In Western culture, the finger or the middle finger is an obscene hand gesture. The gesture communicates moderate to extreme contempt, and is roughly equivalent in meaning to "fuck off," "fuck you," "shove it up your ass," "up yours," or "go fuck yourself." It is performed by showing the back of a hand that has only the middle. 27 May Then four of you gathered around, and were told to try to lift the subject using either just one single finger, or your two index fingers joined into a single lifting unit from your two clenched hands. As you would expect, you couldn't lift them ( either with a single finger, or with two fingers joined together). Then. Place your index finger behind the ramus of the mandible. Ask the patient to open the mouth and leave it slightly ajar. This opens the retromandibular space (Fig. ). Move your index finger (sometimes the little finger) as far cephalad as possible, until you feel a sensitive spot. (Try this on yourself; the nerve is easy to find.