The role of multifidus in the biomechanics of lumbar spine: a musculoskeletal modeling study

K Wang, Z Deng, X Chen, J Shao, L Qiu, C Jiang… - Bioengineering, 2023 - mdpi.com
Background: The role of multifidus in the biomechanics of lumbar spine remained unclear.
Purpose: This study aimed to investigate the role of multifidus in the modeling of lumbar …

A framework based on subject-specific musculoskeletal models and Monte Carlo simulations to personalize muscle coordination retraining

H Kainz, W Koller, E Wallnöfer, TR Bader… - Scientific Reports, 2024 - nature.com
Excessive loads at lower limb joints can lead to pain and degenerative diseases. Altering
joint loads with muscle coordination retraining might help to treat or prevent clinical …

Conclusion or illusion: Quantifying uncertainty in inverse analyses from marker-based motion capture due to errors in marker registration and model scaling

TK Uchida, A Seth - Frontiers in Bioengineering and Biotechnology, 2022 - frontiersin.org
Estimating kinematics from optical motion capture with skin-mounted markers, referred to as
an inverse kinematic (IK) calculation, is the most common experimental technique in human …

The gait pattern and not the femoral morphology is the main contributor to asymmetric hip joint loading

W Koller, A Baca, H Kainz - Plos one, 2023 - journals.plos.org
Gait asymmetry and skeletal deformities are common in many children with cerebral palsy
(CP). Changes of the hip joint loading, ie hip joint contact force (HJCF), can lead to …

Intra-and inter-subject variability of femoral growth plate stresses in typically developing children and children with cerebral palsy

W Koller, B Gonçalves, A Baca, H Kainz - Frontiers in Bioengineering …, 2023 - frontiersin.org
Little is known about the influence of mechanical loading on growth plate stresses and
femoral growth. A multi-scale workflow based on musculoskeletal simulations and …

Increased femoral anteversion does not lead to increased joint forces during gait in a cohort of adolescent patients

N Alexander, R Brunner, J Cip, E Viehweger… - … in Bioengineering and …, 2022 - frontiersin.org
Orthopedic complications were previously reported for patients with increased femoral
anteversion. A more comprehensive analysis of the influence of increased femoral …

Influence of femoral anteversion angle and neck-shaft angle on muscle forces and joint loading during walking

H Kainz, GT Mindler, A Kranzl - Plos one, 2023 - journals.plos.org
Femoral deformities, eg increased or decreased femoral anteversion (AVA) and neck-shaft
angle (NSA), can lead to pathological gait patterns, altered joint loads, and degenerative …

Altered muscle contributions are required to support the stance limb during voluntary toe-walking

E De Pieri, J Romkes, C Wyss, R Brunner… - … in Bioengineering and …, 2022 - frontiersin.org
Toe-walking characterizes several neuromuscular conditions and is associated with a
reduction in gait stability and efficiency, as well as in life quality. The optimal choice of …

[HTML][HTML] An articulated shape model to predict paediatric lower limb bone geometry using sparse landmarks

L Carman, TF Besier, NB Rooks, J Choisne - Journal of Biomechanics, 2024 - Elsevier
Creating musculoskeletal models in a paediatric population currently involves either
creating an image-based model from medical imaging data or a generic model using linear …

Full-length radiograph based automatic musculoskeletal modeling using convolutional neural network

J Wang, S Li, Z Sun, Q Lao, B Shen, K Li, Y Nie - Journal of Biomechanics, 2024 - Elsevier
Full-length radiographs contain information from which many anatomical parameters of the
pelvis, femur, and tibia may be derived, but only a few anatomical parameters are used for …