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 Weight Loss and Joint Health

The joints of the body are junctions that connect bones. Their main functions allow us to bear weight, and give us the ability to move. Because of these functions, joints are constantly under stress and eventually begin to deteriorate; and for those who are obese or even slightly overweight, the stress on joints is even greater which can accelerate joint deterioration.

The joints that take the brunt of the effects are the weight-bearing joints, like our hips and our knees. The more weight we carry, the more stress that goes through these joints, therefore incurring more damage. For each pound of excess weight, there is about 4 pounds of pressure exerted on the knees. So an individual who is 20 pounds overweight, has about 80 pounds of extra pressure going through their knees! If you then factor in all the steps you take, and stairs you climb etc., you can imagine the amount of stress those weight-bearing joints are receiving.

If you are already suffering from severe joint damage (osteoarthritis), and are at the point where you need or recently had joint replacement surgery, it is still important to monitor your body weight! Losing weight before surgery can lessen the chance of complications during the operation, as well as help cut down recovery time after the surgery is complete. Losing weight after the operation can also aid in a quicker recovery and also reduce the risk of damage to the artificial joint.

So how do we save our joints?

Start today by making healthy choices to reduce body weight. Proper nutrition in conjunction with exercise can aid in weight loss and reduce stress on joints. Weight training will strengthen the muscles and bones around those weight- bearing joints. The better the ability of our muscles to control our weight through movement, the less stress our joints will have to endure.

 

By David McCalla

The Effects of Exercise on Psychological Well-Being

Cardiovascular Training (aka “cardio” or “endurance training) refers to positively stressing the heart muscle by elevating our heart rate through prolonged, repetitive activity.  This form of activity yields a long list of benefits ranging from improved blood flow throughout the body, lowered cholesterol, decreased chances of certain cancers (breast, colon), increased lung capacity, and weight loss.  Most professional organizations recommend performing this activity for at least 3 or more days out of the week for at least 20-30 minutes of a moderate intensity in order to receive the best benefits.
Understanding that cardio does not have to come in the form of treadmill running or cycling is a key element.  Recreational sports, golfing, walking, and even long-term yard work can all yield similar benefits if performed for a longer period of time.  Many people have heard of the aforementioned pros of cardio but forget about the psychological effects.  Especially for those whom wish to lose weight but are struggling to stay motivated and start a weight-loss program, it is important to note that cardiovascular training can improve a person’s general well-being, mood, anxiety levels, and self-concept.

A few research studies have been done over recent years which provide evidence of the psychological benefits of CV training.  A 15-week study was performed on 35 overweight or mildly obese women to test the effects of brisk walking for 45 minutes, 5 days/week on certain psychological aspects.  The results of this study showed a significant improvement in general well-being, energy levels, and lowered anxiety in the group that performed cardiovascular training versus the group that performed no exercise at all (Cramer, et al).

Another study that was conducted in recent years involving the effects of physical activity on weight loss and mental health received results which pointed to physical activity being the reason for mental health improvements and elevations in mood, not specifically cardiovascular fitness.  Not only did these subjects lose a significant percentage of body fat due to various forms of physical activity, but their mental health improved as well (Thirlaway, et al).

Therefore, the take home message would be that it may not necessarily matter how fit someone is in order to lose weight and improve their mental state of being.  Regardless of the success you are having with your weight-loss regimen, performing cardio or any form of physical activity has been linked to an improved state of mind.  With a healthier mental state/mood, we as humans are more likely to continue to be active, and the more activity we perform the better chances of shedding pounds.

 

By Anthony Locast

Cramer, Sylvia R., David C. Nieman, and Jerry W. Lee. “The effects of moderate exercise training on psychological well-being and mood state in women.” Journal of Psychosomatic Research 35.4 (1991): 437-449.

Thirlaway, Kathryn, and David Benton. “Participation in physical activity and cardiovascular fitness have different effects on mental health and mood.” Journal of psychosomatic research 36.7 (1992): 657-665.

Lowering Your Blood Pressure

The word “cardio” refers to the heart, a muscle that pumps blood to our entire body. When you are doing any cardiovascular exercise the goal is to strengthen your heart and make it work more efficiently. Cardiorespiratory exercise is often associated with running and weight loss. Yes, running is one form of “cardio,” but there are many options like the elliptical, biking, swimming, walking, and basically anything that keeps your heart rate elevated. Cardiovascular exercise can help with weight loss, but it also helps the body in other ways, especially by decreasing high blood pressure (BP).

Blood pressure is the force of your blood pushing against the walls of your blood vessels. High BP is when the pressure is consistently too high; BP can be classified as “too high” when either your resting Systolic (top) or Diastolic (bottom) numbers are 140/90 mmHG or higher. High BP is often referred to as the silent killer because of not regularly checking you pressure. High BP typically cannot be felt, but over time the pressure causes damage to the walls of your arteries and can damage some of the organs in the body as well. If cardiovascular exercise, as well as, a better diet is introduced slowly to someone with high BP, they have the ability to lower it. Normal blood pressure is considered 120/80 mmHG at rest. BP and heart rate (HR) don’t coincide; because your HR is low does not mean your BP is low.

To manually take a blood pressure reading, you need a sphygmomanometer (blood pressure cuff) and stethoscope for a trained individual to obtain your BP. There are also automated devices which can be used to take a BP reading. If you already have high BP it is not recommended to do intense cardiovascular exercise, because BP increases with increased intensity. If you have high BP, be sure you speak to your doctor before starting an exercise program. When you are cleared to exercise then low-moderate intensity cardio to start and slowly increasing the intensity of the exercise program can help lower your BP over time.

During exercise it is normal to have the systolic number increase and see a reading of 160/80 mmHG and this is not considered high BP. Even in healthy individuals the systolic reading can exceed 200 mmHG; however diastolic BP changes very little during exercise. This increase will only occur during exercise; when you stop exercising, BP will decrease maybe even lower than pre-exercise levels. Cardiorespiratory exercise is good for individuals with high blood pressure because it will help to lower it over time.

Cardiovascular exercise has great benefit on the heart and in turn makes your body more efficient. When your body works more efficiently your heart doesn’t need to pump as heard during rest thus you will have a lower BP. Another benefit to having a more efficient heart is that the same mile you walked on the first day will become easier over time; it won’t feel as challenging to obtain the same goals. As your body becomes more efficient, you have to make your exercise a little more challenging to keep thosenseeing results.

 

By: Corynne Duprey

Physical Activity for Type 2 Diabetes

Over 1 million American people have Type 2 diabetes and over 90% of that population is considered overweight. The top 3 major lifestyle risk factors associated with chronic disease, cancer and stroke are 1) tobacco use 2) lack of physical activity, and 3) poor dietary habits. Dietary habits and physical activity go hand in hand when it comes to reducing your risk of developing Type 2 diabetes. While there are many approaches to losing weight, 1/3 of Americans are on weight loss diets which claim to provide a “quick fix.”  There are over 150,000 books related to weight loss on Amazon.com; however, creating a lifestyle change is the key to long term success.  There is so much information out there between books and the internet- let’s establish some facts and focus on how physical activity impacts Type 2 diabetes and promotes weight loss.

Physical activity accounts for about 25-30% of the body’s total energy expenditure in a given day. (Physical activity includes walking around the office, climbing stairs at home, or standing up from a chair v. exercise which is regimented.) Before starting an exercise program, finding out your basal metabolism (BMR) will tell you how many calories your body is burning in a day. BMR is the energy expended to sustain basic life functions such as respiration, heart beat, nerve function and muscle tone. BMR accounts for about 50-70% of total energy expenditure. Once your BMR is calculated, we can then better understand and properly prescribe how intense your exercise program should be with consideration of your BMR.

Maintaining healthy body weight by balancing caloric intake with energy expenditure is typically the most challenging part of weight loss.  Too much exercise with too little nutrient dense foods can cause you to lose vital fluids and micronutrients.  Too little exercise with too much food can lead to weight gain.  Remember 2 things: 1) healthy weight loss is 1-2 lbs per week and 2) you must expend and extra 3,500 calories to lose 1lb.  For example, decrease your caloric intake by 500 calories a day without any exercise you will lose at 1 pound over the course of seven days. Walking 1 mile is about 100 calories expended. An extra 100 calories burned a few times each week paired with a 500 calorie deficit and you will reach your goal of 1-2 pounds a week.  The key is setting reasonable goals and starting with small changes to make big differences.

It’s important not to just focus on weight loss but overall health. Physical activity of at least 30 minutes a day can lower blood pressure, lipid levels, and blood glucose. The main focus is creating sustainable lifestyle changes. Focus less on the weight loss and more on overall improvements in fitness levels. Remember, fit people are healthier than unfit people of the same body composition. Being active much is healthier than being sedentary.

 

Adding Variation & Increasing the Fun

If you’ve ever spoken to a physiologist about an exercise routine, you know the #1 rule is to make it fun. Find a workout or activity that you enjoy doing, and you’ll never have to force yourself to do it. It may be hard to believe, but banging weights around in a gym can get boring for people from time to time. When that happens, try to change up the workout to something different and new to keep the fire alive! Find a new route on your walk/run, try a new exercise or routine to avoid that horrible “Oh great, THIS again” feeling. The term most health professionals would use for this is “The Variation Principle.”

Here are a couple of routines you can try to help vary your workouts!

Beach Day Cardio:

Now, cardio workouts may seem more challenging, but with a change of scenery and giving yourself some variation, you can get it done with a smile on! The lifeguard stands down in Long Beach are about 500 feet apart, depending on crowds. 5 stands out and 5 stands back is about a mile!

  1. Run between a set of stands, then jog between a set of stands for a great interval cardio session! Modify by alternating between jogging and walking. Up the intensity by switching between sprinting and jogging.
  2. Try moving through the soft sand for a set, and then to the packed sand for a set (tougher than it sounds).

Fun in the Sun Circuits

Looking for a great total body workout that won’t kill your beach time? These total body circuits don’t require any equipment at all, only your body!

#1

  • Plank for 20 seconds
  • Jumping Jack or Jog for 15 seconds
  • Bodyweight Squat for 12 reps
  • Pushup for 10 reps

Repeat 4 times!

#2

  • Shoulder Circles 20 fwd, 20 backward
  • Walking Lunge 8 each leg
  • Flutter Kicks for 20 seconds
  • Mountain climber 20 seconds

Repeat 4 times!

 

By Matt Rhodes

Sun Safety for Outdoor Workouts

The summer is here and people are enjoying being outside. Whether it is soaking up the sun at the park, the beach, the pool, a backyard BBQ, or even heading out for your workout. In general, we tend to spend more time outside over the summer. The fresh air of being outside is a great change of pace from your regular gym routine.

Being outside more also means protecting yourself from the sun; one of the first things to do every morning is make you apply sun block on your face. Especially if you plan on being outside for a long period of time, apply sun block to you exposed skin. A plain white t-shirt has an SPF of about 7. SPF measures the sunscreen’s protection from UVB rays not UVA rays. UVB rays are the kind that cause sunburn and contribute to skin cancer. SPF does not measure how well a sunscreen will protect from UVA, rays, which are also damaging and dangerous. Dermatologists recommend using a SPF 15 or SPF 30 sunscreen. Higher SPF sunscreens may not provide much more protection. That being said, it is important to reapply sun block and give your skin a break from the sun every so often.

If you are planning an outdoor workout, here are a few tips to make sure you’re keeping your skin safe!

  • Make sure your hydrated before the workout even starts
  • Before leaving the house, apply sun block to allow it to soak in- it is very easy to get distracted once you step outside to the beautiful weather
  • As you sweat, you may wipe away your sweat which will also wipe off your sun block. Try using a “Sport” sunscreen to help minimize this
  • Post-workout, try to cool down by staying in the shade. Remember to reapply if you plan on staying out in the sun

Outdoor workouts are great as long as you are practicing safe sun! Remember that your skin is the largest organ you have and it is important to protect it.

 

By Corynne Duprey

Exercising in the Heat

A nice, sunny day might give you a little more motivation to do your workout outside. However, for some people being outside in the sun can be exhausting and you’ll find yourself drained by the end of the day. This can be a bad combination especially without taking proper hydration precautions. More often than not, people are suffering from some degree of dehydration yet think their daily water intake is more than adequate. Hydration is not something that comes from same day water intake; hydration is a consistency of proper fluid intake from days prior.

Simply, warmer weather and higher humidity can cause your body to sweat more. The more you sweat the more fluids your body is losing which can cause dehydration if you are not replacing them. If you’re already dehydrated before heading outside, then you may find yourself lethargic and losing energy more quickly. This can easily be prevented and should be taken quite seriously. The general guideline is that you should be drinking 8 8-ounce glasses of water each day. However, this may not be enough for some people; aim for half your body weight in ounces or .5oz-.75oz of water per pound of body weight. For example, if you weigh 150lbs you should be consuming 75oz of water per day.

Especially when you’re exercising outdoors, it is important to be properly hydrated before heading out the door. Regularly consuming the proper amount of water will help you feel better, more energized, and have successful outdoor workouts!

 

By Tyler Palmquist

What’s Wrong with Being a Weekday Warrior?

If you’ve ever taken to Google for weight loss advice, you may have come across a rule called “80/20.” Put shortly, it explains that you eat a healthy, strict diet 80 percent of the time and you can let loose the other 20 percent. Essentially eating whatever you want even if it is “unhealthy.” This is a popular approach for many because it appeals to those who work hard during the week and use that as an excuse to binge on weekends. But here’s the issue: it doesn’t work like that.

Let’s talk to about an imaginary client named John Doe. John exercises at Peak and his goals is to lose one pound per week. He’s learned from his Exercise Physiologist that he needs to be expending 3500 calories more than he consumes. He takes a Resting Metabolic Rate test and finds out that to achieve his goal, he needs to eat 1800 calories a day to help him lose that pound. John Doe works really hard during the week to hit his goal; he comes into Peak every morning for his 7AM workout. But then Friday comes around and he decides to hit happy hour after work. John goes over his calorie budget for Friday. He has a family BBQ on Saturday and does the same thing. Sunday John Doe eats okay but misses his weekly workout. This form of eating is often referred to as “binging” and is an unhealthy habit. It’s only 2 days, but Saturday and Sunday account for 28% of your week. By not monitoring his calories on the weekends, John accidentally eats too much and doesn’t lose any weight this week.

Use this graph as an example of how John’s calories look each day:

The moral of the story here is moderation! One slip up will not put you into the red, but a series of slips ups or “cheat days” might! Finding that balance is the key to your weight loss success. You can go to happy hour once in a while and enjoy the graduation BBQ, but it is important to remember not to let that one event string into a series of bad days, thus slowing your progress.

 

By Matt Rhodes