Name: X-Posts by @bryan_johnson (machine-readable)
License: https://creativecommons.org/licenses/by/4.0/

Bryan Johnson @bryan_johnson

Here's how to Measure your (HRR)

1. Exercise vigorously
2. Record peak heart rate
3. Rest 1 minute
4. Record heart rate again
5. Subtract second reading from peak

Result is your 1-minute HRR in bpm.