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.
The true ankle joint is responsible for the up-and-down motion of the foot. Beneath the true ankle joint is the second part of the ankle, the subtalar joint, which consists of the talus on top and calcaneus on the bottom. The subtalar joint allows side-to-side motion of the foot. The ends of the bones in these joints are covered by articular cartilage (1).