What type of stretching involves alternate rapid contractions and relaxations?

The type of stretching that involves alternate rapid contractions and relaxations is known as active isolated stretching. This method focuses on isolating a specific muscle or muscle group and using a series of short, controlled contractions followed by a brief stretch of that muscle. The objective is to enhance flexibility and increase range of motion while minimizing the risk of injury.

Active isolated stretching typically involves holding the stretch for only a few seconds, which encourages blood flow to the muscles and promotes relaxation. As the muscle contracts, this process helps to activate and strengthen the muscle in a safe manner, allowing for deeper stretches over time. The technique emphasizes controlled movements and the idea of contracting and then immediately relaxing the targeted muscles, making it effective for improving overall flexibility and muscle function.