Cat-Camel spinal mobilization (8-10 slow reps) - On hands and knees, alternate arching and rounding your spine in a slow, controlled rhythm.
Bird-Dog (5 reps/side with pause) - From hands and knees, extend one arm and the opposite leg while keeping your torso stable.
World's Greatest Stretch From a lunge position, drop elbows, twist the torso, and open up the hips, spine, and shoulders in one fluid move