2. Use the undo and redo commands in Microsoft Office programs. There are three main ways to use the undo and redo commands in Microsoft Office programs on a PC: 1  Click Edit and then select Undo to undo and Repeat to redo. 2  You can find this option on the top left of the toolbar.
seg (plural segs) 1  A metal stud or plate fixed to the sole or heel of a shoe to prevent excessive wear. Also known as a blakey. ( 2 dialect) A callus, an area of hardened skin.
There are two types of EMG: intramuscular EMG and surface EMG. The intramuscular EMG is the most common. It involves inserting a needle electrode through the skin into the muscle that is being studied. Surface EMG (SEMG) involves placing electrodes on the skin over the muscle to detect the electrical activity of the muscle. It is not used as often because it provides less useful information than the intramuscular EMG.