It turns out the 45-degree tilt seen in the "Smooth Criminal" video is a mix of illusion, science and some serious athleticism.

Tilt table tests help doctors find possible causes of repeated fainting. During this test, a person lies on a tiltable table. Doctors fasten them to the table before tilting it upright. Doctors may ...

Different body positions change residents’ tissue blood flow and may relate to how wounds heal, according to new research. The optimal position might be a 30° supine tilt. Repositioning is considered ...