In-vitro tensile testing machine for vibration study of fresh rabbit Achilles tendon

Gian Marco Revel; Alessandro Scalise; Lorenzo Scalise; Antonella Pianosi

doi:10.1117/12.446700

23 October 2001 In-vitro tensile testing machine for vibration study of fresh rabbit Achilles tendon

Gian Marco Revel, Alessandro Scalise, Lorenzo Scalise, Antonella Pianosi

Author Affiliations +

Proceedings Volume 4606, Laser Florence 2000: A Window on the Laser Medicine World; (2001) https://doi.org/10.1117/12.446700
Event: Laser Florence 2000: A Window on the Laser Medicine World, 2000, Florence, Italy

Abstract

A lot of people, overall athletic one suffer from tendinitis or complete rupture of the Achilles tendon. This structure becomes inflamed and damaged mainly from a variety of mechanical forces and sometimes due to metabolic problems, such as diabetes or arthritis. Over the past three decades extensive studies have been performed on the structural and mechanical properties of Achilles tendon trying to explain the constitutive equations to describe and foresee tendon behavior. Among the various mechanical parameters, the vibrational behavior is also of interest. Several investigations are performed in order to study how the Achilles tendon vibrations influence the response of the muscle proprioception and human posture. The present article describes how in vitro tensile experiments can be performed, taking into account the need to simulate physiological condition of Achilles tendon and thus approaching some opened problems in the design of the experimental set-up. A new system for evaluating tendon vibrations by non contact techniques is proposed. Preliminary simple elongation tests are made extracting the main mechanical parameters: stress and strain at different fixed stretches, in order to characterize the tissue. Finally, a vibration study is made at each pretensioned tendon level evaluating the oscillating curves caused by a small hammer.

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Gian Marco Revel, Alessandro Scalise, Lorenzo Scalise, and Antonella Pianosi "In-vitro tensile testing machine for vibration study of fresh rabbit Achilles tendon", Proc. SPIE 4606, Laser Florence 2000: A Window on the Laser Medicine World, (23 October 2001); https://doi.org/10.1117/12.446700

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