1. A stretching appliance, comprising:a floor plate (9) having a mast (6, 8) upwardly disposed on said floor plate (9) and having an adjustable height;
a rest mounted on said mast and being configured for supporting a human body, said rest is pivotably mounted to said mast (6, 8) and is being configured to pivot about a horizontal axis (42);
shoulders restraining means adjustably mounted on a first end of said rest and being configured to hold shoulders of a human body laying on said rest;
feet restraining means adjustably mounted on a second end of said rest and being configured to hold feet of the human body laying on said rest; and
an adjusting mechanism configured for adjusting distance between said shoulder restraining means and feet restraining means by way of pivoting the rest about the horizontal axis.