Self Myofasical Release: The What and the Why

Self Myofascial Release (SMR) is a self-stretching technique that has becoming increasing popular within the fitness industry. SMR is usually performed with foam rollers, but are not limited to just the rollers themselves. Other assistive devices such as tennis balls, lacrosse balls, medicine balls, PVC piping, and SMR massage sticks are all great investment tools that are an inexpensive realistic alternative to massage therapy sessions (1).

Self Myofascial Release is based on the principal of dysfunctional movements of the neural and fascial systems of the body.  Dysfunctional movements can be caused by incorrect posture, incorrect movement patterns or repetitive movements/motions of the body. When the body goes through these types of incorrect motions or movements, your body will interpret these movements as injuries occurring in your body. This causes what is known as The Cumulative Injury Cycle (1,2).

How injury happens in the body

How injury happens in the body

As your body recognizes this “injury,” it will try and repair itself. This process tries to repair the damages that these faulty movements patterns cause within the fascia. This cycle follows a path of muscle tissue/fascia inflammation. This muscle inflammation activates that body’s pain receptors as a protective mechanism and increases the muscles tension which causes a muscle spasm. Muscle (micro) spasms increase the development of soft tissue adhesions that can lead to altered neuromuscular control and muscle imbalance, and relative flexibility (1-2). The adhesions reduce the elasticity of the soft tissues and can eventually cause a permanent change in the soft tissue structure, (Davis’s Law). Davis’s Law states that muscle will model along the lines of stress (1,2). SMR focuses on alleviating these adhesions (also known as “trigger points” or “knots”) to restore optimal muscle motion and function (1).

According to the National Academy of Sports Medicine and also emphasized by Penney (3), “Self Myofasical Release (SMR) is based on a principal known as autogenic inhibition. Autogenic Inhibition is a muscle that is inhibited by its own receptors (1). Skeletal muscle tissue contains two neural receptors called muscle spindles and Golgi tendon organs (GTO). Muscle spindles are sensory receptors running parallel to muscle fibers, sensitive to a change and rate of muscle lengthening. When stimulated, muscle spindles will cause a myotatic stretch reflex that causes the muscle to contract. The GTO receptors, located in the musculotendinous junctions, are stimulated by a change and rate of tension, and when GTOs are stimulated will cause the muscle to relax (2). When a change in tension is sustained at an adequate intensity and duration, muscle spindle activity is inhibited causing a decrease in trigger point activity, accompanied by a reduction of pain (1) which in layman’s terms will “turn off” a muscle spindle’s activity and allow the muscle to relax, stretch and realign with the muscle fiber (3).”

According to the National Academy of Sports Medicine, SMR (with foam rolling) benefits include: the correction of muscle imbalances, muscle relaxation, improved joint range of motion, improved neuromuscular efficiency, reduced soreness along with improved tissue recovery, the suppression/reduction of trigger point sensitivity and pain, decreased neuromuscular hyper tonicity, provides optimal length-tension relationships and the decrease the overall effects of stress on the human movement system.

Clark MA, Lucett SL. NASM Essentials of Corrective Exercise Training, Baltimore, MD: Lippincott Williams & Wilkins; 2011.

Clark MA, Lucett SL. NASM Essentials of Personal Fitness Training 4th ed. Baltimore, MD: Lippincott Williams & Wilkins; 2012.

Penney, Stacey. http://blog.nasm.org/training-benefits/foam-rolling-applying-the-technique-of-self-myofascial-release/ 21 August 2013.

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2 thoughts on “Self Myofasical Release: The What and the Why

  1. […] Ah, self-massage, also known as self myofascial release (SMR), is a method of giving yourself a serious rub down without having to pay much money or even get undressed. I talk about my homemade tool for self-massage in this piece at haubermethod.com I called “My Favorite Cheap DIY Massage.” And my good friend and Hauber Method™ team member Stacey Mata, MS, explains in detail why we need self-massage in the first place. […]

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