Take the stairs. You've probably heard this one before but taking the stairs is a great way to add movement to your day and increase your heart rate. ...
It should be puberty because once a female starts her menstrual cycle she is able to become pregnant. The same should go for guys when it comes to their sperm becoming "active" in other words
You may need to use transfer aids such as a gait belt, a sliding board, or a mechanical lift to help move a person. These transfer aids can help make transfers safer