neck side-bending with opposite rotation and upward gaze to stretch sternocleidomastoid muscle unilaterally
Sit or stand with arm by side. Bend the neck to one side, rotate the neck to opposite side with looking upward, feel for the stretch in the front of neck of opposite side. Release the stretch and back the neck to neutral position, repeat alternate.
Nothing here is a prescription. Your physiotherapist decides which of these are yours, and when.
