Figure 5
From: A specific scoliosis classification correlating with brace treatment: description and reliability

Transitional Point Offset. The Transitional Point ("TP") is defined as the middle point between the lower end vertebra (LEV) of the thoracic curve and the upper end vertebra (UEV) of the caudal curve. The position of the transitional point between the thoracic curve and any caudal curve according the Central Sacral Line ("CSL") defines 'transitional point offset'.