While there are multiple PNF stretching techniques, all of them rely on stretching a muscle to its limit. Doing this triggers the inverse myotatic reflex, a protective reflex that calms the muscle to prevent injury. “PNF causes the brain to go ‘I don’t want that muscle to tear’ and sends a message to let the muscle relax a little more than it would normally,” says fasciologist Ashley Black. In many styles of yoga we contract and release muscles alternatively, we contract and then extend, stretching the muscles out, but PNF tests the limits utilizing the mind/body connection even further. In Yoga Nidra, the yoga of sleep and PTSD relief, we have techniques working with opposites in the words said by the teacher, and in observing the sensations in the body. We contract and tense the muscles one by one and then we completely relax and release. Here, we go beyond the relaxation and continue to stretch, helping to expand the fascia that covers each muscle, bone, joint, ligament, tendon, and organ.
1. Improved Flexibility and Range of Motion
One of the primary benefits of PNF stretching is the enhancement of flexibility and range of motion. By combining muscle contractions with stretching, PNF helps to elongate muscle fibers and increase the length of the muscle-tendon unit, ultimately leading to greater flexibility. This increased range of motion can be particularly beneficial for athletes and individuals engaged in physical activities that require a high degree of flexibility. Try this:
HOLD-RELAX
One PNF technique that Black says can trigger the reflex is commonly called “hold-relax.” This involves:
- Putting a muscle in a stretched position (also called a passive stretch) and holding for a few seconds.
- Contracting the muscle without moving (also called isometric), such as pushing gently against the stretch without actually moving. This is when the reflex is triggered and there is a “6- to 10-second window of opportunity for a beyond ‘normal’ stretch,” Black says.
- Relaxing the stretch, and then stretching again while exhaling. This second stretch should be deeper than the first.
2. Reduced Risk of Injury
Incorporating PNF stretching into your fitness routine can help reduce the risk of injury by improving joint stability and flexibility. When muscles are more flexible, they are better able to absorb the impact of physical activities, reducing the likelihood of strains, sprains, and other injuries. PNF stretching can also help improve muscle imbalances and alignment issues that may contribute to injury risk. Try this:
CONTRACT-RELAX
Another common PNF technique is the contract-relax stretch. It is almost identical to hold-relax, except that instead of contracting the muscle without moving, the muscle is contracted while moving. This is sometimes called isotonic stretching. For example, in a hamstring stretch, this could mean a trainer provides resistance as an athlete contracts the muscle and pushes the leg down to the floor.
3. Enhanced Athletic Performance
Greater flexibility and range of motion can lead to improved athletic performance. PNF stretching has been shown to increase power, speed, and agility by allowing muscles to move more efficiently and through a greater range of motion. This can be particularly beneficial for athletes participating in sports that require flexibility, such as gymnastics, martial arts, and dance. Try this:
HOLD-RELAX-CONTRACT
A third technique, hold-relax-contract, is similar to hold-relax, except that after pushing against the stretch, instead of relaxing into a passive stretch, the athlete actively pushes into the stretch. For example, in a hamstring stretch, this could mean engaging the muscles to raise the leg further, as the trainer pushes in the same direction.
Regardless of technique, PNF stretching can be used on most muscles in the body, according to Black. Stretches can also be modified so you can do them alone or with a partner. “Keep it simple and just remember: contract, relax, breathe, and stretch,” Black says. “The nervous system and reflexes will do the rest.” If you are not familiar with this type of stretching, seek out a professional or trainer to make sure you are doing the move correctly. If you are under 18, PNF stretching is generally not recommended. Always seek the advice of a doctor or fitness professional before trying it.
4. Improved Posture and Alignment
PNF stretching can help correct muscle imbalances and alignment issues that can contribute to poor posture. By increasing the flexibility of tight muscles and strengthening underactive muscles, PNF stretching can help restore balance to the musculoskeletal system and improve overall posture. This can lead to reduced pain, better body mechanics, and an enhanced sense of well-being.
5. Increased Relaxation and Stress Relief
In addition to the physical benefits, PNF stretching also offers mental and emotional benefits. The combination of muscle contractions and relaxation can help alleviate stress and promote a sense of calm and well-being. As you focus on your breath and the sensations in your muscles during PNF stretching, you can also improve your mind-body connection and develop greater body awareness. PNF stretching is a powerful tool for improving flexibility, enhancing athletic performance, and promoting overall well-being. As a technique endorsed by the American Sports and Fitness Association, PNF stretching can be an invaluable addition to your fitness routine or that of your clients. By incorporating PNF stretching into your training, you can unlock your flexibility potential, reduce the risk of injury, and enjoy the numerous benefits this dynamic stretching method has to offer.
Blessings,
KJ Landis
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