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

Method of Joints: Problem Solving II01:30

Method of Joints: Problem Solving II

977
Consider a truss structure with frictionless joints fixed to a wall and roller support. If a force of 150 N is applied to joint A, the forces in each member of the truss can be determined using the method of joints.
977
Structural Classification of Joints01:20

Structural Classification of Joints

6.9K
Joints, also known as articulations, are classified based on their structural characteristics, i.e., based on whether the articulating surfaces of the adjacent bones are directly connected by fibrous connective tissue or cartilage, or whether the articulating surfaces contact each other within a fluid-filled joint cavity. These differences serve to divide the joints of the body into three structural classifications.
A fibrous joint is where the adjacent bones are united by fibrous connective...
6.9K
Method of Joints: Problem Solving I01:30

Method of Joints: Problem Solving I

1.7K
The method of joints is a commonly used technique to analyze the forces in structural trusses. The method is based on the principle of equilibrium, which assumes that the truss members are connected by frictionless pins. The forces at each joint can be determined by considering the equilibrium of the forces acting on that joint. Consider a truss structure with two forces of 20 N and 10 N acting at joints C and D, respectively. The method of joints can be used to determine the forces FCB, FDC,...
1.7K
Relative Motion Analysis using Rotating Axes-Problem Solving01:29

Relative Motion Analysis using Rotating Axes-Problem Solving

685
Consider a crane whose telescopic boom rotates with an angular velocity of 0.04 rad/s and angular acceleration of 0.02 rad/s2. Along with the rotation, the boom also extends linearly with a uniform speed of 5 m/s. The extension of the boom is measured at point D, which is measured with respect to the fixed point C on the other end of the boom. For the given instant, the distance between points C and D is 60 meters.
Here, in order to determine the magnitude of velocity and acceleration for point...
685
Method of Joints01:30

Method of Joints

1.3K
The method of joints is a commonly used technique to analyze the forces in structural trusses. The method is based on the principle of equilibrium, which assumes that the truss members are connected by frictionless pins. The forces at each joint can be determined by considering the equilibrium of the forces acting on that joint.
Since plane truss members are in the same plane, each joint is subjected to a coplanar and concurrent force system. To apply the method of joints, the first step is to...
1.3K
Relative Motion Analysis using Rotating Axes01:25

Relative Motion Analysis using Rotating Axes

865
Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame.
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it...
865

You might also read

Related Articles

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

Sort by
Same author

From body hulls to musculoskeletal models: Personalized inertial parameter estimation.

PloS one·2026
Same author

Exploring magnetic resonance imaging validation of length-based scaling of musculoskeletal models using OpenSim and AddBiomechanics for walking.

PeerJ·2026
Same author

Integrating the behavior of biological soft tissue into musculoskeletal simulation for the design of wearable assistive devices.

Frontiers in human neuroscience·2026
Same author

Radau to the rescue: efficient and accurate discretization for optimal control simulations of running.

Computer methods in biomechanics and biomedical engineering·2026
Same author

Predictive simulations of postural control: exploring the role of signal noise and neural delays in Parkinson's disease.

Scientific reports·2026
Same author

Multimodal inverse kinematics significantly improves IMU-based biomechanical analyses.

Scientific reports·2025
Same journal

Multimodal data synchronization: a high-level software methodology for heterogeneous devices.

BMC biomedical engineering·2026
Same journal

Effect of seat cushion resilience and hardness on lower-limb loading during sit-to-stand.

BMC biomedical engineering·2026
Same journal

Bench testing a contact sensing tracheal tube for monitoring the cuff-trachea interface.

BMC biomedical engineering·2026
Same journal

Comparative analysis of processed EEG indices and entropy-based metrics for assessing anesthetic depth: a scoping review - PRISMA-ScR.

BMC biomedical engineering·2026
Same journal

Recent applications of chaos theory in medical sciences: progress and challenges.

BMC biomedical engineering·2026
Same journal

Linking neurological status to functional outcomes in spinal cord injury: a multi-class, task-specific approach.

BMC biomedical engineering·2026
See all related articles

Related Experiment Video

Updated: Jan 10, 2026

Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion
09:32

Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion

Published on: April 11, 2018

10.1K

IMU-based joint axis identification method for arbitrary joints in OpenSim - a simulation study.

Iris Wechsler1, Julian Shanbhag2, Sandro Wartzack2

  • 1Engineering Design, Friedrich-Alexander-Universität Erlangen-Nürnberg, Martensstrasse 9, 91058, Erlangen, Germany. wechsler@mfk.fau.de.

BMC Biomedical Engineering
|November 22, 2025
PubMed
Summary
This summary is machine-generated.

This study presents an analytical method to accurately identify joint axes in musculoskeletal simulations using OpenSim. The method reliably determines fixed and moving joint centers of rotation, even with noisy motion data.

Keywords:
Biomechanical modeling and simulationInstantaneous axis of rotationJoint axis identificationMeasurement noiseModel individualization

More Related Videos

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field
06:52

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field

Published on: May 26, 2020

8.4K
In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy
07:43

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

Published on: July 2, 2021

3.5K

Related Experiment Videos

Last Updated: Jan 10, 2026

Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion
09:32

Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion

Published on: April 11, 2018

10.1K
An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field
06:52

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field

Published on: May 26, 2020

8.4K
In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy
07:43

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

Published on: July 2, 2021

3.5K

Area of Science:

  • Biomechanics
  • Computational Modeling
  • Musculoskeletal Simulation

Background:

  • Individualized joint axes are crucial for accurate musculoskeletal simulations.
  • Current methods may have limitations in determining joint centers of rotation.

Purpose of the Study:

  • To investigate the accuracy and performance of an analytical method for identifying instantaneous axes of rotation in OpenSim.
  • To assess the method's applicability to both fixed and moving joint centers.

Main Methods:

  • Calculated instantaneous centers of rotation using relative linear and angular velocity data.
  • Applied the method to a double pendulum model and hip/knee joints in a musculoskeletal model.
  • Tested the method with both noise-free and noisy synthetic motion data.

Main Results:

  • The analytical method accurately identified joint centers of rotation with noise-free data.
  • Noisy data required filtering or optimization for accurate center of rotation determination.
  • The approach successfully determined centers of rotation for arbitrary joints.

Conclusions:

  • The developed analytical method enhances the accuracy of musculoskeletal simulations.
  • This approach is versatile, applicable to fixed and moving joint centers of rotation.
  • It offers an advancement over commonly used methods in biomechanical simulation.