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Muscle Loss of Old Age Linked to Nerve Loss

posted by martyb on Monday March 12 2018, @09:33PM   Printer-friendly
from the Take-a-hike dept.

takyon writes:

Muscle loss in old age linked to fewer nerve signals

Researchers say they may have worked out why there is a natural loss of muscle in the legs as people age - and that it is due to a loss of nerves. In tests on 168 men, they found that nerves controlling the legs decreased by around 30% by the age of 75. This made muscles waste away, but in older fitter athletes there was a better chance of them being 'rescued' by nerves re-connecting. The scientists published their research in the Journal of Physiology.

As people get older, their leg muscles become smaller and weaker, leading to problems with everyday movements such as walking up stairs or getting out of a chair.

Failure to expand the motor unit size to compensate for declining motor unit numbers distinguishes sarcopenic from non-sarcopenic older men (open, DOI: 10.1113/JP275520) (DX)

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  • (Score: 2) by Azuma Hazuki on Tuesday March 13 2018, @02:09AM (4 children)

    by Azuma Hazuki (5086) on Tuesday March 13 2018, @02:09AM (#651625) Journal

    What's the switch for this? -Wdoyouevenliftbro or somesuch?

    --
    I am "that girl" your mother warned you about...
    Starting Score:    1  point
    Karma-Bonus Modifier   +1  
    Total Score:   2  

  • (Score: 4, Funny) by c0lo on Tuesday March 13 2018, @02:32AM (3 children)

    by c0lo (156) Subscriber Badge on Tuesday March 13 2018, @02:32AM (#651638) Journal

    -Wdoyouevenliftbro

    Mmmm... no!
    Should be more inclusive, not limited to brogrammers - as small percentage as they may be in the C world.
    E.g. it shouldn't exclude the little mermaids [youtube.com] or accomplished shifu coders [youtube.com]

    --
    https://www.youtube.com/watch?v=aoFiw2jMy-0 https://soylentnews.org/~MichaelDavidCrawford

    • (Score: 2) by Azuma Hazuki on Tuesday March 13 2018, @03:12AM (2 children)

      by Azuma Hazuki (5086) on Tuesday March 13 2018, @03:12AM (#651652) Journal

      The Little Mermaid thing you linked got a genuine out-loud laugh from me :) Thank you for that!

      --
      I am "that girl" your mother warned you about...

      • (Score: 2) by c0lo on Tuesday March 13 2018, @03:17AM (1 child)

        by c0lo (156) Subscriber Badge on Tuesday March 13 2018, @03:17AM (#651655) Journal

        Happy to have made at least one person happy today.

        (I wish it was my manager, but I'll get whatever it is possible - grin)

        --
        https://www.youtube.com/watch?v=aoFiw2jMy-0 https://soylentnews.org/~MichaelDavidCrawford

        • (Score: 2) by RS3 on Wednesday March 14 2018, @03:46AM

          by RS3 (6367) on Wednesday March 14 2018, @03:46AM (#652142)

          I enjoyed it too, that last frame really did it for me. Thanks!