Getting Started. To start Vi, open a terminal or console and simply type vi (without the quotation marks) followed by the name of any existing file or a new file you want to create. Vi works in two main modes, one for editing text and the other for giving commands.To switch between the two modes you use the I and Esc keys.etting Started. To start Vi, open a terminal or console and simply type vi (without the quotation marks) followed by the name of any existing file or a new file you want to create. Vi works in two main modes, one for editing text and the other for giving commands.
(May 2009) Hypermobility, also known as double-jointedness, describes joints that stretch further than normal. For example, some hypermobile people can bend their thumbs backwards to their wrists, bend their knee joints backwards, put their leg behind the head or perform other contortionist tricks. It can affect one or more joints throughout the body.
The cause of TMJ disorders is not clear, but dentists believe it arises from problems with the muscles of the jaw or with the parts of the joint itself. Injury to the jaw, temporomandibular joint or muscles of the head and neck-such as from a heavy blow or whiplash-can cause TMJ disorders. Other possible causes include:1  Grinding or clenching the teeth, which puts a lot of pressure on the TMJ. 2  Dislocation of the soft cushion or disc between the ball and socket.njury to the jaw, temporomandibular joint or muscles of the head and neck-such as from a heavy blow or whiplash-can cause TMJ disorders.