Month: June 2020
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Muscular system
Comprised of skeletal, visceral, and cardiac muscle tissue. There are more than 600 muscles in the human body. The muscles in the body, usually applied only to striated muscles. The more than 600 muscles that are attached to and supported by the bones of the skeleton. These muscles shorten or lengthen to move the bones…
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Muscular strength
The maximum force that can be exerted by a muscle or muscle group against a resistance. Ability of the muscle to generate the maximum amount of force. The ability to contract skeletal muscles to engage in work. Muscular strength is the ability of a muscle to exert one maximal force against resistance. The capacity of…
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Muscular endurance
The capacity of a muscle to exert force repeatedly or to hold a fixed or static contraction over time. The ability to perform repetitive work over a prolonged period of time. The ability’ of a muscle or muscle group to repeatedly exert force against a resistance. Ability of the muscle to perform repetitive contractions over…
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Muscular dystrophy (MD)
An inherited disorder that affects skeletal muscle structures when muscle cells are progressively destroyed and replaced with fat tissue. A genetic disease caused by a defect in the X chromosome; first recognized by G. A. B. Duchenne in 1858. Afflicts males almost exclusively because males have only one X chromosome, whereas females inherit two copies…
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Muscular conditioning
A segment of class designed to isolated specific muscle groups in order to promote strength or endurance through resistance training.
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Muscle spindle
A sensory organ in the muscle that relays information about length and speed of stretch to the central nervous system. A type of receptor, located among the fibers of a skeletal muscle that responds to muscle contraction (stretch). One of the sensory receptors which lie along striated muscle fibres. A specialized receptor, sensitive to stretch,…
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Muscle balance
Balance in strength and flexibility in muscle pairs allowing for proper posture and stability in the body.
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Multiple sclerosis (MS)
A chronic, potentially debilitating disease that affects the central nervous system relating to scarring of the myelin sheaths surrounding the nerves in the brain and spinal cord. A CNS disease that decreases myelin, a sheath on the nerve fibers that is key to fast nerve transmission, thereby disrupting electrical impulses to and from the brain.…
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Multiarticulate
A muscle that spans three or more joints.
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Movement or step cue
A transitional cue that expresses the basic movement that is being performed.