Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to prevent repetitive motion injury [title] Take regular breaks. [step] This is the easiest way to prevent repetitive motion injuries. Repetitive motion injuries (rmis) occur when a muscle or connective tissue is used too frequently to repair itself.

Ending1: In order to avoid rmis, plan to take breaks every 3-5 hours as needed. [substeps] Regular breaks are about 15 minutes spaced. Ending2: These occurs because for instance, the tendons and ligaments are damaged to the core. When you cannot prevent repetitive motion injuries, you should work on maintaining a regular schedule of breaks. Ending3: A broken muscle may cause pain from repetitive pressure, or you may feel numbness or tingling that spreads throughout your muscles. To prevent this, take regular breaks during the day or whenever necessary. Ending4: The more you take a break from the repetitive motion, the more time you give yourself to heal. [substeps] " microbreaks " should be taken for 30 to 60 seconds for every 10 minutes of computer use.

Answer format: ending1/ending2/ending3/ending4