Which of the following statements is true regarding the training of muscle groups?

The statement that exercises utilizing larger muscle groups should be trained first is based on several key principles of resistance training and muscle physiology. When training, larger muscle groups such as the legs, back, and chest are often able to generate more strength and power compared to smaller muscle groups like the biceps or triceps.

Training larger muscle groups first takes advantage of their ability to lift heavier loads and produce more force, which is critical for promoting overall strength and muscle development. Additionally, when larger muscle groups are fatigued from the beginning of a workout, it's more challenging to maintain optimal form and effectiveness during subsequent exercises that target smaller muscles. This could lead to inefficient training and increased risk of injury.

In contrast, focusing on smaller muscle groups before larger ones may lead to fatigue that compromises performance on larger muscle group exercises, reducing overall workout effectiveness. This principle is often a consideration in strength training programs, especially for those looking to maximize strength gains and muscle growth across all muscle groups.

While alternating training or working simultaneously may have their places in different training programs, prioritizing larger muscle groups is a well-established approach for effective resistance training.