Answer: "Practice proper form to achieve strength gains."
Step-by-step explanation:
The strength training program is a kind of physical exercise which is specialized in the use of resistance to induce the contraction of muscles, building up the strength of the muscles, boosting more stamina and endurance, increasing the size of the skeletal muscles and density of the bones.
Sports activities that require the strength training program are weightlifting, shot put, bodybuilding, powerlifting, and others.
"Practice proper form to achieve strength gains." is the correct option, this is because of the fact that is likely to attract the public for the strength training program.