Exsanguination itself originated from Latin: "ex" ("out of") and "sanguis" ("blood"). Exsanguination is used as a method of slaughter. Before the fatal incision is made, the animal may be rendered insensible to pain by various methods, including captive bolt, electricity or chemical. Without prior sedation, stunning or anesthetic, this method of slaughter causes a high degree of anxiety, although other religiously funded studies contradict these findings. The captive bolt is placed against the skull of the animal, and penetrates to cause tissue destruction in the brain, incapacitating the animal so that the procedure may take place. Electricity is used mostly to
McKenzie method component of the McKenzie method is the corresponding repeated and/or sustained flexion and extension movements as prescribed by the assessment component. ‘‘Everything I know I learnt from my patients. I did not set out to develop a McKenzie method. It evolved spontaneously over time as a result of clinical observation’’ - Doctor Robin McKenzie. The McKenzie method has its roots in a single event in 1956 that led to increased experimentation of certain movement in order to elicit what is now known as the centralisation phenomenon. A patient who was experiencing pain on the right side of his lower back