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In physiology, medicine, and anatomy, muscle tone (residual muscle tension or tonus) is the continuous and passive partial contraction of the muscles, or the muscle's resistance to passive stretch during resting state. [1] [2] It helps to maintain posture and declines during REM sleep. [3]
Muscles affected in this way have many other potential features of altered performance in addition to spasticity, including muscle weakness; decreased movement control; clonus (a series of involuntary rapid muscle contractions often symptomatic of muscle over-exertion and/or muscle fatigue); exaggerated deep tendon reflexes; and decreased ...
Spastic hypertonia involves uncontrollable muscle spasms, stiffening or straightening out of muscles, shock-like contractions of all or part of a group of muscles, and abnormal muscle tone. It is seen in disorders such as cerebral palsy, stroke, and spinal cord injury. Rigidity is a severe state of hypertonia where muscle resistance occurs ...
Hypotonia is a state of low muscle tone [1] (the amount of tension or resistance to stretch in a muscle), often involving reduced muscle strength. Hypotonia is not a specific medical disorder, but a potential manifestation of many different diseases and disorders that affect motor nerve control by the brain or muscle strength.
Tonus is the Latin equivalent of the English word tone, and may refer to: Muscle tone, the continuous and passive partial contraction of the muscles; Arterial tone, the continuous and passive partial contraction of the arterioles; Tonicity, the ability of a solution to cause water movement; The Pythagorean interval of 9/8
Stretching is a form of physical exercise in which a specific muscle or tendon (or muscle group) is deliberately expanded and flexed in order to improve the muscle's felt elasticity and achieve comfortable muscle tone. [1] The result is a feeling of increased muscle control, flexibility, and range of motion.
Tone (linguistics), the pitch and pitch changes in words of certain languages; Tone (musical instrument), the audible characteristics of a musician's sound; Musical tone, a sound characterized by its duration, pitch, intensity, and timbre; Pure tone, a tone with a sinusoidal waveform; Reciting tone, such as Psalm tone and recitative, as in ...
Exercises can aid fat loss or stimulate muscle hypertrophy, but cannot otherwise improve tone. [1] The size of the muscle can change, as can the amount of fat covering the muscle, but the 'shape' cannot. The words "tone" and "toning" can be misleading as they suggest that spot reduction is possible, which it is not. More accurate descriptions ...