ATP and muscle contraction

ATP is critical for muscle contractions because it breaks the myosin-actin cross-bridge, freeing the myosin for the next contraction. Read more about atp and muscle contraction in the Boundless open textbook.

Muscle contraction and relaxation. Interdigitation of thick and thin filaments allows sarcomere contraction, which is best explained by the sliding filament model in which actin filaments slide along myosin filaments. During contraction, both sets of filaments retain their normal length, A bands remain unchanged in length, I bands shorten, and H zones are narrowed.

Muscle contraction and relaxation. Interdigitation of thick and thin filaments…

There are three types of muscle contractions - isometric, concentric and eccentric. Eccentric contractions are likely to cause more severe #DOMS than other contractions.

surge-to-new-levels-with-fitness: “ Eccentric Training for Mass, Strength, and Flexibility Eccentric training refers to the negative portion of any movement. At this time the muscle lengthen in.

An Animated Guide to the Human Body: Muscles by tabletopwhale #Infographic #GIF #Muscles

An animated guide to the human body, muscle edition via tabletop whale I’ve never made an animation this complex before, and I had a ton of fun with it. I’m definitely planning on more …

Diagram of muscle tissue.  I love this.  No wonder we are so strong!  Look at all those fibers packed in there!  I remember learning this in Anatomy and Physiology and nerding out :-)

Diagram of muscle tissue. I love this. No wonder we are so strong! Look at all those fibers packed in there! I remember learning this in Anatomy and Physiology and nerding out :-)

This is page of muscle notes. It puts the process in a diagram form that makes it more applicable for learning the steps.

This is page of muscle notes. It puts the process in a diagram form that makes it more applicable for learning the steps.

Basic mechanism of muscle contraction | smooth muscle | skeletal muscle |

This diagram lists the basic steps of both smooth and skeletal muscle contraction. It starts from when the muscle gets excited and walks down to the muscle contraction.

Always a good review. Chapter 9: Muscles and Muscles Tissue

It's always important to understand the mechanics behind anything you do. This diagram helps explain how the nervous systems interacts with muscle, and muscle fibers to signal a muscular contraction.

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