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Tendons are tough cord like tissue that connects muscle to bone. Tendons helps bones to move. They also attach to other structures like eyeballs.

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Fascia is connective tissue. It provides a framework that helps support and protect individual muscle groups. We all have a layer of this connective tissue directly under out skin. This gives us another barrier between the skin and other deeper softer tissue

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Muscle fatigue is when the muscle is declined to generate enough force to carry out a task. Muscle become fatigued when participating in long vigorous activities like exercise. Muscle fatigue is associated with exhaustion. Other causes of muscle fatigue can be anxiety, anemia, cerebral palsy and dehydration.

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Muscle spasm are sudden muscular contraction which are involuntary. Muscle spasm usually happen in the thighs, calves, hands and abdomen. Many people call spasms "Charley horses". Spams are often associated with dehydration, muscle fatigue, insufficient stretching before exercises and exercising in heated temperature. Infants, the elderly, and athletes are more prone to have spasms.

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Clonic spams are the alternating involuntary muscular contraction and relaxation in quick succession. On the other hand, tonic spasms are rigid muscular contractions that last a period of time. Clonic spasm aren't severe. The common clonic spasm is the hiccups.

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5 basic functions of the muscular system

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5 basic functions of the muscular system

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Without our muscular system we wouldn't be able to a lot of things. The skeleton system does give you support and structure in the body but you can't move with only bones. The muscular system provides mobility so we cab swim, write and give off facial expressions. We also have stability, posture, circulation and respiration with our muscle.

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Out of the 2 out of 3 muscles I've talked about previously, the skeletal muscle are the only muscles that can be consciously controlled. They are atached to our bones. They help carry out tasks like writing, chewing and running. Contracting the musles causes movement in those bones

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The cardiac muscle is only located in the heart. The cardiac muscle pumps blood around the body and it stimulates its own contractions that form our heartbeat. These muscles are very strong and our involuntarily

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These muscle line the inside of blood vessels and organs. They are visceral muscle and also the weakest type of muscle. Without these type of muscle, we wouldn't be able to move food through our digestive system or maintain blood circulation.

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Tetanus is a serious disease that affects our nervous system. It leads to painful muscle contractions especially in the jaw and neck muscle. Tetanus is life threating and can interfere your ability to breathe. With the vaccine in the US, tetanus is very rare.

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Actin are proteins that forms in the muscle cells and also involved in motion in other type of cells. It is the most abundant protein in most eukaryotic cells. Actin was first observed in 1887 by W.D. Halliburton.

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Myosin is another fibrous protein that forms in the muscle cells. Actin and Myosin work together in most eukaryotic cells. Myosin converts ATP into mechanical energy.

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The theory is muscle contraction when actin and myosin filaments of striated muscle slide over each other to shorten the length of the muscle fibres. This was first introduces in '54 by two research teams. People like Szent-Gyorgyi refused to believe this theory.

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Just like how calcium is good for your bones, calcium also is very god for your muscles. Muscles contract through the sliding filament theory but you can't go through this process without calcium. The muscle stores the calcium necessary for contraction. Also when muscular calcium runs low you become fatigue.

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One of the many functions of the muscle tissue provide for us is contractility. Our muscle generate a constant contractile force thus giving the ability have our posture. Muscles are usually paired so when one contracts the other is stretched.

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A property of the muscle is elasticity. This is the ability to bounce back to muscle original length after being stretched. There is a disease of muscle elasticity. This is Ehlers-Danros syndrome which can cause hypermobility, weakness of tissues and easy bruising.

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The ability of cell to reach threshold potential and respond to stimulus. The greater the stimulus needed to activate cell, the less excitable the cell. The lower the stimulus needed to activate cal, the more excitable

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Most of our cells don't stretch and if they do it can cause a lot of damage. On the other hand, our muscles with their long cylinder cells are able to stretch. Our muscles require the property of elastic recoil for them to be able to do their jobs

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Automaticity is the ability to spontaneously generate an electrical impulse. These muscle cells in the heart are unique. This aids in accurate cardiac rhythm. This generates an action potential.

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Rigor Mortis is the stiffening of the joints and muscle a few hours after death. This usually last for one to four days. Muscle fibers rely on the conversion of ATP to ADP and after death the pH decreases which causes Rigor Mortis. The muscles in the face and neck are affected first then it spreads backwards over the trunk and limbs.

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Tetany involves overly stimulated neuromuscular activity. This is most often in the hands and feet. Tetany can be the result of an electrolyte imbalance. Sometimes toxins can cause tetany.