Figure 2.
General characteristics of low-intensity therapeutic ultrasound (LITUS), extracorporeal shockwave therapy (ESWT), and radial shockwave therapy (RSWT). ESWT achieves nonlinear shock waves at the focus, while LITUS operates at much lower acoustic energy to produce linear waves. RSWT energy lies in between the other two therapies. (ISATA = spatially-averaged temporally-averaged intensity; EFD = energy flux density)