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Journal of Human Kinetics

The Journal of Academy of Physical Education in Katowice

4 Issues per year


IMPACT FACTOR 2016: 0.798
5-year IMPACT FACTOR: 1.252

CiteScore 2016: 1.16

SCImago Journal Rank (SJR) 2016: 0.483
Source Normalized Impact per Paper (SNIP) 2016: 0.792

Open Access
Online
ISSN
1899-7562
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Volume 41, Issue 1

Issues

Effectiveness of Selected Fitness Exercises on Stress of Femoral Neck using Musculoskeletal Dynamics Simulations and Finite Element Model

Jing-Guang Qian / Zhaoxia Li / Hong Zhang / Rong Bian / Songning Zhang
Published Online: 2014-07-08 | DOI: https://doi.org/10.2478/hukin-2014-0033

Abstract

The purpose of the study was to establish a dynamics model and a three-dimensional (3D) finite element model to analyze loading characteristics of femoral neck during walking, squat, single-leg standing, and forward and lateral lunges. One male volunteer performed three trials of the five movements. The 3D kinematic data were captured and imported into the LifeMOD to establish a musculoskeletal dynamics model to obtain joint reaction and muscle forces of iliacus, gluteus medius, gluteus maximus, psoas major and adductor magnus. The loading data LfeMOD were imported and transformed into a hip finite-element model. The results of the finite element femur model showed that stress was localized along the compression arc and the tension arc. In addition, the trabecular bone and tension lines of the Ward's triangle also demonstrated high stress. The compact bone received the greatest peak stress in the forward lunge and the least stress in the squat. However, the spongy bone in the femoral neck region had the greatest stress during the walk and the least stress in the squat. The results from this study indicate that the forward lunge may be an effective method to prevent femoral neck fractures. Walking is another effective and simple method that may improve bone mass of the Ward's triangle and prevent osteoporosis and femoral neck fracture.

Keywords: femoral neck fracture; finite-element model; LifeMOD; exercise; compression; tension

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About the article

*Biomechanics/Sports Medicine Lab, Department of Kinesiology, Recreation, & Sport Studies, The University of Tennessee, 1914 Andy Holt Avenue, Knoxville, TN 37996-2700, USA, Phone: (865) 974-4716 Fax: (865) 974-8981.


Accepted: 2014-06-01

Published Online: 2014-07-08


Citation Information: Journal of Human Kinetics, Volume 41, Issue 1, Pages 59–70, ISSN (Online) 1899-7562, DOI: https://doi.org/10.2478/hukin-2014-0033.

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© 2014 Jing-Guang Qian et. al.. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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