Final answer:
The heaviest weight lifted through full ROM with proper technique is a physics-related health question that analyzes force, mass, and mechanical work in the context of physical training and weightlifting safety.
Step-by-step explanation:
The question involves determining the heaviest weight lifted successfully through the full Range of Motion (ROM) with proper technique, a topic that overlaps with Physics and Health education. In physics, this question would relate to concepts such as force, mass, and mechanical work, while in health or physical education, it touches on the biomechanical and safety aspects of weightlifting. The information provided alludes to exercises and evaluating progress, as well as concepts like Hooke's law pertaining to the operation of a bathroom scale, indicating a context where physics is used to understand sports and health. An accurate record of the heaviest weight lifted can be hard to define outside of official competitions, as it depends on the specific lift (e.g., bench press, deadlift, or squat) and the conditions under which it was performed, including adjudication for proper form.