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Comments about Grupos musculares - Tipos de contracciones musculares

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Latest Comments

  • Rk Sharma India Types of muscle contractions:- View the video showing how different muscle types contract. 1. Isotonic - the most common type of contraction. For example, bicep curl. By definition, the muscle length changes as tension develops. There are two types of isotonic: Concentric - muscle shortens while contracting. For example, a pull-up exercise. Eccentric - muscle lengthens while contracting. For example, lowering back down from pull-up. 2. Isometric - contraction, but no change in length of muscle fibres; e.g. a contraction against an immovable object such as pushing against a wall. 3. Isokinetic - Tension created from contraction is maximal throughout the range of movement. In an isotonic concentric contraction, the tension is not even throughout the range of movement. It is easier in the last phase of a pull-up than in the first part. With an isokinetic contraction, the tension is the same throughout. Many gym equipment pieces such as 'Hydra' gym operate on this principle. The force applied by the machine is equal to the force exerted by the muscle. In other words, the harder you push, the harder it pushes back.
    2015-02-27 07:02:46

  • Muhammad Saleem Akhtar Pakistan How many types of muscles contractions?
    2015-01-05 11:01:37

  • Zachary Bashore United States of America What are some different types of muscle contractions?
    2014-08-19 16:08:15

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