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How to stay fit in your 60s and beyond

December 8, 2014

MINNEAPOLIS ó Dr. Jamie Peters counsels his patients on fitness for the aging, and Denis Nagan is the model patient.

Nagan, 69, has been active in sports or fitness since grade school. Peters is a sports medicine specialist caring for aging athletes and other older adults wanting to preserve or improve their fitness.

Peters advises older people to stay active, with at least three days a week of moderate activity, intensifying the effort if possible to the point of not being able to carry on a conversation. He advocates cross-training to spread the stress of exercise among different muscles. Itís particularly important to exercise the core muscles, he said, because a strong core will diminish the kind of awkward gait people adopt when compensating for joint pain. But when cross-training isnít possible, Peters advocates walking ó itís better than not walking.

Nagan has found his own path, on the brink of qualifying as a septuagenarian, to most of what Peters prescribes. Fitness has been an integral part of his life since he joined a swim club as a kid. But in his late 60s, he found himself adapting his regimen to meet changing physical and mental health needs.

He has biked throughout his life ó for transportation, for fitness and to compete, culminating in the 1,200-kilometer Paris-Brest-Paris ultramarathon bike tour. He was a runner for the same reasons, to the point of logging 50-kilometer training runs with former Olympians. But these days heís more likely to move at a pace that fits his age and lifestyle, something that many older adults can emulate.

"I walk for utility and I walk for aimlessness," the northeast Minneapolis resident said. A trip to pick up an item at Home Depot? Thatís a two-and-a-half-mile walk. A walk downtown to the library, or to catch the Blue Line to the V.A. hospital, is 7 or 8 miles round trip.

"Itís been very beneficial both mentally and physically," Nagan said. Walking lacks the cardio intensity of biking and running. Sometimes heíll jog up a hill, just to push his heart rate and get some of the cardiovascular benefits Peters prescribes.

"My legs are strong and I can hike all day," said Nagan. "I just canít go as fast as I used to, and I donít know that thatís important. Thereís no reason to go fast other than you did at one time go fast."

For a greater challenge, Nagan tackles the physically demanding ups and downs of the Superior Hiking Trail, a trail edging Lake Superior in northeastern Minnesota. "If Iím in the city, I call it a walk. When Iím in the country, I call it a hike."

Unlike many walkers, Nagan eschews headphones. That leaves his mind free to operate on two tracks. "Iím very aware of whatís going on around me. Iím always aware of whoís around, whatís around, whatís going on. Iím always tuned into the immediacy of the moment." That includes the temperature, the breeze, the surface heís walking on. "Itís always different even if youíre going the same route."

Meanwhile, his mind is working subconsciously. "All of a sudden I might have a solution to a problem Ö The subconscious part of your mind is back there grinding away."

That mindfulness is a carry-over from Naganís meditation and yoga practices, something Peters also prescribes for building core strength and balance. Why is yoga better than, say, pushups and situps? Yoga can be modified by a capable instructor to avoid positions that might impose undue stress on the body.

Lifelong athletes inevitably will find themselves making adjustments, with performance beginning to diminish after 40 or 45 years old. Peters recommends age-group competitions as a healthy adjustment for people driven to maintain high levels of fitness. "I think the healthy attitude is you set expectations that you can achieve," he said.

Nagan finds other benefits from a less punishing exercise regimen. "The biggest is youíre not beat up all the time." When he ran hard, "Youíre always sore ó thereís always something thatís sort of semi-broken. It feels good to not have to be worried about how fast youíre doing something."

Joint issues are a common concern for aging athletes. The older a person, the greater the chance for joint pain caused by degenerative arthritis (i.e., thinning cartilage lining in the joints). Peters still emphasizes the importance of exercise, even for patients suffering from stiff or aching joints. Peters points to solid evidence that movement prolongs joint life by keeping the synovial fluid healthier and the cartilage better nourished. Here, too, it can help to emphasize core strength ó a stronger core prevents exercisers from adopting one of those strange gaits, prone to cause even more problems. One low-impact way to exercise with arthritis is riding a bike or a stationary bike with mild to moderate resistance for 35 to 40 minutes a day.

Arthritis can also be addressed by relatively inexpensive steroidal injections. These can relieve discomfort for several months, Peters said. That relief makes exercise easier while allowing for a more normal gait and diminishing the chance of further injury.

Another big issue for older athletes is losing muscle mass, which canít be replaced once lost. Peters recommends resistance activities such as weight workouts for all his patients, but especially those over 60.

Like Nagan, Peters at 61 has a stake in preserving a high level of fitness for his age. "I want to keep being able to hike high up in the mountains," he said from Colorado, where heíd just finished a daylong hike at altitude. He runs weekly, which is as much as his knees allow, but also bikes both on the road and on a stationary bike, works out on roller skis for dryland training, and skate-skis during the winter.

Some of Petersí patients embody the benefits of workout regimens like his. "I have the honor of taking care of a lot of octogenarians who are healthy and doing well," Peters said. "They have a lifelong habit of staying active."

 

 



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