Monday, December 29, 2014

Resolve to Exercise!


 Me on a zip-line 

Once again, a new year is upon us. I have always loved ringing in a new year. A chance to start over. A chance to evaluate my life and make changes to make my life a little better. While I don’t necessarily make specific resolutions for the New Year, I do like to take the opportunity to set new goals to work toward. Like many other Americans, one area of my life I resolve to improve is that of fitness.  In the first week of January the gyms are packed! But often this massive influx of exercisers does not last very long. It’s difficult for many to keep up with exercising. Sitting on the couch is way easier! But regular physical activity has many benefits, including physical, mental, and emotional rewards. You don't need to join a gym to stay active. There are many activities to do outdoors that can keep you busy and keep you moving!

There are so many benefits to exercise. Knowing these will hopefully lead to helping others get started on a fitness program or to keep their exercise momentum going. Here are some of the many benefits:  

Exercise Prevents or Helps Manage Health Conditions and Diseases
Regular physical activity helps to prevent or manage certain health conditions. Exercise can help prevent or manage diseases such as stroke, Type 2 Diabetes, depression, certain types of cancer, osteoarthritis, osteoporosis, high blood pressure, and metabolic syndrome. It can have profound positive effects on the cardiovascular and pulmonary systems.  Additionally, exercise increases high-density lipoprotein (HDL), also known as the ‘good’ cholesterol, and helps to decrease low-density lipoproteins (LDL) (bad cholesterol) and triglycerides, which can clog arteries and lead to heart attack, heart disease, and stroke.

A sedentary lifestyle and lack of exercise has led to obesity and the Type 2 Diabetes epidemic that we are seeing here in the United States. Exercise is beneficial in preventing diabetes and has been shown to reduce the incidence of Type 2 Diabetes by about 50%. Research shows that physical activity can lower blood glucose levels and improve the body’s ability to use insulin. It can reduce visceral body fat, abdominal fat that plays a role in insulin resistance. Physical activity burns calories and helps prevent weight gain and can promote weight loss, which is an important part of preventing and managing Type 2 Diabetes.

Exercise makes muscles stronger. It stretches muscles and joints, which increases flexibility and helps prevent injuries. Weight-bearing exercises helps to strengthen bones and helps to prevent osteoporosis. Those with osteoarthritis may experience a decrease in pain with regular exercise. Migraine sufferers may find a reduction in migraines with regular physical activity.  Of course the person exercising needs to be sure they are exercising safely. Healthcare professionals, such as doctors and nurse practitioners, can help those with health conditions to find the right exercise routine to benefit the individual and help prevent injury.

 Oscar playing tennis


Exercise Improves Mood and Reduces Stress

Chemicals in the brain, such as endorphins, dopamine, serotonin, and norepinephrine are released during exercise and can help boost your mood and improve mental health. These brain chemicals can make you feel happy, more relaxed, and give you a sense of well-being. Research has shown that exercise can be as effective as antidepressant medications in alleviating depression. One study found that three sessions of yoga per week boosted GABA levels, a brain chemical that helps to improve mood and decrease anxiety.  Additionally, exercise may work at a cellular level to reverse the damage that stress takes on the aging process. Increased concentrations of norepinephrine can help moderate the brain’s response to stress.  We can literally walk off our stress and the damaging effects that stress causes!

Exercise Boosts the Immune System

Our immune system helps to fight off infections caused by viruses and bacteria. Exercise increases circulation of natural killer cells, antibodies, and white blood cells that help to fight off illnesses caused by pathogens, such as viruses and bacteria. This includes viral infections, such as the flu, common cold, and bacterial infections that may occur in the respiratory system. The positive effect on the immune system may help to prevent some forms of cancer, such as cancer of the breast.   

Exercise Benefits the Brain

Yes, the brain benefits from regular physical activity as well! Levels of growth factors, which help make new brain cells and establish new connections between brain cells to help us learn, are increased with exercise.  Activities, such as tennis and dance, have been shown to lead to the biggest brain boost. Exercise can help to maintain thinking skills or cognitive functioning as we age. It helps to keep the brain fit and active and can fend off memory loss. Research by the Alzheimer’s Research Center has shown exercise to be the best defense against the development of Alzheimer’s disease. It has been shown to reduce the risk of developing Alzheimer’s disease by about 40%. This appears to be due to the protective effect physical activity has on the hippocampus, a region of the brain that is often first affected by Alzheimer’s damage.  Alzheimer’s disease is a devastating illness. The simple task of regular physical activity may be able to prevent or prolong onset of this disease.

Exercise Improves Sleep Quality

Lack of sleep or poor sleep quality is a common complaint for people of all ages. Sleep is important for our productivity, mood, and overall health. Regular exercise has been shown to improve sleep quality. Research shows it helps people fall asleep faster. It helps to produce a deeper sleep, which can help you feel more rested in the morning. However, exercising too close to bedtime can have a negative effect on sleep, as the body is energized. So be sure to get your activity in earlier in the day.

Exercise and the Older Adult

Older adults may benefit from regular physical activity as much as their younger counterparts. Physical activity has been show to help improve functional ability and prevent falls and fractures. It can increase appetite, reduce constipation, and promote quality sleep, which are all issues many older adults face. Older adults who already carry a diagnosis of health conditions, such as cardiovascular disease, diabetes, and osteoarthritis can benefit from physical activity as well. The saying ‘use it or lose it’ rings true when it comes to physical activity. The older adult who lives a sedentary lifestyle can experience muscle atrophy and other issues related to muscle disuse. Simple, basic exercises can help prevent these issues.


Physical Activity

 Chris & Oscar kayaking


Okay, hopefully I have convinced you all on the importance of regular physical activity. The benefits are astounding and can help you to live a healthier, happier life. So get out there and run a marathon! Just kidding! You don’t need to run a marathon or be a gym rat to experience the health benefits of exercise.

 Nevia kayaking


Exercise can be broke down into three broad categories; light, moderate, and vigorous exercise. If you are just starting out on your exercise journey, you obviously would start with light intensity and work your way up. Again, it is very important to talk to your healthcare provider before embarking on your exercise journey. Always think safety first. Here are the categories and a few examples of types of exercises that fall into these categories.

Light Exercise
Light exercises includes activities such as walking, light housework, and stretching.

Moderate Exercise
Activities at a moderate intensity includes brisk walking, cycling moderately, or walking up a hill. Walking at a brisk pace has been shown to be as effective as running in reducing the risk for high blood pressure, high cholesterol, and diabetes. Other examples include yoga, hiking, roller skating, boxing, weight training, dancing, and swimming.

Vigorous Exercise
The more experienced or advanced exerciser may be able to participate in activities of vigorous intensity. This level of exercising includes running, fast cycling, heavy weight training, mountain climbing, rock climbing, high impact aerobic dancing, jumping jacks, and jumping rope.

Moderate and vigorous intensity exercises can lead to weight loss, because you are burning more calories.  You can determine the intensity level by the talk test or by monitoring your heart rate. For the talk test, for light intensity you should be able to sing while doing the activity. For a moderate intensity activity you should be able to talk, but not sing. For vigorous activities, you will not be able to say a few words without pausing for a breath.

To monitor your heart rate, or pulse, you should first figure out your maximum heart rate. To do this you subtract your age from 220. So if you are 40 your maximum heart rate would be 180. For a light intensity activity, your pulse would be less than 50% of your maximum heart rate, for moderate intensity your pulse would be 50-70% of your maximum heart rate, and for vigorous intensity, 70-85% of your maximum heart rate.

 Our family hiking in North Carolina



Finding activities that you enjoy makes the exercise process much easier. Also, exercising with a friend or family member can help keep you motivated.
No matter what physical activities you do you can reap the benefits I discussed above. So get moving & keep moving!

 Tubing in North Carolina


Dr. Donna M. Fife DNP, ARNP

Disclaimer: This blog is meant for informational purposes only and does not constitute medical advice. Be sure to talk to your healthcare provider prior to starting your exercise journey.