Loads in the spinal structures during lifting: development of a three-dimensional comprehensive biomechanical model

JS Han, VK Goel, JY Ahn, J Winterbottom… - European Spine …, 1995 - Springer
Epidemiological studies have shown that loads imposed on the human spine during daily
living play a significant role in the onset of low back pain. The loads applied to the lumbar …

Effect of changes in the lumbar posture in lifting on trunk muscle and spinal loads: A combined in vivo, musculoskeletal, and finite element model study

P Khoddam-Khorasani, N Arjmand… - Journal of Biomechanics, 2020 - Elsevier
Irrespective of the lifting technique (squat or stoop), the lumbar spine posture (more kyphotic
versus more lordotic) adopted during lifting activities is an important parameter affecting the …

A three-dimensional mathematical model for predicting spinal joint force distribution during manual liftings

CK Cheng, HH Chen, HH Kuo, CL Lee, WJ Chen… - Clinical …, 1998 - Elsevier
Objective. A three-dimensional dynamic mathematical model was developed to discover
what loads are imposed on the lumbar structures by performance of asymmetric manual …

Bending and compressive stresses acting on the lumbar spine during lifting activities

P Dolan, M Earley, MA Adams - Journal of biomechanics, 1994 - Elsevier
Cadaveric studies have shown that intervertebral discs and ligaments are most vulnerable to
injury when loaded simultaneously in bending and compression. The purpose of the present …

Evaluation of spinal loading during lowering and lifting

KG Davis, WS Marras, TR Waters - Clinical Biomechanics, 1998 - Elsevier
Objective. To estimate the three-dimensional spinal loads during various lifting and lowering
tasks. Design. The in vivo measurements of the trunk dynamics, moments, and myoelectric …

Biomechanical analysis and assessment of lumbar stress during load lifting using a dynamic 19-segment human model

M Jäger, A Luttmann - Ergonomics, 1989 - Taylor & Francis
A dynamic biomechanical human model is presented which allows the quantification of
mechanical parameters such as torque, compressive and shear forces, and pressure at the …

Effects of load and speed on lumbar vertebral kinematics during lifting motions

X Zhang, J Xiong, AM Bishop - Human factors, 2003 - journals.sagepub.com
This experimental study investigated the effects of load magnitude and movement speed on
lumbar vertebral kinematics during lifting task performance. Ten participants performed …

Comparisons of lumbar spine loads and kinematics in healthy and non-specific low back pain individuals during unstable lifting activities

E Heidari, N Arjmand, S Kahrizi - Journal of Biomechanics, 2022 - Elsevier
Abstract Evaluation of spinal loads in patients with low back pain (LBP) is essential to
prevent further lumbar disorders. Many studies have investigated the relationship between …

Effect of foot movement and an elastic lumbar back support on spinal loading during free-dynamic symmetric and asymmetric lifting exertions

WS Marras, MJ Jorgensen, KG Davis - Ergonomics, 2000 - Taylor & Francis
The aim of this study was to assess the effect of an elastic lumbar back support on spinal
loading and trunk, hip and knee kinematics while allowing subjects to move their feet during …

Biomechanics of changes in lumbar posture in static lifting

N Arjmand, A Shirazi-Adl - Spine, 2005 - journals.lww.com
Study Design. In vivo measurements and model studies are combined to investigate the role
of lumbar posture in static lifting tasks. Objectives. Identification of the role of changes in the …