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    • about us
    • meet your team
    • FAQ
    • testimonials & awards
  • schedule
    • class info
    • online classes
  • pricing & memberships
  • personal training
    • pilates reformer
    • dance & gymnastics
  • gift cards
  • contact us

fitness. health. life thoughts.

never too late for Energy

1/23/2016

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As I spent 30 minutes this week talking to one our members who took yoga, Judith - who is 73 years old, I remembered why  conversation AND exercise is so great as we age.  

Exercise and Older-Adult Brain Activity

A new study shows that older adults who are physically active have more variable brain activity at rest than those who are not active. Brain variability is associated with greater cognitive function, researchers say. 

While links among physical activity, cardiorespiratory fitness, and brain function have already been established, the purpose of this study was to determine the effects of sedentary, light, and moderate-to-vigorous activity on neural function. To gather activity data, the scientists fitted 100 participants aged 60-80 with accelerometers for 7 days. Oxygen consumption measurements determined cardiorespiratory fitness; and functional MRI showed how blood oxygen levels in the brain fluctuated over time, reflecting brain activity at rest. The researchers also asserted the integrity of each person's white-matter fibers, which carry nerve impulses and interconnect regions of the brain.

"As an index of functional brain integrity we used spontaneous movement-to-movement variability in the blood oxygenation level-dependent signal (SDBOLD), known to be associated with better cognitive functioning in aging", the authors explained. 

The results? Older adults who participated in more physical activity, regardless of what type (light, or moderate to vigorous), posted better brain scores that those who were less active. White-matter brain structure was healthier in the active groups.  

"We demonstrated that older adults with greater overall (white matter) microstructure were those showing more light intensity and moderate to vigorous physical activity and greater SDBOLD," the authors said, "We conclude that the SDBOLD is a promising correlate of function brain health in aging"

​In good health and love, Debra


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