High-intensity Interval Training Improved Age-related Decline In Muscle Mitochondria

Mito

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http://www.cell.com/cell-metabolism/fulltext/S1550-4131(17)30099-2

Highlights

  • High-intensity interval training improved age-related decline in muscle mitochondria
  • Training adaptations occurred with increased gene transcripts and ribosome proteins
  • Changes to RNA with training had little overlap with corresponding protein abundance
  • Enhanced ribosomal abundance and protein synthesis explain gains in mitochondria
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Jon

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@Mito i have a question on this. So I've done hiit plenty in the past, but every time my heart rate got RIDICULOUSLY LOW. We're talking 32bpm...

At the time I wasn't cold, didn't feel overly stressed and still slept fine. Is there a point where your heart rate is literally just low from efficiency? This is a question I've had for sometime, as ray totes a higher heart rate is preferable. As of now I have a heart rate around 68bpm at rest and waking temps are 98.0F
 
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Mito

Mito

Member
Joined
Dec 10, 2016
Messages
2,554
@Mito i have a question on this. So I've done hiit plenty in the past, but every time my heart rate got RIDICULOUSLY LOW. We're talking 32bpm...

At the time I wasn't cold, didn't feel overly stressed and still slept fine. Is there a point where your heart rate is literally just low from efficiency? This is a question I've had for sometime, as ray totes a higher heart rate is preferable. As of now I have a heart rate around 68bpm at rest and waking temps are 98.0F
Maybe some increase in heart stroke volume combined with temporary lowered metabolism?

Fitbit's 150 Billion Hours Of Heart Data Reveal Secrets About Health
 

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