Why Looking Down at Your Phone Hurts Your Neck
Why Looking Down at Your Phone Hurts Your Neck What Is “Tech Neck” and Why Does It Happen? “Tech neck” refers to the strain placed on the cervical spine when the head tilts forward while using a smartphone. The human head weighs around 4.5–5.5 kg, but when tilted 45 degrees, the effective force on the neck can increase to over 20 kg . This excessive load compresses the cervical discs, overstretches neck muscles, and accelerates joint wear. The Hidden Long-Term Effects of Poor Phone Posture Prolonged forward-head posture can lead to chronic stiffness, tension headaches, shoulder tightness, and even nerve compression. Over time, the muscles at the back of the neck become overstretched and weakened, while the muscles at the front become shortened. This imbalance contributes to rounded shoulders, reduced mobility, and persistent discomfort that many people mistake for stress. How Your Spine Responds to Forward Head Tilt ...