Muscles, attached to bones or internal organs and blood vessels, are responsible for movement. Nearly all movement in the body is the result of muscle contraction. Exceptions to this are the action of cilia , the flagellum on sperm cells, and amoeboid movement of some white blood cells. Stiff neck muscles, weak back muscles, or tight hip muscles can throw off your alignment.
Poor posture can affect parts of your body and lead to joint pain and weaker muscles. These parts include the:. The muscular system is a complex network of muscles vital to the human body. Muscles play a part in everything you do.
They control your heartbeat and breathing, help digestion, and allow movement. Muscles, like the rest of your body, thrive when you exercise and eat healthily. But too much exercise can cause sore muscles. Muscle pain can also be a sign that something more serious is affecting your body.
Talk to your doctor if you have one of these conditions. They can help you find ways to manage your health. Muscle knots can be painful, but they are treatable. We explain your treatment options and when you should see a doctor. There are several dietary supplements that can help increase muscle mass and strength. Here are the 6 best supplements to gain more muscle. When it comes to gaining lean muscle, what you eat matters.
This article takes a look at the top 26 muscle-building foods. Strength training is an important part of an exercise routine. Learn how muscles are made, which foods fuel a strong body, and how to get started. A muscle strain, or pulled muscle, occurs when your muscle is overstretched or torn. Muscles play a part in all functions of the body, from heartbeat and breathing to running and jumping.
When muscles become damaged, it can impact movement, speech, and much more. A person should see a doctor if they notice signs of muscular weakness or pain that they cannot explain. A doctor can decide the problem and come up with an appropriate treatment plan. A look at how long it takes to build muscle by working out.
Included is detail on macronutrients and the best way to build muscle safely and…. Muscle stiffness is when the muscles feel tight and difficult to move. Most cases can be treated with home remedies, but some require medical…. Learn all about intercostal muscle strain, when the muscles between the ribs are damaged.
We look at the signs, causes, and treatment options here. Muscle knots are small, bump-like areas of muscle that can be painful to the touch. The medical term for muscle knots is myofascial trigger points.
Muscular dystrophy is one of a group of genetic diseases characterized by progressive weakness and degeneration of the muscles that control movement…. What are the main functions of the muscular system?
How the muscular system works Main functions Fun facts Takeaway The muscular system consists of various types of muscle that each play a crucial role in the function of the body. How the muscular system works. Eleven main functions of the muscular system. Share on Pinterest The muscular system allows for movement within the body, for example, during digestion or urination. Five fun facts about the muscular system.
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Smooth muscle cells are often rounded at the center and tapered off at the sides. Smooth muscle is involuntary. Each cell contains chains of filaments that can connect it to other neighboring cells, forming a mesh-like network that allows the cells to contract uniformly.
Cardiac muscle is found only in your heart. You may also see this type of muscle referred to as the myocardium. The myocardium is one of the three layers of tissue in your heart. Similar to skeletal muscle, cardiac muscle is organized into fibers and has a striated appearance. Individual cardiac muscle cells are closely connected to each other, which helps enable your heart to beat in a coordinated fashion.
Like smooth muscle, cardiac muscle is involuntary. It contracts in response to electrical impulses created by a special type of cell in your heart. Skeletal muscles can be found in all areas of your body. Here is a diagram of some of the most well-known and most used skeletal muscles, and what they do. You may also see skeletal muscles divided according to which area of the body they serve, such as:.
This includes the muscles that move your shoulders, arms, wrists, and hands. Examples of important muscles in this area include:. This area involves the muscles that move your legs and feet. Some examples that you may be familiar with are:.
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