National Academy of Sports Medicine (NASM) Certified Personal Trainer (CPT) Practice Exam

What does the global muscular system primarily consist of?

1. Small muscle fibers

2. Four subsystems designed for large movements

3. Only local muscle groups

4. Stabilizing muscles only

The correct answer is: Four subsystems designed for large movements

The global muscular system primarily consists of four subsystems designed for large movements, which are crucial for the body's ability to perform functional movements. These subsystems include the deep longitudinal subsystem, the posterior oblique subsystem, the lateral subsystem, and the anterior oblique subsystem. Each of these subsystems plays a strategic role in coordinating movement patterns over more significant ranges of motion, allowing for effective force generation and stabilization during dynamic activities. This systemic approach emphasizes the integration of various muscle groups that work together across joints to enable complex tasks, such as running, jumping, or lifting. By understanding the role of these subsystems within the global muscular system, trainers can develop more effective training programs that enhance performance and reduce the risk of injury. The global muscular system is distinct from local muscle groups or stabilizing muscles alone, which have more limited functions focused on smaller, isolated movements.