The strength training is an exercise, which increases the strength and the stamina of the muscles. It helps in reducing the anaerobic endurance, and hence, prevent the muscles from fatigue.
The strength training combined with aerobic exercises help in the increase in the muscle mass. It also decreases the adipose tissues present around the muscles, hence, help in acquiring extra fat free body.
So, the correct answer is :
A benefit of strength training, accentuated even more when combined with aerobic exercise, is a decrease in the adipose tissues around the muscles.