You need to relocate a heavy server from a lower shelf to a higher position within a rack. Which of the following is the BEST method to accomplish this task safely?
Bend your knees to lower your body, keep your back straight, then lift with your leg muscles.
Stand close to the server and lift with your back, keeping your legs straight.
Place the server on a rolling chair and push it up to the desired shelf.
Lift the server quickly, using a jerking motion to gain momentum.