The best answer is definitely Option 3: Rest the injured area until it's healed. The reason is that because if you keep exercising in the condition, it will make the pain worse and may cause a strain or swell.
Injuries are dangerous to the body and need to be treated so that the area recovers as quickly as possible. A muscle injury requires a rest for the area to recover. In the case of Janet, who suffered an injury while working, ideally she should stop her training and rest the injured area until healing. This prevents the injured area from having to do physical exertion and developing larger, more difficult to care for problems. For this reason, we can state that, among the options given in the question above, "Rest the injured area until it heals" is the best answer to your question.
