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Surprising Exercise Science: What’s The Use Of Stretching?

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If you’re like me, you  probably feel guilty about not making stretching a part of your regular exercise routine. I attributed my history of low back pain to lack of stretching, although when I began practicing yoga last year I experienced no lasting benefits. Stretching was uncomfortable and I saw very little improvement in my flexibility for all my efforts. I eventually gave up after one well-meaning yogi told me that I may just be “genetically incapable” of making much progress. I turned to strength training and running with complete resolution of my back pain – though with a continued inability to bend over and touch my toes or sit cross legged for prolonged periods. Oh well. No traditional Japanese dining for me!

And so it was with great surprise that I read the conclusions from a recent analysis (by Alex Hutchinson, Ph.D.) of the science of stretching. I recommend that you read it for yourself (along with the links to the primary source literature). But I’m going to summarize his findings here:

Q: Does stretching reduce the risk of injuries during exercise?

A: Not that we can prove.

Q: Does stretching help you avoid soreness after exercise?

A: No.

Q: Does stretching make you stronger or faster?

A: No. In fact, there is some evidence that stretching can have the opposite effect. Why? Muscles have spring-like properties, so that when they are stretched out, they become less able to transmit as much force. Imagine the difference between the power of a thick, metal spring and a thin metal spring. Studies have shown that the more flexible you are, the less efficient you are as a runner.

My take away message is that there’s no need to flagellate yourself into stretching if you don’t like it. It really depends on what you need to do with your body – if you’re a gymnast, then stretching will always be a part of your life. If you’re a runner who hates yoga, so be it. You may never win a toe-touching competition, but then again, you can probably crush the Primal Games competition. Wish me luck as I attempt to do just that in two weeks!

Study Looks At Online Physician Ratings

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It’s time for some good news!   A study that looked at online patient ratings  about their physicians from 2004 through 2010 showed that the average physician rating was 9.3 out of 10.  That is amazingly high and shows that patients (at least the ones who posted on Dr.Score) are very content with the care they receive from their doctor.  Even though some patients will post a nasty comment about the doctor, the overall patient satisfaction is high.  Seventy percent of doctors earned a perfect 10.

The survey asked patients to Read more »

*This blog post was originally published at EverythingHealth*

The Truth About Weight Gain

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Consuming excess calories increases body fat, regardless of how many calories come from protein. High-protein diets do affect energy expenditure and storage of lean body mass, just not body fat storage.

To evaluate the effects of overconsumption of low-, normal-, and high-protein diets on weight gain, researchers conducted a single-blind, randomized controlled trial of 25 healthy, weight-stable adults in an inpatient metabolic unit in Baton Rouge, La. Patients were ages 18 to 35 with a body mass index between 19 and 30. The study was headed by George A. Bray, MD, MACP.

After consuming a weight-stabilizing diet for 13 to 25 days, participants were randomized to diets containing 5% of energy from protein (low protein), 15% (normal protein) or 25% (high protein). Only the kitchen staff who supervised participants while they were eating knew the assignments. There was no prescribed exercise, and alcohol and caffeine were restricted.

Patients were Read more »

*This blog post was originally published at ACP Internist*

Robot Performs Surgery For Obstructive Sleep Apnea: Is It Over The Top?

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I came across this article the other day regarding use of the daVinci robot to perform base of tongue surgery for obstructive sleep apnea.

For those who don’t know, the daVinci robot system made by Intuitive Surgical is a robotic system whereby the surgeon directs the arms of the robot to perform surgery in difficult-to-access areas of the body.

My feeling is that using a robot to perform sleep apnea surgery is way overkill akin to using a $50,000 sniper rifle to kill an ant on the wall.

Everything the daVinci robot can do can also be done without the robot with equivalent patient outcomes. In fact, Read more »

*This blog post was originally published at Fauquier ENT Blog*

Dosing Exercise: Choosing What’s Right For You

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It is risky.

Stay fresh. Avoid repeating yourself. Don’t rant. Never preach. These would be the ‘rules’ of supposedly good blogs.

And, of course, doctors that dare to take a stance on health issues risk being perceived as pretentious. I get this.

So it is with trepidation that I write a follow-up to last week’s CW post about right ventricular damage immediately after an extreme race effort. Notwithstanding the pompousness concern, I also wish to avoid being labeled anti-exercise. Few believe more strongly in the healing powers of exercise.

But last Wednesday’s comments (both on the blog, Facebook and here on Dr. Val Jones’ BetterHealth blog) were just too good to let rest.

On the assessment of studies: Read more »

*This blog post was originally published at Dr John M*

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IDEA Labs: Medical Students Take The Lead In Healthcare Innovation

It’s no secret that doctors are disappointed with the way that the U.S. healthcare system is evolving. Most feel helpless about improving their work conditions or solving technical problems in patient care. Fortunately one young medical student was undeterred by the mountain of disappointment carried by his senior clinician mentors…

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I am proud to be a part of the American Resident Project an initiative that promotes the writing of medical students residents and new physicians as they explore ideas for transforming American health care delivery. I recently had the opportunity to interview three of the writing fellows about how to…

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Latest Book Reviews

Book Review: Is Empathy Learned By Faking It Till It’s Real?

I m often asked to do book reviews on my blog and I rarely agree to them. This is because it takes me a long time to read a book and then if I don t enjoy it I figure the author would rather me remain silent than publish my…

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The Spirit Of The Place: Samuel Shem’s New Book May Depress You

When I was in medical school I read Samuel Shem s House Of God as a right of passage. At the time I found it to be a cynical yet eerily accurate portrayal of the underbelly of academic medicine. I gained comfort from its gallows humor and it made me…

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Eat To Save Your Life: Another Half-True Diet Book

I am hesitant to review diet books because they are so often a tangled mess of fact and fiction. Teasing out their truth from falsehood is about as exhausting as delousing a long-haired elementary school student. However after being approached by the authors’ PR agency with the promise of a…

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