Which one of these is a key indicator of an unsuccessful lift in powerlifting?

In powerlifting, the successful completion of a lift is contingent upon adhering to specific commands and rules set forth by the referees. A crucial indicator of an unsuccessful lift is when the lifter does not receive a command, such as "Start," "Rack," or any other directive required during the lift. These commands are vital, as they ensure the lifter executes the movement correctly and safely, in accordance with competition standards. If a lifter does not receive the necessary command, it signifies a failure to comply with these rules, leading to a disqualification of the lift regardless of how the lift itself appears.

Maintaining an upright position or finishing the lift quickly can reflect good lifting mechanics, and lifting more than one’s body weight often indicates strength, but none of these elements directly pertain to the fulfillment of the established commands that dictate lift success in competition. Thus, the absence of a command is a clear and identifiable marker of an unsuccessful lift.