Chris Kilham practicing yoga. (Photo by Al Rubin)

The idea that yoga is beneficial is not new. But new studies continue to advance our understanding of the health benefits attained through yoga practice. Three studies reported in the April 2014 issue of the Journal of Alternative and Complementary Medicine show that yoga can improve balance and reduce fear of falling, helps to reduce and regulate blood pressure and can improve important aspects of cardiovascular health.

As we age, it is common to experience a loss of balance and an increased risk of injury due to falling. Yoga, with its great emphasis on enhancing overall balance, demonstrates the capacity to reduce age-related imbalance and the tendency for fall-related injuries. Researchers at Johns Hopkins University examined 152 studies on yoga, identifying 15 that assessed balance-related issues. Among these, 11 studies showed that yoga practice can enhance balance, reduce the incidence of balance-related falls and reduce fear of falling a common issue among seniors.

The balance study was not based on one style of yoga or on one particular practice, but on several styles, and on a number of methods aimed at improving balance, especially one-legged standing poses.

Yoga is low impact and can be adapted to meet the abilities of most people. Yoga practice shows no negative interactions with medications and improves body awareness, a factor in loss of balance. The bottom line of this study was that yoga can improve balance and reduce falls that lead to injury. For seniors, this is a significant gain.

The second yoga study, conducted at the University of South Carolina College of Medicine, examined the effects of Hatha yoga on blood pressure among a group of young people. Hatha yoga is the most commonly practiced of yoga styles. The study involved a group of 28 seventh-graders. Half of the group participated in school-based yoga practice for three months, while the other half attended a music or art class. Among these students, some were pre-hypertensive, meaning they exhibited standard clinical signs of early-stage high blood pressure.

Overall, the students who practiced yoga had lower resting blood pressure and reduced a-amylase activity, a determining factor in high blood pressure, as determined by a variety of tests. Researchers concluded that Hatha yoga helps to decrease resting blood pressure and regulate important nerve and hormonal factors that can lead to blood pressure disorders. This finding is consistent with other assessments of blood pressure among those who practice yoga. Given that high blood pressure is a common problem that can lead to other health complications and increase mortality, this benefit is significant.

The third yoga study, conducted by researchers at Eastern Virginia Medical School, examined a group of Tibetan yogis who engage in an extreme yoga practice known as Tumo, or Tum-Mo, at very high altitude in the freezing Himalayan cold. This technique seems to enable the yogis to maintain normal body temperatures at very cold temperatures, apparently without harm.

Dum-Mo has been studied and filmed by American cardiologist Dr. Herbert Benson, who founded the Mind/Body Medical Institute at Massachusetts General Hospital in Boston. In Bensons film, the yogis, clad only in loin cloths, sit on the freezing ground melting iced sheets wrapped around their bodies, while members of the film crew huddle in heavy down-filled mountaineering gear.

The Eastern Virginia Medical School study examined various cardiovascular factors of both non-yogis and yogis in sub-zero temperatures. As expected, the non-yogis were not capable of generating inner body heat, and had to be warmed to maintain a healthy body temperature. The Tum-Mo practitioners stayed warm without shivering. Analysis of heart rate, blood pressure and numerous other factors resulted in the conclusion that this mystifying practice somehow enables the Tum-Mo yogis to activate brown fat and generate heat, increasing overall blood flow greatly and decreasing peripheral vascular resistance.

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New studies offer evidence of the mind and body benefits of yoga

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SUBMITTED PHOTO Yoga and bootcamp classes return to Cushman Park, Fairhaven. Yoga will run every Tuesday from 8 to 9 a.m. June 17 through Aug. 19 and bootcamp classes will run every Thursday from 8 to 9 am. June 19 through Aug. 21. Bring a mat for yoga and a mat and weights for bootcamp. All classes are weather permitting. Cancellations will be posted on the Facebook page: http://www.facebook.com/fitnessincushmanpark. For more information call (508) 287-2482.

FAIRHAVEN Fitness is alive and vital again at Cushman Park, Fairhaven this summer! The South Coast community can keep fit and stay healthy with free exercise classes taught by two of the top fitness instructors in the area.

Twenty free classes in all Yoga in the Park with Kripalu Certified Yoga Instructor, Jeff Costa and Summer Bootcamp with Certified Functional Trainer, Wayne Goulart are held through the summer in Cushman Park on Green Street.

Yoga in the Park will take place starting June 17 and continue for 10 weeks through Aug. 19 every Tuesday from 8 a.m. to 9 a.m. This is a gentle yoga series for all levels, designed to introduce newcomers to the basics of stretching and mindfulness and challenge yoga enthusiasts with a focus on compassion for the body. Summer Bootcamp, begins June 19 and continues each Thursday from 8 a.m. to 9 a.m. through Aug. 21. The bootcamp class consists of various exercises that build functional strength and core stability with circuits utilizing light dumbbells and body weight exercises.

Yoga in Cushman Park's instructor, Jeff Costa, RYT200 is a Yoga Alliance Nationally Certified Instructor and a graduate of the Kripalu School of Yoga and Health. He is the fitness director at Carabiner's Climbing and Fitness Gym in New Bedford. With 25 years experience in the fitness industry and a BA in liberal arts from Boston University, the strength of Jeff's teaching lies in his attention to detail and his compassionate approach to students' needs. Jeff's authentic voice and classical approach to alignment create a class environment which engenders happiness, personal power, and peace of mind.

Summer bootcamp instructor Wayne Goulart's career in health and wellness began as a hobby when he started lifting weights with his brother in the basement of his family home. That hobby grew into a lifestyle and eventually a passion. Wayne is a certified personal trainer (A.F.P.A.) and has been working for 10 years as lead trainer at the New Bedford YMCA. A certified group exercise instructor, in 2009 Wayne was a featured instructor at Fitness at Cushman Park. Wayne's specialty is functional training and his clients are from all walks of life, ages and fitness levels.

Attendees to the classes should bring a mat for yoga and a mat plus set of weights for bootcamp. Classes take place weather permitting cancellations will be posted on the FaceBook page: http://www.facebook.com/fitnessincushmanpark .

Fitness in Cushman Park is presented free to the public only because of generous support from community contributions. Last summer's classes were a resounding success and over 50 fitness enthusiasts attended each session.

For more information about the fitness program or to sponsor Fitness in Cushman Park, call (508) 287-2482.

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Yoga and summer bootcamp classes return to Cushman Park