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Health & Exercise Forum

Exercise & Fitness … More Than Just Physical!

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Jun 2, 2024

We’ve all heard it before – encouragement to exercise to trim our waistline or to speed up our metabolism.  However, there may be more benefit to lacing up those sneakers than you’d think.  Recent studies have established a link between exercise and cognition, making physical activity even more important.

The Benefits:

Exercise has been shown to improve sleep and mood, decrease stress, and even increase libido.  It also can bolster our self-esteem and ability to problem-solve and to remember details.  In fact, strength training has even been shown to reverse cognitive decline to a degree in aging adults with mild impairment. Though the medical community is still trying to elucidate exactly how exercise boosts our brains physiologically, increased circulation to the brain and modulation of the hypothalamus-pituitary-adrenal axis that regulates the body’s response to stress have been implicated as the bearers of benefit. While exercise can be advantageous for everyone, it perhaps is even more valuable to those struggling with mood disorders.  Exercise can help combat anxiety and depression and quell the symptoms of Attention Deficit Hyperactivity Disorder and Post Traumatic Stress Disorder as it helps the brain to pump out neurotransmitters and pain-fighting endorphins. Exercise makes addiction management easier, as well, and has recently been shown to help alcoholics lessen consumption.

How Much is Enough?

So, how much exercise exactly is enough to illicit tangible cognitive benefit, you ask?  Any amount of weight lifting, running, walking, or yoga helps, but habitual activity helps the most.  Studies cite that a few consecutive weeks of participation in a fitness regimen yielded notable, positive results in subjects.  Try to make exercise part of your daily routine to encourage good fitness habits.  If you find the idea of adopting a strenuous new fitness program intimidating or off-putting, have no fear.  Moderate exercise is enough to do the trick.  The Mayo Clinic cites both brisk walking and mowing the lawn as examples of moderate activity, so an average fitness level is adequate for yielding positive mental results. 

How To Begin:

If you’re thinking about beginning an exercise program for the first time, start gradually.  Begin with walking for 10 to 15 minutes twice daily, and add 1 or 2 minutes to your session every time you walk until you can walk continuously for 45 to 60 minutes.  The same principle can be used when beginning other fitness routines involving biking, swimming, running, etc.  Begin a weight training program to strengthen bones and tendons using 3 to 5 pound dumbbells, and increase the weight you use by a pound once you can easily perform 30 consecutive repetitions.  Be careful to pay close attention to posture and form. Contact your physical therapist or a personal trainer for assistance with designing an appropriate exercise program.  Don’t hesitate to contact your physician, either, if you have questions about whether a particular exercise program is safe and suitable for your age group or current fitness level. Consider these tips to make the most of your workout:

  • Don’t let the idea of fitting exercise into your busy schedule stress you out.  If you can only find time to exercise on the weekends, do that.  Every workout, no matter how frequent, can help to recharge your brain.
  • Understand that beneficial exercise doesn’t have to be particularly laborious or formal.  Walks around your block or playtime with the kids count as physical activity, too.
  • Consider using a fitness app to track your progress – some even have barcode scanners and calorie counters to help you track food intake in addition to exercise.
  • Unless you’re performing brisk aerobic exercise for over 60 minutes, opt for water when you work out rather than sports drinks.
  • Exercise outdoors to gain an additional boost in creativity – a recent study showed that hikers performed better on cognitive tasks after spending time outside.
  • Use your exercise sessions to let your mind wander.  Instead of using your time on the treadmill to plan your itinerary for the week, use it to focus on yourself, your breathing, and your movement.

Guest Contributor: Leanne Woiewodski, MD, graduate, GCSOM

Sources:

US National Library of Medicine, National Institutes of Health, Helpguide.org, IDEA Health & Fitness Association, Mayo Clinic, Public Library of Science

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This article is not intended as a substitute for medical treatment. If you have questions related to your medical condition, please contact your family physician. For further inquires related to this topic email: drpmackarey@msn.com

Paul J. Mackarey PT, DHSc, OCS is a Doctor in Health Sciences specializing in orthopaedic and sports physical therapy in Scranton and Clarks Summit. Dr. Mackarey is in private practice and is an associate professor of clinical medicine at Geisinger Commonwealth School of Medicine. For all of Dr. Mackarey's articles, visit our exercise forum!