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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.
In physiology, muscle tone is the resistance of muscles to passive stretch during a relaxing state and also the low-level contraction or rigidity of muscles when they are at rest. Essentially, its function is to make your muscles feel rather strong during rest while not deliberately tensing them.
Muscle tone is the maintenance of partial contraction of a muscle, important for generating reflexes, maintaining posture and balance, and controlling proper function of other organ systems. Tone is controlled by the sensory muscle spindle, which measures muscle stretch.
Definition. Muscle tone refers to the continuous and passive partial contraction of the muscles, which helps maintain posture and provides a state of readiness for action. This tension arises from the combination of neural activation and muscle fiber recruitment, allowing muscles to remain firm even when at rest.
Muscle tone is particularly evident in muscles that are opposing the effects of gravity and maintaining body posture. The degree of muscle tone can be judged by the ease with which joints can be passively stretched and flexed.
Muscle tone is traditionally defined as ‘the tension in the relaxed muscle’ or ‘the resistance, felt by the examiner during passive stretching of a joint when the muscles are at rest’ [1].
This continuous, low-level contraction, known as muscle tone, serves important physiological functions. It plays a critical role in stabilizing joints and sustaining posture, ensuring that our bodies remain upright and stable.
Muscle tone. (1) The muscle in a steady partially contracted state caused by the successive flow of nerve impulse s. (2) The amount of tension or resistance to movement in a muscle. Muscle tone or tonus helps in maintaining body posture.
Definition. Muscle tone refers to the continuous and passive partial contraction of the muscles, which helps maintain posture and stability in the body. It is essential for supporting the body's position against gravity and enables coordinated movement.
Muscle tone, also known as muscle tonus or residual muscle tension, is an unconscious low level contraction of your muscles while they are at rest. Essentially, muscle tone is what makes your muscles still feel somewhat firm while you are resting and not intentionally tensing them.