The invention pertains to positioning a patient in prone position comprising: positioning a patient in a supine position attaching a chest body contact sheet to the chest of the patient with an attached inflatable chest cushion in the deflated state attaching a pelvic body contact sheet to the pelvic region of the patient with an attached inflatable pelvis cushion in the deflated state transferring the patient from the supine position to a prone position with the chest body contact sheet attached to the chest of the patient and the pelvic body contact sheet attached to the pelvic region of the patient and the patient in the prone position inflating the chest cushion and the pelvis cushion thereby making that the chest cushion and the pelvis cushion together bear the weight of the torso of the patient with the abdominal region of the patient being decompressed. The invention is based on a combination of anatomy and physiology that is used for a reliable positioning the patient which is safe for the patient and safe hygienic and user friendly for the medical team.