Sustained Sympathicotonia as a Factor in Disease

Interrelationship of the Spine, Rib Cage, and Shoulder

“…51 For the SNS to perform this role, it must receive direct (by segmental somatic afferents) and indirect (by higher centers of the CNS) sensory input from the musculoskeletal system. 51 For the SNS to perform this role, it must receive direct (by segmental somatic afferents) and indirect (by higher centers of the CNS) sensory input from the musculoskeletal system.…”

“…51 For the SNS to perform this role, it must receive direct (by segmental somatic afferents) and indirect (by higher centers of the CNS) sensory input from the musculoskeletal system. 51 Long-term hyperactivity of a particular sympathetic pathway can be deleterious to the associated tissue. 51 Long-term hyperactivity of a particular sympathetic pathway can be deleterious to the associated tissue.…”

“…51 SNS hyperactivity has been associated with, and segmentally related to, musculoskeletal trauma and dysfunction. 51 Some of the consequences of prolonged hyperactivity of the SNS are (1) ischemia because of vasoconstriction, (2) the shortening of tendons, (3) muscle atrophy, and (4) joint contractures. 51 Some of the consequences of prolonged hyperactivity of the SNS are (1) ischemia because of vasoconstriction, (2) the shortening of tendons, (3) muscle atrophy, and (4) joint contractures.…”

Visceral and Somatic Disorders: Tissue Softening with Frequency-Specific Microcurrent

“…38,39 The hypothesis states that such dysfunctions lead to increased resting muscle contractions mediated by the autonomic nervous system and by the c efferent loops regulating local muscle tension or global muscle tone. * Appropriate FSM treatments targeting specific conditions may therefore restore normal autonomic function and/or shift the ''c gain'' regulating muscle tone or tension.…”

“…Korr referred to this hypothesis and its consequences as sustained sympatheticotonia. 39 Sympathetic activation can have both local and systemic effects on cardiac output, distribution of blood flow, heat dissipation through the skin, release of stored metabolites, local muscle tension or systemic skeletal muscle tone, range of motion, and emotional affect. 41 In other words, any injury or inflammation or any somatic or visceral dysfunction anywhere in the body can elevate muscle tone throughout the musculoskeletal system, or increase skeletal muscle tension in selected areas, depending on the myotome, dermatome, or sclerotome involved.…”