Home News Fight-or-Flight Protein Finding May Lead to New Treatments for Skeletal Muscle Disorders April 26, 2021 Skeletal Muscle Fibers (Cells) showing Striations, Teased apart—100X.

Researchers say a regulatory protein found in skeletal muscle fiber may play an important role in the body's fight or flight response when encountering stressful situations.

The reptilian brain is concerned more with fight or flight, not thinking. ... This video is an excellent resource on how to release the tension of the psoas muscles. YouTube.

These glands regulate the fight, flight, or freeze response to stress. When stressed, the psoas muscle tightens, and even after the stressor is gone, the tension may persist, contributing to ...

For example, the psoas muscle (located in your core) tightens in response to dangerous or stressful situations. Therefore, the hips are commonly referred to as the fight-or-flight muscle.

Tucked deep in your hips and lower back, the psoas muscle won't get you any compliments at the beach—but keeping it strong and flexible is crucial to keeping your body feeling good.