Imputation strategies for missing data using significant periodically correlated components.

PloS one·2026

Same journal

Key targets and mechanisms by which gut microbiota-derived metabolites regulate Alzheimer's disease through the immune - inflammatory pathway: Based on network pharmacology and molecular docking.

PloS one·2026

Same journal

Grid-tied Transformer-less Boost Switched Capacitor Topology (TLBSCT) for PV applications.

PloS one·2026

Same journal

The load-velocity profiles and exercise-specific velocity zones for seven commonly used weightlifting exercises.

PloS one·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Feb 23, 2026

Imaging of the Microstructural Failure Mechanism in the Human Hip

Imaging of the Microstructural Failure Mechanism in the Human Hip

Published on: September 29, 2023

Three-dimensional friction measurement during hip simulation.

Robert Sonntag¹, Steffen Braun¹, Loay Al-Salehi¹

¹Laboratory of Biomechanics and Implant Research, Clinic for Orthopedics and Trauma Surgery, Heidelberg University Hospital, Heidelberg, Germany.

|September 9, 2017

Summary

This summary is machine-generated.

This study developed a precise 3D friction measurement setup for total hip replacements. Larger head sizes showed increased frictional torque, highlighting friction

More Related Videos

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy

Published on: July 2, 2021

A Friction Testing-Bioreactor Device for Study of Synovial Joint Biomechanics, Mechanobiology, and Physical Regulation

A Friction Testing-Bioreactor Device for Study of Synovial Joint Biomechanics, Mechanobiology, and Physical Regulation

Published on: June 2, 2022

Related Experiment Videos

Last Updated: Feb 23, 2026

Imaging of the Microstructural Failure Mechanism in the Human Hip

Imaging of the Microstructural Failure Mechanism in the Human Hip

Published on: September 29, 2023

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy

Published on: July 2, 2021

A Friction Testing-Bioreactor Device for Study of Synovial Joint Biomechanics, Mechanobiology, and Physical Regulation

A Friction Testing-Bioreactor Device for Study of Synovial Joint Biomechanics, Mechanobiology, and Physical Regulation

Published on: June 2, 2022

Area of Science:

Orthopedic biomechanics
Biomaterials engineering
Medical device testing

Background:

Total hip replacement (THR) research traditionally focuses on wear.
Increasing interest in frictional effects, including squeaking and high loading, necessitates new measurement techniques.
Understanding friction is crucial for improving THR performance and longevity.

Purpose of the Study:

To establish and validate a novel three-dimensional (3D) friction measurement setup for hip simulators.
To quantify frictional effects during standardized hip articulation.
To provide a basis for future pre-clinical testing protocols.

Main Methods:

Modification of a standard hip simulator for high-precision friction measurement.
Verification using a hydrostatic bearing and validation with static/dynamic load pendulum tests.
Development of a pendulum model for simplified friction screening.
3D friction measurements on ceramic-on-polyethylene bearings (28, 36, 40 mm).

Main Results:

Achieved measurement precision below 0.2 Nm.
Demonstrated increased frictional torque with larger femoral head diameters (28, 36, 40 mm).
Confirmed findings through pendulum tests and theoretical modeling, with comparison to existing literature.

Conclusions:

The developed 3D friction setup offers valuable insights beyond wear analysis in THR.
Frictional effects, particularly those related to head size, are significant and measurable.
This methodology should be integrated into international standardization pre-clinical testing protocols for THR.