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

Frames01:30

Frames

951
Frames are essential components of various mechanical and structural systems used daily. These structures are known for their stability and ability to bear heavy loads. A frame is constructed using two-force and multi-force members, interconnected using pin joints. In contrast, trusses are made entirely of two-force members.
Frames are versatile and widely used in various applications such as structural supports for beams and columns, automobile chassis construction, and in the construction...
951
Frames: Problem Solving II01:26

Frames: Problem Solving II

545
Consider a hydraulic hoist supporting a load of 1 kN. Assuming a simplified schematic representation of this frame structure, the force acting on BD and BF members can be determined.
545

You might also read

Related Articles

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

Sort by
Same author

Is there a difference in plate positioning for clavicle shaft fractures? A retrospective cohort study of 355 cases.

European journal of trauma and emergency surgery : official publication of the European Trauma Society·2026
Same author

Whole-body PET/CT reveals systemic dissemination in spinal tuberculosis: findings from the Spinal TB X cohort.

Infection·2026
Same author

Fibroblast-Derived ECM as a Donor-Specific Pro-Osteogenic Coating Surpassing ASC- and Osteoblast-Derived ECM.

Journal of functional biomaterials·2026
Same author

Do-not-miss-injury: conservative treatment of traumatic ligamentous atlantoaxial instability with unilateral rupture of the alar ligament and minor facet joint dissociation C1/C2.

BMJ case reports·2026
Same author

Response to the letter to the editor: "Outcome of Femoral Fractures Treated with Cerclages and Intramedullary Nailing".

European journal of trauma and emergency surgery : official publication of the European Trauma Society·2026
Same author

Remote Pancreatic Response to Severe Polytrauma Correlates With Clinical Outcome.

United European gastroenterology journal·2026
Same journal

Cumulative traumatic life events and increased risk for emergency department and inpatient utilization after physical injury hospitalization.

Injury·2026
Same journal

Advances in the management of chest wall injuries - Influence of new technical options.

Injury·2026
Same journal

Trauma nursing as frontline health diplomacy: A binational ATCN program for Palestinian and Israeli nurses during conflict.

Injury·2026
Same journal

Corrigendum to "Neutralizing the odds: Biomechanical protection by adiposity offsets physiological burden to explain the trauma.'obesity-paradox`" [Injury 57 (2) (2026) 112913].

Injury·2026
Same journal

Agreement between ChatGPT and emergency physicians in laceration management: A prospective study.

Injury·2026
Same journal

Lateral epicondylar fractures in the pediatric population: Presentation, management, and outcomes.

Injury·2026
See all related articles

Related Experiment Video

Updated: Apr 1, 2026

Adjustable Stiffness, External Fixator for the Rat Femur Osteotomy and Segmental Bone Defect Models
10:09

Adjustable Stiffness, External Fixator for the Rat Femur Osteotomy and Segmental Bone Defect Models

Published on: October 9, 2014

23.5K

External fixation design evolution enhances biomechanical frame performance.

Richard Martin Sellei1, Philipp Kobbe2, Azad Dadgar2

  • 1Harald Tscherne Research Laboratory for Orthopaedic Trauma at Aachen University Medical Centre, Pauwelsst. 30, 52074 Aachen, Germany; Department of Orthopaedic Trauma, Sana Klinikum Offenbach, Starkenburgring 66, 63069 Offenbach am Main, Germany.

Injury
|October 14, 2015
PubMed
Summary
This summary is machine-generated.

The new Hoffmann 3 external fixation system demonstrates superior stiffness compared to the Hoffmann II system. This enhanced stiffness is crucial for maintaining fracture reduction, especially in demanding patient cases.

Keywords:
Double stackingExternal fixation systemHoffmann 3Stiffness

More Related Videos

A Reliable and Reproducible Critical-Sized Segmental Femoral Defect Model in Rats Stabilized with a Custom External Fixator
08:20

A Reliable and Reproducible Critical-Sized Segmental Femoral Defect Model in Rats Stabilized with a Custom External Fixator

Published on: March 24, 2019

9.5K
Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
07:12

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

1.0K

Related Experiment Videos

Last Updated: Apr 1, 2026

Adjustable Stiffness, External Fixator for the Rat Femur Osteotomy and Segmental Bone Defect Models
10:09

Adjustable Stiffness, External Fixator for the Rat Femur Osteotomy and Segmental Bone Defect Models

Published on: October 9, 2014

23.5K
A Reliable and Reproducible Critical-Sized Segmental Femoral Defect Model in Rats Stabilized with a Custom External Fixator
08:20

A Reliable and Reproducible Critical-Sized Segmental Femoral Defect Model in Rats Stabilized with a Custom External Fixator

Published on: March 24, 2019

9.5K
Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
07:12

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

1.0K

Area of Science:

  • Orthopedic biomechanics
  • Trauma surgery
  • Biomaterials engineering

Background:

  • External fixation is vital for limb and pelvic fracture stabilization, preserving soft tissues.
  • Increased construct stiffness is essential for maintaining fracture reduction in active or overweight patients.
  • Advancements in external fixation design aim to improve construct stiffness and stability.

Purpose of the Study:

  • To evaluate if design advancements enhance external fixation construct stiffness.
  • To compare the stiffness of the Hoffmann 3 external fixation system with the Hoffmann II MRI system.

Main Methods:

  • A synthetic fracture model with carbon tubes was used.
  • Three configurations were tested: Hoffmann 3 (H3) with 11mm rods and 6mm pins, Hoffmann II (HII) with 8.0mm rods and 6mm pins (HII-6), and HII with 5mm pins (HII-5).
  • Stiffness was measured under anterior-posterior bending, medio-lateral bending, and axial torsion loading.

Main Results:

  • The Hoffmann 3 construct exhibited significantly higher stiffness in anterior-posterior bending (31 N/mm) compared to other groups (p=0.008).
  • Medio-lateral bending showed mean stiffness of 59 N/mm for H3, 43 N/mm for HII-6, and 31 N/mm for HII-5.
  • Axial torsion measurements were significantly higher for H3 (1.03 Nm/°) versus HII-6 (0.61 Nm/°) and HII-5 (0.56 Nm/°).

Conclusions:

  • The Hoffmann 3 external fixation system demonstrated superior stiffness under bending and torsion loads.
  • Enhanced stiffness of the Hoffmann 3 may improve fracture reduction maintenance and minimize soft tissue compromise.
  • Advancements in Hoffmann design effectively enhance external fixation frame stiffness.