Which of the following is a common characteristic of effective strength training programs?

Progressive overload is a fundamental principle in effective strength training programs. This approach involves gradually increasing the demands on the musculoskeletal system to stimulate muscle adaptation and growth. By progressively overloading the muscles—whether through increased weight, higher repetitions, or greater intensity—participants can avoid plateaus in strength gains and ensure continued improvements.

Incorporating progressive overload means that as individuals become stronger, the training program evolves accordingly, challenging the muscles in new ways to promote further adaptation. This characteristic is vital for developing strength, endurance, and overall physical performance, making it a cornerstone of effective training regimens.

Other approaches, such as high repetition with low weight or no rest periods, may have specific applications for certain training goals or populations but do not universally contribute to effective strength development like progressive overload does. Low frequency of training typically hinders muscle adaptation and strength gains, as muscles need consistent stimulus to grow. Thus, the emphasis on progressive overload stands out as a critical component in designing successful strength training programs.