Can you regain muscle and function… at 90? 100? [Study 266]

Physionic

Feb 14, 2024

Episode description

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Reference (Copy & Paste DOI into Search Engine):
[1] [Study 266] doi:10.1123/ijsnem.2023-0087

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#elderly #agereversal #agingbackwards

Episode description

Mindsip insights from this episode:

Reverse muscle loss to combat aging in your 80s and 90s

Your body, even in your 80s and 90s, is still capable of recovering muscle size and strength, potentially reversing some of the biological mechanisms of aging.

#aging

#muscle

Ensure mitochondrial function to support muscle growth

Muscle growth is a highly energy-expensive process that is hindered by mitochondrial dysfunction, which reduces the availability of essential ATP and GTP energy molecules.

#mitochondria

#muscle

Understand denervation to address muscle activation decline

With extreme age, the motor unit can disengage as the neuron pulls away from the muscle cell, a process called denervation, which weakens muscle activation.

#muscle

#neurology

Preserve muscle stem cells to combat aging effects

The population of satellite cells, which are stem cells that sit on and fuse into muscle to help it grow and repair, diminishes with age.

#muscle

#stem-cell

Achieve muscle growth at any age with resistance training

A study showed that people in their 90s can experience a similar percentage of muscle growth from resistance training as people 15 to 20 years younger.

#exercise

#muscle

Regain decades of strength through 12 weeks of training

After 12 weeks of training, a 90-year-old group improved their leg strength to a level that was equivalent to what a 60-70 year-old group had achieved after six weeks.

#exercise

#strength

Recognize limitations of resistance training on spinal muscle size

While resistance training improved strength and size in the limbs, the study found that spinal muscle size did not improve appreciably in either age group.