Start to Fitness: Brisk exercise can cause headaches

Wed., March 14, 2007

Andrea Renee Wyatt, M.s.s., C.s.c.s. King Features Syndicate

Q: Sometimes after completing my cardiovascular workout, which consists of running and cycling, I get severe headaches. Can exercising cause this?

A: Exercise-induced headaches are very real. Many people suffer from effort and/or exertion headaches during or after intense exercise. There could be several causes or “triggers” of your headaches. Becoming aware of when and why your headaches occur can allow you to exercise without worry.

Exercise-induced (exertion) headaches can occur during heavy lifting while straining or a Valsalva maneuver (holding your breath and straining while lifting). Effort and exertion headaches can also occur after exercises such as running, especially in hot climates.

Both exertion and effort headaches are a result of a constriction of your blood vessels and increased blood pressure while being active. While exercising, your body increases the blood flow to your organs, joints and muscles. Areas such as the head and neck can experience an increase in blood-vessel swelling, which can trigger a headache.

The following suggestions can help prevent exercise-induced headaches.

“Warm up before exercising and cool down afterward. Begin slowly, then gradually increase the intensity. At the end of your routine, take time to lower your heart rate and allow your body to cool down, either flexibility techniques or slow, fluid movements.

“ Slowly progress to speeds and weights your body is able to handle during cardiovascular or strength-training routines. Seek the help of a professional if you are unsure of how to do this.

“ Practice proper lifting techniques. Performing resistance exercises incorrectly can not only constrict blood flow, but cause injury to joints and muscles.

“ Remember to perform proper breathing patterns while exercising.

“Proper alignment is important. Rounded or raised shoulders and a lack of abdominal and back support can cause muscle tightness and stress, preventing proper blood flow throughout the body.

“Reduce your stress level. Relax and have fun.

Exercise is just one of many causes of headaches. If your headaches continue or worsen, consult your physician. Keep a record of when your headaches occur and what activity seems to trigger them.

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