Muscle testing, also known as applied kinesiology or manual muscle testing (MMT), is a non-invasive technique based on Sir Isaac Newton’s Laws of Motion: “For every action in nature there is ...

Background The MRC 0–5 grading system is ubiquitously used to measure muscle strength. However, its criterion status is undermined by insensitivity of grades 4 and 5, which reduce its ability to ...

This article explains what muscle strength is and the two ways to measure it: manual muscle testing and dynamometric testing. Muscle strength is defined as the ability of a muscle to tighten (contract ...