Title: Failure analysis of ACL and Hertz contact stress in human knee

Authors: Bhaskar Kumar Madeti; Chalamalasetti Srinivasa Rao; B.S.K. Sundara Siva Rao

Addresses: Department of Mechanical Engineering, Gayatri Vidya Parishad College of Engineering (A), Visakhapatnam, India ' Department of Mechanical Engineering, AU College of Engineering, Andhra University, Visakhapatnam, India ' Department of Mechanical Engineering, AU College of Engineering, Andhra University, Visakhapatnam, India

Abstract: This paper gives a clear idea of knee movement. The knee is a very complicated structure. Here we discuss about the failure analysis of the ACL ligament and the various forces acting on the knee. Hertz contact stress on knee joint is determined for three different human postures (standing, staircase ascent and descent), and the significance of the kneecap and the articular cartilage are considered. The failure analysis of the ACL ligament in the human knee is done taking into consideration all these factors.

Keywords: ACL ligament; Hertz contact stress; axial compressive force; quadriceps muscle force; failure analysis; human knee; knee movement; knee joint stress; standing; staircase ascent; staircase descent; kneecap; articular cartilage.

DOI: 10.1504/IJBET.2014.066225

International Journal of Biomedical Engineering and Technology, 2014 Vol.16 No.4, pp.317 - 328

Received: 02 Jul 2014
Accepted: 07 Sep 2014
Published online: 25 Apr 2015 *

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