Showing posts with label strength. Show all posts
Showing posts with label strength. Show all posts

Thursday, 13 December 2018

New Practices and Techniques I'm Exploring Lately

Glazed Cruller in Space by Kenny Scharf
In my post My Evolving Home Practice ) in April of this year I described some of the main things I had been focusing on in my home practice. Although it has not been a full year since my last check in with you all, there are two different ways of practicing I’ve been experimenting with that I felt warranted an update.

Making Space in Joints 

One of the most common complaints I hear from my students is that they have pain around the joints. The technique of creating more space in affected joints is one that I have found helpful for this problem both personally and for my students. For example, when my knees are feeling cranky and sore, I will actively lift my thighbones away from my shinbones in standing poses to create more space between the boney surfaces of the knee joints. For me, this results in more muscular engagement around the joints and usually lessens any pain that was there before. I apply this way of working to just about any movable joint in the body when any of these joints are troubling for my students or me.

What has shifted recently is the idea of sequentially involving as many joints as I can in a pose. For example, in Mountain pose, I start by feeling grounded evenly in the feet, then lift the shins away from the feet, the thighs away from the shins, the pelvis away from the thighs, and the individual spinal bones up off one another, all the way up to lifting the skull away from the cervical spine. When used in the static version of poses, this technique establishes a clear lift away from gravity, engages the muscles around many joints, and feels very strengthening and quite good on the joints. It is also a great way to focus the mind on remaining in the body for longer holds. As I have been getting familiar with this expanded way of making space in joints in many poses, I have started to share it with my classes lately with good feedback from my students. I hope to share more specifics via my YouTube videos in the coming months. Stay tuned by subscribing to my YouTube channel.

Slow Motion/Outer Space Yoga 

Here at YFHA, we have often discussed how to use yoga poses to build strength, via different ways of contracting muscles (see Strength Building: How Long to Hold Poses). But recently I’ve learned about some new research that gave me some new ideas. In addition to reading blogs about yoga-related research and practice, I also follow the blog The S&C Research Reviewof Chris Beardsley, a British athletic trainer and writer, who focuses on evaluating the research on weight training and strength building. He recently pointed out that multiple studies are showing that eccentric muscle contraction is as or more effective in building strong muscles as static holds and concentric muscle contractions. 

For those of you who are not familiar with the term, eccentric contraction (which I discussed in my post Strength Building: How Long to Hold Poses is when a muscle is still contracting while slowly lengthening. What?? You might be saying to yourself, “That does not seem to make any sense!” Let me give you an example of how it works: as you slowly lift your arms out to the sides and up from Mountain pose up into Arms Overhead pose, the muscle at the tops of the shoulders, the deltoids, are contracting and shortening on the way up (this is known as concentric contraction). However, if you slowly lower the arms back down, that same muscle is continuing to contract, but it is lengthening, to allow for a smooth even descent of your arms. 

This is eccentric contraction. Several of the studies on resistance weight training to build muscle used eccentric muscle contractions of 3-4 seconds (for instance, taking 3-4 seconds to lower the arms to the sides as described above). If you want to read more on this topic, see here.

In those studies, subjects are using weights of some sort. In yoga asanas, we use our own body weight instead, but that’s still “lifting weights”. So, with all that in mind, I have been taking dynamic versions of poses and my mini-vinyasas and slowing the time in and out of poses (4 to 6 seconds for each specific movement) while keeping the breath relaxed. That might mean you take two full breaths to make the move instead of just one inhalation or exhalation. When you practice this way, it looks like you are moving in slow motion and even has that look of weightless movement you see with astronauts on space shuttle missions, ergo the name. But it feels like you are working in a very different, stronger way than when moving in and out of a pose on just the inhalation or exhalation. The slower movement also requires more concentrated focus, which I consider an added benefit. I’d love to see a future yoga study on strength improvements comparing dynamic poses (moving in on and inhalation and out on an exhalation) with static poses and this slow-motion version to see which is more effective in building strength. It is also my intention to create some videos on this style of practice to share with you in the near future. Stay tuned by subscribing to my YouTube channel.


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Friday, 14 September 2018

Restoring Lost Strength

by Nina
Old Man in Warnemunde  by Edvard Munch
— “no matter how old or out of shape you are, you can restore much of the strength you already lost”—Jane Brody, New York Times

I recently read a New York Times article Preventing Muscle Loss Among the Elderly thinking that I might learn something new about age-related muscle loss, a topic we have addressed frequently in the past. It turns out I was a bit disappointed. It even looks like I could teach Jane Brody a thing or two, as she conflated age-related skeletal muscle atrophy with sarcopenia. Sarcopenia is the stage that some people reach as they are aging when they have an amount of skeletal muscle mass that is significantly lower than the average muscle mass of the general population. Just because Brody has less strength than she used to doesn’t mean she has sarcopenia (and since she exercises very regularly, I’d be surprised if she did). For information on the difference between age-related skeletal muscle atrophy and sarcopenia, see Age-Related Muscle Loss and Sarcopenia, in which I interviewed Dr. Chris Adans, an expert on sarcopenia about both muscle and bone strength.

However, I did notice that Brody provided a link to an older study about restoring strength in very elderly that you might want to know about. In this study, High-Intensity Strength Training in Nonagenarians Effects on Skeletal Muscle, researchers worked with ten volunteers who aged 90 and over and who were frail and living in institutions. They started by measuring leg strength and walking time and found that “quadriceps strength was correlated negatively with walking time.” So, the less quadriceps strength the volunteers had, the slower they walked when they were given a tandem gait test, which is toe-to-heel walking, as in walking the line. They then had the volunteers undergo eight weeks of high-intensity resistance training. For the nine who made it through the eight-week program, strength gains on average more than doubled. And the mean walking speed, tested again through tandem gait, improved 48 percent.

Isn’t that inspiring? Clearly it is never too late to work on strength building. And becoming weak with old age is not a given as if you work on strength building now. Even though the study I discussed here used high-intensity strength training to help the test subjects restore their strength, the sarcopenia expert I myself interviewed did include yoga as a type of resistance exercise that would help prevent skeletal muscle atrophy. Here’s Dr. Chris Adams advice:

“At this point, the recommendations are pretty general and would consist of: 1) maintaining a healthy diet, 2) resistance exercise, such as yoga or weight lifting, assuming there is no medical contraindication to exercise, and 3) avoiding preventable or treatable risk factors for other conditions that cause skeletal muscle atrophy, such as smoking, alcoholism, hypertension, obesity, high LDL cholesterol, etc.”

For more on practicing yoga for strength, see Yoga Asanas: Endurance Training or Resistance Training? and Techniques for Strength Building.


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