Are there recommendations for a safe return to cycling after an injury?

Some recommendations for returning to cycling after an injury would be to start out riding on level surface and try to keep your gearing at a lower level so that you're actually spinning faster, your pedals are moving faster. That puts less torque through the rest of your body. Another would be to ... Another recommendation would be to ride with temperatures above 65 degrees, if the temperature's below 65 degrees to wear some form of tights to keep the legs warm. Another recommendation would be to not increase your mileage more than 10% each week.