Final answer:
The three principles of training fundamental to PRT as per FM 7-22 are Precision, Progression, and Integration, which aim to create an effective and comprehensive fitness program.
Step-by-step explanation:
According to FM 7-22, the three principles of training that are fundamental to Physical Readiness Training (PRT) are:
Precision, Progression, and Integration. These principles ensure that the training is effective and beneficial for soldiers. Precision entails performing the exercises with the correct form and technique. Progression refers to the gradual increase in intensity and complexity of the exercises to continually challenge and improve the soldiers' physical capabilities. Lastly, Integration means combining various types of physical training, such as strength, endurance, and mobility, into a comprehensive fitness program tailored to meet the specific needs and goals of the unit and the individual soldiers.