30 Second Chair Stand Test You Can Repeat Reliably
Use the 30 second chair stand test with the right chair, counting rule, age limits and retest log so one score doesn’t mislead you.
Dan K.
How to Calculate Sleep Debt Without False Precision
How to calculate sleep debt from a 7-night diary, choose a realistic sleep target, and avoid treating weekend catch-up as exact repayment.
How to Check If Home Blood Pressure Monitor Is Accurate
How to check if home blood pressure monitor is accurate using a validated-device list, a cuff-fit check and an office comparison.
How to calculate zone 2 cardio heart rate by age
How to calculate zone 2 cardio heart rate by age with a simple equation, a five-age chart and a three-workout breathing check.
How to measure waist to height ratio correctly
How to measure waist to height ratio at home by fixing the tape position, repeating the waist reading and dividing by height in the same unit.
Home blood pressure reading vs doctor office 7-day check
Home blood pressure reading vs doctor office results can disagree. Use this seven-day protocol to check technique and know when to call your clinician.
Is a resting heart rate of 50 normal for non-athletes
Is a resting heart rate of 50 normal for non-athletes? Use a seven-day pulse check to verify the number and know when symptoms need care.
Why do I wake up at 3am after drinking alcohol?
Why do I wake up at 3am after drinking alcohol? Use a three-night comparison log to test the pattern and know when to seek medical help.
Home blood pressure reading vs doctor office 7-day check
Home blood pressure reading vs doctor office results can disagree. Use this seven-day protocol to check technique and know when to call your clinician.
Measure at home, a running index of what’s worth tracking
What you can measure at home, how often to repeat it, and the line where a home number stops being enough. A running index, updated as posts go up.