The video demonstrates the lying supine "Figure 4" stretch, which is an accessible way to target deep musculature from a comfortable position. To perform the exercise, begin by lying flat on your back with your knees bent and feet resting flat on the floor. Lift one leg and cross its ankle over the opposite knee, forming a shape resembling the number "4." From this position, reach your hands forward—either wrapping them around the back of your thigh or the front of your shin of the uncrossed leg—and gently pull both legs toward your chest until a comfortable stretch is felt in the buttock of the crossed leg. Hold this position for about 30 seconds while maintaining a relaxed spine and deep breathing, then repeat the process on the other side.
The primary purpose of this exercise is to stretch the deep external rotators of the hip, specifically targeting the piriformis muscle. By isolating and lengthening the piriformis, this technique helps alleviate muscular tension and reduces compression on the nearby sciatic nerve, making it a common approach for easing sciatic-related discomfort. Incorporating this stretch into a daily mobility routine can enhance overall hip flexibility, relieve deep glute tightness, and improve joint functional range of motion without straining the lower back.