Muscle Insertion. The insertion of the muscle is the end of the muscle attaching to the freely moving bone of its joint. Movement happens at joints, with one bone of the joint moving freely while the other remains relatively stationary.
The goal of the Alexander Technique is to teach people to restore an optimal relationship between head and spine, and, when necessary, replace faulty concepts that cause the mis-coordination, what Alexander called âmistaken beliefsâ, with more accurate, constructive concepts.
Part 1 of 2. Weight training, plyo training and cardio training, as effective as they are, only incorporate concentric and eccentric muscle contractions and therefore, if that is the extent of your speed training, you will be missing out on the third key ingredient in sports training, known as isometric contractions.herefore, most of the exercises that you would typically do at a gym by using the various machines and/or dumbbells, etc. involve concentric contractions. Eccentric contractions: An eccentric contraction is a type of muscle contraction where the length of the muscle elongates, or lengthens, while undergoing tension.