Stock market crash. A stock market crash is a sudden dramatic decline of stock prices across a significant cross-section of a stock market, resulting in a significant loss of paper wealth. Crashes are driven by panic as much as by underlying economic factors. They often follow speculative stock market bubbles.
Arthrofibrosis. A build-up of scar tissue in the joint causing restricted movement. âArthroâ means joint, and âfibrosisâ means scarring. Arthrofibrosis usually occurs when there has been excessive scarring on the soft tissue or ligaments and tendons in the joint.rthrofibrosis. A build-up of scar tissue in the joint causing restricted movement. âArthroâ means joint, and âfibrosisâ means scarring. Arthrofibrosis usually occurs when there has been excessive scarring on the soft tissue or ligaments and tendons in the joint.
An ankle clonus is a movement disorder characterized by involuntary waves of muscle contractions in the ankle, occurring in response to stretching the muscles in and around the ankle.It is usually a sign of a neurological disorder, as the body normally prevents such contractions from occurring.n ankle clonus is a movement disorder characterized by involuntary waves of muscle contractions in the ankle, occurring in response to stretching the muscles in and around the ankle. It is usually a sign of a neurological disorder, as the body normally prevents such contractions from occurring.