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Abstract

Medicine

Non-invasive Assessment of Dorsiflexor Muscle Function in Mice

Published: January 17th, 2019

DOI:

10.3791/58696

1School of Exercise and Nutrition Sciences, Deakin University, 2Centre for Molecular and Medical Research, School of Medicine, Deakin University, 3Department of Orthopaedics, School of Medicine, University of Maryland, 4Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, 5Department of Physiology, Anatomy and Microbiology, La Trobe University

Abstract

Assessment of skeletal muscle contractile function is an important measurement for both clinical and research purposes. Numerous conditions can negatively affect skeletal muscle. This can result in a loss of muscle mass (atrophy) and/or loss of muscle quality (reduced force per unit of muscle mass), both of which are prevalent in chronic disease, muscle-specific disease, immobilization, and aging (sarcopenia). Skeletal muscle function in animals can be evaluated by a range of different tests. All tests have limitations related to the physiological testing environment, and the selection of a specific test often depends on the nature of the experiments. Here, we describe an in vivo, non-invasive technique involving a helpful and easy assessment of force frequency-curve (FFC) in mice that can be performed on the same animal over time. This permits monitoring of disease progression and/or efficacy of a potential therapeutic treatment.

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Keywords Dorsiflexor Muscle Function

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