Box breathing or six breaths per minute: Which strategy improves athletes post-HIIT cardiovascular recovery?

PLoS One · 2025 · PMC12622787 · PMID 41248139

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showed a trendno p-value reported

No significant difference in recovery time was observed (p = 0.128*), though box breathing showed a trend toward delayed HR baseline recovery (753.02 ± 150.60 sec vs. 675.70 ± 157.24 sec with 6 bpm).

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