Heart Articles | huuman Blog

Heart

Cardio training, VO2max, heart rate and blood pressure: how to keep your heart and lungs fit for decades.

Three red bars of different length on a dark background: how much lower night-time HRV was after about one, three and seven drinks, under the title How to increase HRV

How to increase HRV: what works tonight and over months

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Red range bars showing where more daily steps stopped lowering the risk of death: about 8,000 to 10,000 under 60 and 6,000 to 8,000 from 60, under the title Steps per day by age

Steps per day by age: how many you need, and what is enough

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Two red lines for men and women showing usual walking speed over 4 meters from a standstill by age band, from about 1.1 to 1.2 m/s at 18 to 29 down to about 1.0 m/s at 80 to 85, under the title Average walking speed by age

Average Walking Speed by Age: Norms and a 4-Meter Test

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Six red bars in two groups, for the daytime average, the night average and the lowest minute of heart rate in healthy men (78, 63 and 48 bpm) and women (81, 65 and 51 bpm) aged 50 to 65, under the title Sleeping heart rate

Sleeping heart rate: what is normal for men and women

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Three red bars rising from left to right, for resting heart rate 3.4, 3.5 and 6.7 bpm lower than in controls in running trials of 12 weeks, 26 weeks and a year, under the title Lower your resting heart rate

How to lower resting heart rate: what works and how fast

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From the archive

VO2max: what it means, what counts as a good value, and how to interpret it properly

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VO2max Swimming: What It Means, How to Train It, and How to Track Progress

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Strokes Per Minute: What’s a Good Rate for Rowing?

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Zwift Zone 2 Training: Dial In the Right Intensity, Build Duration, Track Progress

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Cardio Load: Meaning, Target Ranges, and How to Tell If Yours Is “Good”

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HIIT on an Elliptical: 3 Repeatable Workouts + How to Progress

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Tabata High-Intensity Workout: How to Train 20/10 Safely and Effectively

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HIIT Workout Plan: The 4-Week Plan (Home or Gym)

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Air Bike Workout: 12 Sessions + 6-Week Plan (Beginner to Advanced)

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Resting Heart Rate in Athletes: Ranges, Norms, and When “Low” Is Too Low

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Cardio Recovery (Heart Rate Recovery): What’s “Good” and How to Calculate It

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45 Minute Treadmill Workout: 3 Options You Can Do Today

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Calculate VO2max: Calculators, Formulas, and Tests for Running & Cycling

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Workouts With a Rowing Machine: 9 Sessions + 3 Weekly Routines

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Zone 2 Training Plan: Weekly Templates, Intensity Cues, and Progression

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Sleeping Heart Rate: What’s Normal, What Patterns Matter, and When to Check It

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VO2max Table: Values by Age & Sex (Women/Men) + How to Interpret Them

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Understanding HRV: Charts, Normal Ranges, and What “Good” Really Means

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Heart & Cardio – Overview

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HIIT for Cardio: How to Do It Safely, Effectively, and Without Burning Out

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Heart Rate Variability Chart by Age (HRV): Ranges, Sex Differences, and How to Use Them

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Zone 2 Heart Rate Calculator: How to Verify Your True Zone 2

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How to Improve VO2max: Interval and Zone 2 Training Plan with Tracking

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VO2max and Longevity: What the Science Says

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