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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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Muscles hold the body erect and makes movement possible. It moves food through the digestive system and aid the flow of blood through the veins. It also moves fluids through the ducts and tubes associated with other body systems.

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Hardening of the body muscles after death. Its a result of the body's loss of ATP. ATP is a substance that gives energy to the body.

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The cardiac potential is a brief change in voltage across the cell membrane in heart cells. This is caused by the movement of charged atoms. Also between the inside and outside of the cell, through proteins called ion channels.

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The capacity of muscle to contract or shorten forcefully. Respond to stimulation of nerves and hormones. It makes it possible for the nervous system and in some cases muscle types, endocrine to regulate muscle activity.

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Its the ability to extend and resume their contracted position. You can increase your elasticity of your muscles by stretching. When a limb in you body is moved in any direction muscle and tendons accommodate by elongating or shortening at various key spots.

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Passive extensibility is an important component of total muscle function. It allows for both non-activated and activated muscles. Maximal muscle lengths contributes to maximal joint range of motion.

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Actin activated myosin II motors power muscle contraction and non-muscle-cell-mobility. Actin-myosin-derived contractility has been most extensively studied in striated muscle. It is also the foundation for smooth muscle contraction and non-muscle-cell mobility.

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Calcium is a crucial part of muscle contractions. The ionic element is released from the muscles during contraction and relaxation. The release of calcium helps propagate the muscle contraction and relaxation stages.

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Myosins comprise a family of ATP-dependent motor proteins and are best known for their role in muscle contractions and their involvement in a wide range of other motility in eukaryotes. They are responsible for actin-based motility. The term was originally used to describe a group of similar ATP passes found in the cells of both striated muscle tissue and smooth muscle tissue.

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Effect of ingestion and assimilation of food and especially of protein in increasing the production of heat in the body. Actin is the most abundant protein in most eukaryotic cells. Its highly conserved and participates in more protein interactions than any known protein.

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The sliding filament theory explains the mechanism of muscle contractions based on muscle proteins that slide one another to generate movement. Filaments of the muscle fibers slide past the myosin   filaments during muscle contractions. While the two groups of filaments remains at relatively constant length.

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It is a form of striated muscle tissue which is under the 'voluntary' control of the somatic nervous system. Most skeletal muscle are attached to bones by bundles of collagen fibers known as tendons. Its one of the three main muscle types.

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Cardiac muscle tissue is an extremely specialized form of muscle tissue that has evolved to pump blood throughout the body. In fact, cardiac muscle is only found in the heart and makes up the bulk of the heart’s mass. The heart beats powerfully and continuously throughout an entire lifetime without any rest, so cardiac muscle has evolved to have incredibly high contractile strength and endurance.

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muscle tissue in which the contractile fibrils are not highly ordered. Occurring in the gut and other internal organs and not under voluntary control. Its also called involuntary muscle.

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condition marked by intermittent muscular spasms, caused by malfunction of the parathyroid glands and a consequent deficiency of calcium. Tetany can be the result of an electrolyte imbalance. Most often, it’s a dramatically low calcium level, known as hypocalciama. But, it can also be caused by magnesium deficiency or too little potassum.

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etanus is an infection caused by bacteria called Clostridium tetani. When the bacteria invade the body, they produce a poison (toxin) that causes painful muscle contractions. Another name for tetanus is “lockjaw”.

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In a tonic seizure, the body, arms, or legs may be suddenly stiff or tense.Tonic seizures usually begin in both sides of the brain. Yet they can also begin in one area.

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Clonic means sustained rhythmical jerking. During a clonic seizure, jerking of the body or parts of the body are the main symptom.They can begin in one area (called focal motor) or affect both sides of the brain (called generalized clonic).

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a sudden involuntary muscular contraction or convulsive movement. Spasms can affect many different types of muscles in the body, leading to many different symptoms.Smooth muscles that are within the walls of hollow organs (like the colon) can go into spasm, causing significant pain

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muscle fatigue is the decline in ability of a muscle to generate force. It can be a result of vigorous exercise. abnormal fatigue may be caused by barriers to or interference with the different stages of muscle contraction.

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1. a thin sheath of fibrous tissue enclosing a muscle or other organ. flat band of tissue below the skin that covers underlying tissues and separates different layers of tissue. Fascia also encloses muscles.

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a flexible but inelastic cord of strong fibrous collagen tissue attaching a muscle to a bone. Its also the hamstring of a quadruped. They also attach muscle to structures.