Repetitive strain injury, or RSI, is ubiquitous in the workplace. If you’re working in an industry that has a high RSI risk, you may want to watch for these symptoms:  Burning, throbbing, cramping, or shooting pain Numbness or loss of sensation in the affected area, frequently accompanied by tremors, incoordination, and clumsiness. Weakness in the muscle groups affected by RSI Difficulty or inability to perform usual day-to-day activities like buttoning shirts, reaching overhead, chopping vegetables and fruits, typing on the keyboard, reaching behind the back, combing hair, lifting objects, and grasping things, among others Quickly tired and low energy You may also feel a pins-and-needles sensation in the affected areas and see visible signs of inflammation in the joints.