Respiratory Continuum
Cervical fascia · Thorax · Diaphragm · Pelvic floor
Moderate evidence — functional respiratory chain
Pretracheal fascia → endothoracic fascia → diaphragm → transversalis fascia → endopelvic fascia → pelvic floor
Structures
Muscle references
DiaphragmTransversus abdominisPelvic floor muscles
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Functional respiratory-postural chain linked via intra-abdominal pressure regulation, not a single anatomically continuous fascial sheet end-to-end.
Sources
Postural and Respiratory Functions of the Pelvic Floor Muscles
Hodges PW, Sapsford R, Pengel LH · Neurourology and Urodynamics, 2007