What is the method called that involves making fast bouncing movements to stretch muscles?

The method that involves making fast bouncing movements to stretch muscles is known as ballistic stretching. This technique utilizes momentum to push the body beyond its normal range of motion, often through quick and forceful movements. It is distinct from other stretching methods in that it emphasizes rapid movement, which can lead to an increased stretch in a short period.

Ballistic stretching is commonly used by athletes to prepare for explosive activities that require flexibility and quick muscle contractions. However, because it involves bouncing motions, it requires a higher level of control and comes with increased risks of injury if done improperly. It is generally recommended that individuals use this method only after achieving a certain level of flexibility and should be approached with caution.

The other methods mentioned in the options focus on different approaches to stretching. Static stretching involves holding a position to stretch the muscle without movement, dynamic stretching incorporates controlled movements to prepare the muscles for activity, and passive stretching relies on an external force or partner to achieve the stretch. Each has its own benefits and ideal usages depending on the context of training or rehabilitation.