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I don't think the study controlled for differences in muscle damage. The more damage, the longer it takes to recover, even if the rate of recovery is the same.
by andor 6y ago
I don't think the study controlled for differences in muscle damage. The more damage, the longer it takes to recover, even if the rate of recovery is the same.
The ungrounded group was measured with higher blood lactate levels, suggesting that the exercise was more strenuous for the and that they experienced more muscle damage.
See: https://pubmed.ncbi.nlm.nih.gov/29619805/ https://pubmed.ncbi.nlm.nih.gov/29619805/
- joshspankit 6y agoOr it was indicating that the protocol was reducing blood lactate levels.
- andor 6y agoI'm not sure what you mean? Blood lactate was measured 5 minutes after the exercise intervention. If by "protocol" you mean the choice of bedsheet, that wouldn't have an influence. If you mean the exercise intervention reduced blood lactate levels—compared to resting levels that's quite unlikely given how lactate metabolism works. Also, both groups did the same exercise. Better-trained individuals are generally expected to have lower peak lactate levels at the same effort, and a higher capability for clearing lactate from muscles and blood stream. I was arguing that the study did not control for differences in training levels between the two groups.
- joshspankit 6y agoI couldn’t find the exact stats, but here’s my argument: If the grounding protocol had an effect on lactate peaks and clearing ability, then the second and subsequent runs would show what you’re seeing. What I couldn’t verify before my point is whether the lactate measurements were different the first day before “grounded sleeping”