“Most yoga students are aware that the psoas is a central player in asana, even if the muscle’s deeper function and design seem a mystery. A primary connector between the torso and the leg, the psoas is also an important muscle off the mat: it affects posture, helps stabilize the spine, and, if it’s out of balance, can be a significant contributor to low back and pelvic pain. The way that we use the psoas in our yoga practice can either help keep it healthy, strong, and flexible, or, conversely, can perpetuate harmful imbalances.
The psoas major is the biggest and strongest player in a group of muscles called the hip flexors: together they contract to pull the thigh and the torso toward each other. The hip flexors can become short and tight if you spend most of your waking hours sitting, or if you repeatedly work them in activities like sit-ups, bicycling, and certain weight-training exercises.
A tight psoas can cause serious postural problems: when you stand up, it pulls the low back vertebrae forward and down toward the femur, often resulting in lordosis (overarching in the lumbar spine), which is a common cause of low back pain and stiffness; it can also contribute to arthritis in the lumbar facet joints. On the other hand, a weak and overstretched psoas can contribute to a common postural problem in which the pelvis is pushed forward of the chest and knees. This misalignment is characterized by tight hamstrings pulling down on the sitting bones, a vertical sacrum (instead of its usual gentle forward tilt), and a flattened lumbar spine. Without its normal curve, the low back is weakened and vulnerable to injury, especially at the intervertebral discs.” (Source: https://yogainternational.com/article/view/how-to-stretch-and-strengthen-the-psoas)
In this video, Todd Norian provides a short Ashaya Yoga sequence for stretching the psoas muscles.
Learn more with Todd when he visits PranaShanti on October 14-16, 2016.