This document discusses repetitive strain injury (RSI), which affects many computer and office workers. It notes that RSI occurs due to repetition of tasks, stress, and improper body mechanics. Common types of RSI include carpal tunnel syndrome, back problems, and tendonitis. Symptoms include pain, numbness, and loss of strength. The document recommends seeking medical help from specialists and implementing preventative measures like proper ergonomics, postural training, stretches, and taking breaks to reduce the risk of RSI.