Fig. 24
From: Physiotherapy scoliosis-specific exercises – a comprehensive review of seven major schools
(a, b, c, d): Schroth Body Blocks. The Schroth system of scoliosis curve classification is derived from the Schroth principle of dividing the body into “body blocks” as pictured anatomically (a) and schematically (b). Scoliosis causes the body blocks to become deformed, changing their geometric shape from a rectangle (b) to a trapezium (c). A patient with a major lumbar scoliosis left convex curve has a lumbar block shifted to the left and a hip-pelvic block shifted to the right (d)