Shawn Brock on Instagram: "Platysma release for neck and jaw tension. The platysma runs from the upper chest and clavicle up into the lower face and jaw. Its job is to help depress the mandible, pull the lower lip down and out, and tense the skin of the neck. To release it: Apply inferior pressure just below the clavicle to pin the tissue. Then gently tilt your head back like you’re looking at the ceiling. Open your jaw slightly or push your bottom lip forward like you’re pouting. This lengthens