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Bioengineering
Special Issues
Orthopedic and Trauma Biomechanics
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Orthopedic and Trauma Biomechanics

A special issue of Bioengineering (ISSN 2306-5354). This special issue belongs to the section "Biomechanics and Sports Medicine".

Deadline for manuscript submissions: 30 April 2026 | Viewed by 1181

Special Issue Editors

Prof. Dr. Ligia Rusu

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Guest Editor
Sports Medicine and Physiotherapy Department, University of Craiova, 200585 Craiova, Romania
Interests: neurologic rehabilitation; neuromuscular assessment; physiology; biomechanics; sports medicine; physical therapy
Prof. Dr. Nejc Šarabon

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Guest Editor
Faculty of Health Sciences, University of Primorska, 6310 Izola, Slovenija
Interests: human movement; aging; injuies prevention; rehabilitation; ergonomics
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Mihnea Ion Marin

E-Mail Website
Guest Editor Assistant
Faculty of Mechanics, University of Craiova, 200585 Craiova, Romania
Interests: biomechanics; movement analysis; statistics; signal analysis; technical measurements

Special Issue Information

Dear Colleagues,

Orthopedic and trauma biomechanics is a rapidly evolving field that integrates principles of mechanics, biology, and medicine to understand and improve the treatment of musculoskeletal injuries and diseases. This field is crucial for advancing clinical practices, developing innovative medical devices, and enhancing patient outcomes in orthopedics and trauma care.

Key Areas of Focus

  1. Fracture Biomechanics
  2. Implant Biomechanics:
  • Design and Performance: Evaluating the mechanical properties and performance of orthopedic implants, such as joint replacements and fixation devices.
  • Long-Term Outcomes: Studying the durability and effectiveness of implants over time, including wear and loosening mechanisms.
  • Innovative Materials: Exploring new materials and surface treatments to enhance implant integration and longevity.
  1. Computational Modeling:
  • Finite Element Analysis: Using computational models to simulate the mechanical behavior of bones, joints, and implants under various loading conditions.
  • Multi-Body Dynamics: Studying the dynamic interactions between multiple components of the musculoskeletal system.
  • Patient-Specific Models: Creating personalized models to predict treatment outcomes and optimize surgical planning.
  1. Musculoskeletal System Biomechanics:
  • Injury Prevention: Understanding the biomechanical factors contributing to injuries and developing strategies to prevent them.

Prof. Dr. Ligia Rusu
Prof. Dr. Nejc Šarabon
Guest Editors

Prof. Dr. Mihnea Ion Marin
Guest Editor Assistant

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Bioengineering is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • biomechanics
  • gait
  • trauma and biomechanics
  • movement
  • orthopedic assessment

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

13 pages, 1551 KB  
Article
Joint Kinematics and Gait Pattern in Multiple Sclerosis: A 3D Analysis Comparative Approach
by Radu Rosulescu, Mihnea Ion Marin, Elena Albu, Bogdan Cristian Albu, Marius Cristian Neamtu and Eugenia Rosulescu
Bioengineering 2025, 12(10), 1067; https://doi.org/10.3390/bioengineering12101067 - 30 Sep 2025
Viewed by 300
Abstract
This cross-sectional study analyzed the lower limb (LL) behavior in terms of gait asymmetry and joints’ kinematic parameters, comparing people with multiple sclerosis (pwMS) and unaffected individuals. Methods: Data from 15 patients, EDSS ≤ 4.5, and 15 healthy control volunteers were gathered. The [...] Read more.
This cross-sectional study analyzed the lower limb (LL) behavior in terms of gait asymmetry and joints’ kinematic parameters, comparing people with multiple sclerosis (pwMS) and unaffected individuals. Methods: Data from 15 patients, EDSS ≤ 4.5, and 15 healthy control volunteers were gathered. The VICON Motion Capture System (14 infrared cameras), NEXUS software, Plug-in–Gait skeleton model and reflective markers were used to collect data for each subject during five gait cycles on a plane surface. Biomechanical analysis included evaluation of LL joints’ range of motion (ROM) bilaterally, as well as movement symmetry. Results: Comparative biomechanical analysis revealed a hierarchy of vulnerability between the groups: the ankle is the most affected joint in pwMS (p = 0.008–0.014), the knee is moderately affected (p = 0.015 in swing phase), and the hip is the least affected (p > 0.05 in all phases). The swing phase showed the most significant left–right asymmetry impairment, as reflected by root mean square error (RMSE) values: swing-phase RMSE = 9.306 ± 4.635 (higher and more variable) versus stance-phase RMSE = 6.363 ± 2.306 (lower and more consistent). Conclusions: MS does not affect the joints structurally; rather, it eliminates the ability to differentiate the fine-tuning control between them. The absence of significant left–right joint asymmetry differences during complete gait cycle indicates dysfunction in the global motor control. Full article
(This article belongs to the Special Issue Orthopedic and Trauma Biomechanics)
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14 pages, 2926 KB  
Article
A Dual-Thread Lag–Locking Screw Enhances Single Lateral Plate Fixation in Bicondylar Tibial Plateau Fractures: A Biomechanical Study
by Ya-Han Chan, Hsuan-Wen Wang, Wei-Che Tsai and Chun-Li Lin
Bioengineering 2025, 12(10), 1023; https://doi.org/10.3390/bioengineering12101023 - 25 Sep 2025
Viewed by 418
Abstract
Schatzker type V bicondylar tibial plateau fractures present a major challenge due to the difficulty of achieving stable fixation with minimally invasive strategies. This study introduces a dual-thread lag and locking plate (DLLP) design that integrates lag screw compression with unilateral locking plate [...] Read more.
Schatzker type V bicondylar tibial plateau fractures present a major challenge due to the difficulty of achieving stable fixation with minimally invasive strategies. This study introduces a dual-thread lag and locking plate (DLLP) design that integrates lag screw compression with unilateral locking plate fixation. A custom-built compression evaluation platform and standardized 3D-printed fracture models were employed to assess biomechanical performance. DLLP produced measurable interfragmentary compression during screw insertion, with a mean displacement of 1.22 ± 0.11 mm compared with 0.02 ± 0.04 mm for conventional single lateral locking plates (SLLPs) (p < 0.05). In static testing, DLLP demonstrated a significantly greater maximum failure force (7801.51 ± 358.95 N) than SLLP (6224.84 ± 411.20 N, p < 0.05) and improved resistance to lateral displacement at 2 mm (3394.85 ± 392.81 N vs. 2766.36 ± 64.51 N, p = 0.03). Under dynamic fatigue loading simulating one year of functional use, all DLLP constructs survived 1 million cycles with <2 mm displacement, while all SLLP constructs failed prematurely (mean fatigue life: 408,679 ± 128,286 cycles). These findings highlight the critical role of lag screw compression in maintaining fracture stability and demonstrate that DLLP provides superior biomechanical performance compared with SLLP, supporting its potential as a less invasive alternative to dual plating in the treatment of complex tibial plateau fractures. Full article
(This article belongs to the Special Issue Orthopedic and Trauma Biomechanics)
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