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A tendon is a tough, high-tensile-strength band of dense fibrous connective tissue that connects muscle to bone.

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Fascia is a thin casing of connective tissue that surrounds and holds every organ, blood vessel, bone, nerve fiber and muscle in place

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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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1: Muscles hold the body erect
2: Make Movement possible
3: Move food through the digestive system
4: Muscle movement aids the flow of blood through the veins
5: Muscle action moves fluid through the ducts and tubes with other body systems
6: Generating body heat

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Muscle fatigue is the decline in ability of muscles to generate force.

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a sudden involuntary muscular contraction or convulsive movement

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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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A serious bacterial infection that causes painful muscle spasms and can lead to death

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1. a condition marked by intermittent muscular spasms, caused by malfunction of the parathyroid glands and a consequent deficiency of calcium.

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Smooth muscle, also called involuntary muscle, muscle that shows no cross stripes under microscopic magnification. ... Smooth muscle tissue, unlike striated muscle, contracts slowly and automatically. It constitutes much of the musculature of internal organs and the digestive system

Appearance: Smooth muscle, also called involuntary muscle, muscle that shows no cross stripes under microscopic magnification

Involuntary

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Cardiac muscle is an involuntary striated muscle tissue found only in the heart and is responsible for the ability of the heart to pump blood.

Appearance: Cardiac muscle cells are located in the walls of the heart, appear striped (striated)

Involuntary

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Skeletal muscles (commonly called Muscles) are organs of the vertebrate muscular system that are mostly attached by tendons to bones of the skeleton. The muscle cells of skeletal muscles are much longer than in the other types of muscle tissue, and are often known as muscle fibers.

Appearance: Skeletal muscles are long and cylindrical in appearance; when viewed under a microscope, skeletal muscle tissue has a striped or striated appearance

Voluntary

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The sliding filament theory explains the mechanism of muscle contraction based on muscle proteins that slide past each other to generate movement

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a protein that forms (together with myosin) the contractile filaments of muscle cells, and is also involved in motion in other types of cell

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a fibrous protein that forms (together with actin) the contractile filaments of muscle cells and is also involved in motion in other types of cells

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Calcium helps regulate muscle contraction. When a nerve stimulates a muscle, the body releases calcium

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Contractility is the ability of muscle cells to forcefully shorten. Contractility allows muscle tissue to pull on its attachment points and shorten with force. ( muscles can only pull, never push.)

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Extensibility is the ability of a muscle to be stretched.

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Tissue elasticity is the ability to stretch a muscle to reach its full range of movement without restriction

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Excitability is the ability to respond to a stimulus, which may be delivered from a motor neuron or a hormone

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Automaticity is defined as the ability of heart cells to spontaneously depolarize and generate an action potential

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Rigor mortis is a postmortem change resulting in the stiffening of the body muscles due to chemical changes in their myofibrils