Which type of stretching involves a stretch followed by eccentric contraction?

Proprioceptive Neuromuscular Facilitation (PNF) stretching is characterized by a stretch followed by an eccentric contraction. This type of stretching often involves a partner or equipment to provide resistance during the contraction phase.

The process typically begins with a passive stretch to the muscle being targeted, moving it to its limit of range. This is followed by isometric contraction against resistance while in the stretched position, which involves focusing on engaging the muscle while it is still elongated. The mechanism behind PNF is thought to enhance flexibility and range of motion due to the neuromuscular response from both the stretching and the subsequent contraction.

This combination effectively promotes an increase in muscle flexibility by stimulating the Golgi tendon organs, which triggers a reflex that encourages relaxation of the muscle being stretched and allows for a deeper stretch in subsequent repetitions. Understanding this sequence can help individuals design more effective stretching and rehabilitation programs, focusing on improved muscle functionality and greater range of motion.