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Nervous tension immediately tightens every muscle and nerve in the body and restricts the normal action and free and rhythmic flow of the various circulations. It holds the poisons in the body preventing their free exudation and by their presence creates more poisons.
Muscle Tension Definition. Muscle tension refers to the condition in which muscles of the body remain semi-contracted for an extended period.Muscle tension is typically caused by the physiological effects of stress and can lead to episodes of back pain.Stress may change the body's nervous system by constricting blood vessels and reducing blood flow to the soft tissues, including muscles, tendons, and nerves in the back.uscle tension is typically caused by the physiological effects of stress and can lead to episodes of back pain. Stress may change the body's nervous system by constricting blood vessels and reducing blood flow to the soft tissues, including muscles, tendons, and nerves in the back.