The Sims' position, named after the American surgical pioneer James Marion Sims (1813-1883), is a position usually used for rectal examination, temperature taking, treatments and enemas. It is performed by having a patient lie on their left side, left leg extended and right leg flexed.
The position is described as follows:
- Patient lies on their left side.
- Patient's left leg is extended behind their back.
- The patient's right leg is brought forward.