More information on modified postural drainage positions as under

Five Year Study Investigating the Effects of Standard Physiotherapy with Head down Tilt (SPT) Compared to Modified Physiotherapy without Head Down Tilt (MPT) on Gastro-Oesophageal Reflux

The Effect of Postural Drainage Positioning on Ventilation Homogeneity in Healthy Subjects

Physiotherapist attitudes and practices regarding head-down and modified postural drainage in the presence of heart disease

Postural drainage therapy

Modified Postural Drainage Positions