When we push our bodies to the limit, our nervous system often triggers a "global tension" response. Because humans have incredibly fine motor control in their faces, your body naturally tenses those muscles during heavy exertion as a way to provide the most stability with the least mental effort.
Commonly known in fitness circles as this phenomenon is more than just a funny gym quirk. It’s a physiological response to high-intensity isometric tension. But while it might make for a relatable gym selfie, "Plank Face" can actually be a sign that your form is breaking down. What Exactly is Plank Face? plank face
Chasing tension in your face (the "death-grip face") can actually rob your core of the stability and strength it needs. When we push our bodies to the limit,
Your abs will thank you. And so will your next gym mirror selfie. Chasing tension in your face (the "death-grip face")