Posts Tagged "weight"

Whole body vibration, positive vibrations!

Posted by Liz on Apr 20, 2009 in exercise | 0 comments

Whole body vibration. Whoa! What comes to mind are those machines from the 30s and 40s with the vibrating belt. Although they didn’t work very well, it seems the principle behind them might not have been so far-fetched after all. In fact, whole-body vibration appears to enhance the positive effect that resistance training has on body composition.

Whole body vibration (WBV) was evidently based on ancient Greek principles but more recently developed by the Russians to rehabilitate astronauts who may have lost muscle and bone mass during space missions. Around for centuries, it’s currently being embraced by sports medicine clinics and fitness facilities. A quick search on the National Library of Medicine’s PubMed database also shows that it’s caught the eye of researchers as well.

So what does WBV have to do with menopause?

In a small study that appears in the journal Maturitas. researchers examined the effects of WBV added to resistance training in sedentary  postmenopausal women. For eight months, 55 participants engaged in one of the following, three times a week:

• Resistance only training (weight training at 80% strength, 3 sets, 10 repetitions)
• Resistance training (as above)  plus WBV using a powerplate vibration platform
• No exercise

Study findings showed that while both resistance training alone and resistance training with WBV led to significant increases in total, arm and trunk lean body mass, only the combination of training and WBV actually significantly decreased total body fat percentage.

Clearly, larger studies are needed. But this does lend hope for accessible, safe and effective ways to combat the natural loss of lean body mass/ redistribution of body fat as we age.

As Bob Marley said…positive vibrations!

Poor man’s plastic surgery, and even better!

Posted by Liz on Feb 9, 2009 in breast cancer, exercise | 5 comments

Exercise! Benefits aside, loved this poster! But that’s not the reason for this post.

Not only can exercise help improve mood and keep bones strong during menopause, but it appears that physical activity after menopause may help to lower the risk for breast cancer. Yet another reason to keep moving that body of yours.

German researchers evaluated the health records from 3,414 postmenopausal women who were participating in a study on breast cancer. Physical activity (sports, cycling, walking) was assessed during two periods — ages 30 to 49 and over age 50 — and compared to non-recreational physical activity (occupational, household activities).

Study findings showed that physically active women had a .71 lower odds of developing breast estrogen and progesterone receptor positive breast cancer. A similar effect was not seen on estrogen/progesterone receptor negative cancers.

Notably, these results remained even after the researchers took into account weight gain, body mass index and caloric intake, leading the researchers to conclude that continuing to be active after menopause may help to reduce the risk of developing certain breast cancers. This effect appears to be related to specific hormonal pathways and not body composition.

The study was published in the December 1 issue of Cancer, Epidemiology, Biomarkers & Prevention.

Strong motivation to keep moving, right?!

Move Your Body

Posted by Liz on Sep 19, 2008 in weight gain | 6 comments

[youtube=http://www.youtube.com/watch?v=A65Ok9WjOdE]

30 minutes of exercise a day will keep the menopause weight away.

Evidently, this may be  a dream. In fact, it turns out that you may need a lot more than 30 minutes of physical activity to maintain your desired weight.

Current guidelines specify that most folks need about 30 minutes a day for at least 5 times a week. That averages out to 150 minutes of exercise a week. However, keeping the weight off may require at least 55 minutes of moderate intensity physical activity five days week on top of normal activities, or 275 minutes a week.

Yikes! Who has time?

A recent study, published in the Archives of Internal Medicine, suggests that this amount of exercise, in combination with daily intake of about 1,200 to 1,500 calories, is important for sustaining weight loss of more than 10%. Now granted, the women in this study were overweight and obese to begin with, which is why I’m encouraging you to check out the abstract for more study details.

However, this begs the question, is the 55 minutes daily activity requirement relevant for women of normal weight?

I did a deeper dive into this issue to see if I could uncover some answers.

According to the USDA’s Dietary Guidelines for Americans 2005 (this report is published once every 10 years), adults need at least 60 to 90 minutes of daily physical activity to maintain normal weight (while, at the same time, not increasing caloric intake).

More specifically, you may need at least 60 minutes of moderate to vigorous exercise daily to stave off gradual, unhealthy body weight. 30 minutes daily can help prevent chronic diseases.  To achieve optimal physical fitness, the recommendations suggest that you incorporate cardiovascular conditioning, weight training, and resistance exercise to improve strength and endurance.

Sounds daunting, doesn’t it?

I’ve asked a few physical fitness experts to weigh in on this post so be sure to check the comments section. And I’d love to hear your questions as well – this is an important dialogue.

In the meantime, guess it’s time to get moving.