Final answer:
The consistent stress on muscles throughout the range of motion in resistance training is achieved through isotonic exercises and the principle of progressive overload. It is essential to prevent injuries by proper technique and recovery while recognizing the role of FG fibers and sarcomere length-tension relationship for muscle growth.
Step-by-step explanation:
The method of resistance training that creates a consistent stress on muscles throughout the range of motion is known as isotonic resistance training. This method ensures that the force exerted by the muscle is constant in each phase of the exercise, typically achieved through the use of specialized weight machines which accommodate resistance curves of the muscles. However, progression is key, as for effective strength training, the intensity must regularly be increased. This concept is called progressive overload, and involves incrementally adding more weight or resistance to stimulate muscle adaptation and growth. Notably, it is crucial to safeguard against overuse injuries by correctly aligning joints during exercise and allowing sufficient recovery time.
Resistance exercises utilize fast glycolytic (FG) fibers which are essential for short, powerful movements and are integral for muscular hypertrophy, the enlargement of muscles, which is achieved by increasing the thickness of muscle fibers through adding structural proteins. It's vital to acknowledge the length-tension relationship of a sarcomere in muscle contractions, which also has a direct influence on the force generated during exercises encompassing various intensity levels.