knee –n. the joint between the upper and lower leg
custody –n. the state of being kept in a prison or jail, or being held by police
escalate –v. to become worse or to make (something) worse or more severe
conscious –adj. awake and able to understand what is happening around you
choke –v. to cause (someone) to stop breathing by squeezing the throat
precision –adj. done in a very careful and exact way