Stretching
Headache-relieving stretches can get at muscle tension that contributes to pain. Add them to your workout or use them when a headache looms.
Try these three: neck range of motion (chin forward, upward, and toward each shoulder); shoulder shrugs (shrug up, up and forward, and up and back); and neck isometrics (press palm into forehead and hold; press hand on each side of the head).
Stretch twice a day for 20 minutes per session. Hold the stretch for five seconds, relax for five seconds, and repeat each stretch three to five times.