If you traveled recently
We’re a touch-phobic society. If you spent hours in an airplane, especially with a seatmate who took from your space, you likely sat on only one of your glute muscles and curled yourself away. Your strained spots will have a twisted pattern, caused by a lot of pressure on one side. Likewise, if you have significant stress in your neck, we’ll guess you fell asleep without a pillow, likely hanging your head for hours.