Why do our muscles get tired and sore after exercise? Explore how our muscles function, and how you can exercise longer without experiencing muscle fatigue.

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You’re lifting weights. The first time feels easy, but each lift takes more and more effort until you can’t continue. Inside your arms, the muscles responsible for the lifting have become unable to contract. What’s going on? Christian Moro explains how exactly our muscles operate, and what causes them to become fatigued.

Lesson by Christian Moro, directed by Nichola Latzgo.

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Ninja Nerds,

In this lecture, Zach Murphy, PA-C will present on the embryology and development of the muscular system. These will include the muscles of the axial and appendicular skeleton. Please enjoy this lecture and be sure to check out all of our social media pages and ways to donate below!

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Hey Kids, do you know how Your MUSCLES GROW? Watch this video and learn how exactly muscles works as Dr. Binocs explains it’s function in his own style only on Peekaboo Kidz.

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Hank tells us the story of the complicated chemical dance that allows our skeletal muscles to contract and relax.

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Table of Contents
1) Cardiac, Smooth, & Skeletal Muscles 01:09
2) Muscle Anatomy 02:03
a) Muscle Fibers 03:07
b) Myofibrils 04:15:1
c) Sarcomeres 04:19:1
d) Myofilaments 04:37:2
3) Biolography 05:37:1
4) Sliding Filament Model 07:47

References for this episode can be found in the Google document here: http://dft.ba/-3syE

crash course, crashcourse, biology, muscular system, muscle, cellular respiration, energy, ATP, human body, chemistry, cardiac muscle, smooth muscle, skeletal muscle, contract, relax, tendon, anatomy, physiology, fascicle, fibers, protein, myofibril, sarcomere, myofilament, actin, myosin, sliding filament model, biolography, electron microscope, tropomyosin, troponin, sarcoplasmic reticulum, motor neuron Support CrashCourse on Patreon: https://www.patreon.com/crashcourse
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Muscular has proven too powerful for Deku to handle alone, so he decides he has to face off against a hopelessly strong opponent to allow Kota to escape! Watch My Hero Academia on Crunchyroll: https://got.cr/Watch-MHA

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The muscular system is made up of over 600 muscles. While we won’t be covering all 600 plus individual muscles in this overview video, we will be discussing the …
– Main functions of the muscular system
– 5 major properties of the muscular system
– 5 types of muscle movements withing the muscular system
– 3 types of muscles within the muscular system
– and how all of this works together to make up the muscular system.

Now there is much more to discuss about the muscular system but that’s as far as we will go in this introductory video. After watching this video you should at least have a basic understanding of what makes up the muscular system, its properties and functions. For a more in depth study of the muscular system, look for future CTE videos where we will cover topics such as the 14 major muscle groups, as well as topics such as common diseases and conditions specific to the muscular system.

The primary purpose for the Muscular system is to provide movement for the body. The muscles receive their ability to move the body through the nervous system.

CTE, Skills, Video, Muscular, System, Muscular System, Muscles, adduction, abduction, flexion, extension, rotation, cardiac, visceral, skeltal, voluntary, involuntary, tendons, tendon, fascia, fasciae, nervous system, abdominal, biceps, deltoid, erector, spinae, gastrocnemius, soleus, gluteus, ham strings, dorsi, obliques, pectoralis, quadriceps, trapezius, triceps,

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Each time you take a step, 200 muscles work in unison to lift your foot, propel it forward, and set it down. It’s just one of the many thousands of tasks performed by the muscular system: this network of over 650 muscles covers the body and is the reason we can blink, smile, run, jump, and stand upright. So how does it work? Emma Bryce takes you into the body to find out.

Lesson by Emma Bryce, directed by Viviane Leezer.

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We’re kicking off our exploration of muscles with a look at the complex and important relationship between actin and myosin. Your smooth, cardiac, and skeletal muscles create movement by contracting and releasing in a process called the sliding filament model. Your skeletal muscles are constructed like a rope made of bundles of protein fibers, and that the smallest strands are your actin and myosin myofilaments. Its their use of calcium and ATP that causes the binding and unbinding that makes sarcomeres contract and relax.

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Table of Contents
Smooth, Cardiac, and Skeletal Muscles Create Movement 1:18
Sliding Filament Model 4:52
Skeletal Muscles Are Made of Bundles of Protein Fibers 2:40
Actin and Myosin Myofilaments 3:54
Calcium and ATP Cause the Binding and Unbinding 5:05

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