"gentle stretching"

When 'Fire' Builds Up, Does the Body Stiffen? The Hidden Cause of Chronic Muscle Pain

Lately, are your shoulders stiff like stones and your neck jutting forward like a turtle? When you sit in front of a computer all day, your body often stiffens from your spine to your lower back, leaving you feeling utterly exhausted after work. You might dismiss it as mere stress, but it is actually a very important signal your body is sending.