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over time and after repeating movements, your muscles may begin to feel weaker and tired. This can be defined as muscle fatigue.Muscle fatigue is a symptom that decreases your muscles’ ability to perform over time. While exercise is a common cause of muscle fatigue, this symptom can be the result of other health conditions, too.

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sliding filament theory, Overlapping actin and myosin (thick) filaments of muscle fibers slide past the actin (thin) filaments during muscle contraction, while the two groups of filaments remain at relatively constant length.

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is the ability to respond to a stimulus, which may be delivered from a motor neuron or a hormone. The ability of a muscle fiber to respond rapidly to a stimulating agent.For a muscle to contract and do work, its cells must be stimulated, most often by the nerves supplying them.

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elasticity complex is the natural ability of your musculo skeletal system to 'return to its original state'.

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extensibility, and elasticity: Contractility is the ability of muscle cells to forcefully shorten. ... Elasticity is the ability to recoil or bounce back to the muscle's original length after being stretched.

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Contractility is the ability of muscle cells to forcefully shorten. ... Elasticity is the ability to recoil or bounce back to the muscle's original length after being stretched.

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Calcium triggers contraction by reaction with regulatory proteins that in the absence of calcium prevent interaction of actin and myosin

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Toxic Effects of Dairy and Calcium Supplements

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5. Calcium and the Biochemistry of Muscle Contraction (Invertebrate)

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Muscle calcium and the biochemistry of actin -myosin crosslinking for contraction by striated muscle of invertebrate animals.

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the ability of a cell to depolarize itself, reach threshold potential, and produce a propagated action potential; cells with this capability are called automatic cells. the state or quality of being spontaneous, involuntary, or self-regulating.

. the capacity of a cell to initiate an impulse without an external stimulus.

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Rigor mortis is the reason why the word "stiff" is a slang term for a dead body. Two or three hours after a person or animal dies, the muscles start to stiffen. This phenomenon progresses in a downward, head-to-toe direction. In 12 to 18 hours the body is, as the saying goes, stiff as a board. At this stage, you can move the joints only by force, breaking them in the process.

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a fibrous globulin of muscle that can split ATP and that reacts with actin in muscle contraction to form actomyosin.They are responsible for actin-based motility.Most myosin molecules are composed of both a head and a tail domain.

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Actin is a highly conserved, key cytoskeletal protein involved in numerous structural and functional roles. In neurons, actin has been intensively investigated in axon terminals—growth cones—and dendritic spines, but details about actin structure and dynamics in axon shafts have remained obscure for decades. A major barrier in the field has been imaging actin.

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its long, thin, multinu cleated fibres are crossed with a regular pattern of fine red and white

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Cardiac muscle tissue is one of the three types of muscle tissue in your body.  Cardiac muscle tissue is only found in your heart, where it performs coordinated contractions that allow your heart to pump blood through your circulatory system.Cardiac muscle tissue works to keep your heart pumping through involuntary movements.

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Smooth muscle is found in the walls of hollow organs such as the Stomach, Oesophagus, Bronchi and in the walls of blood vessels.  Smooth muscle is also sometimes known as Involuntary muscle due to our inability to control its movements, or unstriated as it does not have the stripy appearance of Skeletal muscle   voluntary, shaped like long fibers, multinucleated.

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Tetany is a disorder of increased neuronal excitability usually associated with hypocalcemia.  Tetany is a disorder characterized by enhanced neuromuscular excitability that is caused by various metabolic abnormalities. Irrespective of the causative factors, the variable clinical presentation can range from asymptomatic patients to life-threatening emergencies.

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Clonic spasms refer to alternating involuntary muscular contraction and relaxation in quick succession. Tonic spasms are rigid muscle contractions that last a period of time.

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Tetanus is a serious bacterial disease that affects your nervous system, leading to painful muscle contractions, particularly of your jaw and neck muscles.   Tetanus can interfere with your ability to breathe and can threaten your life. Tetanus is commonly known as "lockjaw."

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The muscular system creates movement. The primary function of muscular system is to produce voluntary gross and fine movements. ...

It protects the organs. ...

The cardiac muscle pumps blood. ...

Smooth muscle aids digestion. ...

Smooth muscle ensures blood flow.

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The Muscular System Explained In 6 Minutes

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a thin sheath of fibrous tissue enclosing a muscle or other organ.

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an involuntary and abnormal muscular contraction. A muscle spasm can be quite painful, with the muscle clenching tightly.   Spasms in various types of tissue may be caused by stress, medication, and overexercise.

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a flexible but inelastic cord of strong fibrous collagen tissue attaching a muscle to a bone.