Final answer:
The training principles of overload, adaptation, and specificity impact the development or prevention of musculoskeletal injuries by determining how the body is challenged, adapts, and specifically strengthens in response to exercise, with proper rest and recovery being crucial to avoid overuse injuries.
Step-by-step explanation:
The principles of overload, adaptation, and specificity are crucial in understanding injury development or prevention during resistance training. Overload refers to the increase in the intensity of exercise (resistance, duration, or frequency) to challenge the body, which if not done properly, can lead to injuries due to the muscles or joints being unable to handle excessive stress. Adaptation occurs when the body gets used to a certain level of physical demand, thereby strengthening the musculoskeletal system, but failure to provide sufficient recovery time can hinder this process and lead to overuse injuries. Specificity means that training should be relevant to the desired outcome; ignoring proper alignment and movement patterns specific to each exercise can result in joint misalignment and contribute to injury.
Incorporating proper rest and recovery, using protective equipment, and warming up and cooling down are important practices to prevent musculoskeletal injuries. The knowledge of forces and torque, applied during physical therapy, helps in the treatment and strengthening of muscles without causing additional harm. The application of these principles assists athletes and individuals in their training regime, ensuring safety and efficiency.