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Museums Are Developing Programs for People With Memory Loss

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Museums across Minnesota and Wisconsin are developing cultural programs for people with Alzheimer's and dementia. Designed to help stimulate past memories and provide a welcoming social space for patients and their caregivers, the programs, collectively called SPARK!, include art tours, painting classes, and even dance. 

So far, ten museums are participating in SPARK!, which works in partnership with the Alzheimer's Association. According to Smithsonian.com, the primary goal of the programs is to “use artwork and other sensory input to help stimulate long-term memory retention among patrons.”

According to The Star Tribune, the SPARK! guided art tours focus more on personal experience and memory than arts education. Tour guides provide some background on each work of art, but are primarily focused on stimulating conversation amongst their audience. Some tours even incorporate other sensory items like scented candles or textured cloth to help spark memories. 

Marv Lofquist, who was diagnosed with Alzheimer's in 2012 and often speaks to groups on behalf of the Alzheimer’s Association, told The Star Tribune, “If you asked me right now what I remember about the last time we were in the Bakken Museum, I’d be able to give you a few details but not very many.” But Lofquist believes the museum provides essential intellectual stimulation for those with Alzheimer's. “I have trouble recalling it later, but what’s important is that I get that stimulation regularly,” he explained. 

According to museum employees, SPARK! is part of a larger effort to make museums fully inclusive spaces. “There are a lot of barriers in the world that keep people from participating fully,” Emma Allen of the Bell Museum of Natural History told The Star Tribune. “How do we make a space that has fewer barriers?”

[h/t: Smithsonian.com, The Star Tribune]

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How Michael Jackson's Dancing Defied the Laws of Biomechanics
Phil Walter, Getty Images
Phil Walter, Getty Images

From the time he debuted the moonwalk on broadcast television in 1983, Michael Jackson transcended the label of "dancer." His moves seemed to defy gravity as well as the normal limits of human flexibility and endurance.

Now we have some scientific evidence for that. Three neurosurgeons from the Postgraduate Institute of Medical Education and Research in Chandigarh, India, recently published a short paper in the Journal of Neurosurgery: Spine that examines just how remarkable one of Jackson's signature moves really was.

In the 1988 video for "Smooth Criminal" and subsequent live performances, Jackson is seen taking a break from his constant motion to stand in place and lean 45 degrees forward. Both he and his dancers keep their backs straight. Biomechanically, it's not really possible for a human to do. And even though he had a little help, the neurosurgeons found it to be a pretty impressive feat.

An illustration of Michael Jackson's 'Smooth Criminal' dance move.
Courtesy of 'Journal of Neurosurgery: Spine.' Copyright Manjul Tripathi, MCh.

Study co-author Manjul Tripathi told CNN that humans can't lean forward much more than 25 or 30 degrees before they risk landing on their faces. (He knows, because he tried it.) Normally, bending involves using the hip as a fulcrum, and erector spinae muscles to support our trunk. When Jackson leaned over, he transferred the fulcrum to the ankle, with the calf and Achilles tendon under strain. Since that part of the body is not equipped to support leaning that far forward without bending, the "Smooth Criminal" move was really a biomechanical illusion. The act was made possible by Jackson's patented shoe, which had a "catch" built under the heel that allowed him to grasp a protruding support on the stage. Secured to the floor, he was able to achieve a 45-degree lean without falling over.

But the neurosurgeons are quick to point out that the shoes are only part of the equation. To achieve the full 45-degree lean, Jackson would have had to have significant core strength as well as a strong Achilles tendon. An average person equipped with the shoe would be unable to do the move.

How does this apply to spinal biomechanics research? The authors point out that many dancers inspired by Jackson are continuing to push the limits of what's possible, leading to injury. In one 2010 paper, researchers surveyed 312 hip-hop dancers and found that 232 of them—almost 75 percent of the cohort—reported a total of 738 injuries over a six-month period. That prevalence could mean neurosurgeons are facing increasingly complex or unique spinal issues. The surgeons hope that awareness of potential risks could help mitigate problems down the road.

[h/t CNN]

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Scientists May Have Pinpointed How Much Exercise Your Heart Needs to Stay Healthy
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There’s really no limit to the benefits of exercise, from cognitive improvement to increased cardiovascular capacity to more energy. But one of the biggest reasons to maintain a fitness regimen is to ward off chronic conditions. For example, exercise helps keep arteries from stiffening as we age, which lowers our risk of heart disease.

"Get some exercise," however, isn't exactly specific advice. Is twice a week good enough? Three times a week? Five? And for how long each time?

Researchers in Dallas, Texas may have found an answer. According to Newsweek, a study by staff at the Institute for Exercise and Environmental Medicine and area hospitals looked at 102 people, aged 60 and over, who self-identified as either sedentary, casual, committed, or master-level exercisers. They worked out anywhere from almost never to daily. The researchers found that casual exercise (two to three times weekly, 30 minutes each session) was associated with keeping the mid-sized arteries, like those found in the head and neck, from aging prematurely. But four to five sessions per week helped stabilize the larger central arteries, which send blood to the chest and abdomen. The research was published in the Journal of Physiology.

The study did not look at the type of exercise performed or other lifestyle choices that may have affected the participants' arterial health. But when it comes to moving your body to keep your arteries limber, it seems safe to say that more is better.

[h/t Newsweek]

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