Does your mid-back feel locked and stiff after sitting all day? This partner-assisted spinal twist is the key. While you lie on your side, your partner applies gentle, steady pressure to your shoulder and lower back, guiding your torso into a deeper rotation to mobilize the thoracic spine. 😮‍💨 Send this to someone with chronic back stiffness. . . . #backpain #spinalmobility #thoracicmobility #assistedstretching #partnerstretch #backrelease