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135 Articles
Health & Fitness
Articles filed under Health & Fitness.
Showing 85–105 of 135 articles
🥾 Health & Fitness
How to Estimate Hiking Time With Naismith's Rule
Estimate walking time from distance and ascent, then add what Naismith's rule leaves out — breaks, steep descent, rough ground and your actual pace.
🏀 Health & Fitness
How to Estimate Leg Power From a Vertical Jump
Use the Sayers and Lewis equations to estimate peak and average power from jump height and body mass, and measure the jump consistently enough to track.
🔊 Health & Fitness
How to Find the Pitch of Your Tinnitus
Match your tinnitus to a frequency at a safe listening level, deal with the octave confusion almost everyone hits, and know what the number is useful for.
🚴 Health & Fitness
How to Plan Triathlon Transitions That Save Time
Lay out transition kit in the order you'll touch it and rehearse the sequence, because T1 and T2 are the cheapest minutes on any triathlon course.
📅 Health & Fitness
How to Prepare a Medical History for an Appointment
Put diagnoses, medications and test results on one timeline so a fifteen-minute specialist appointment starts from a clear history instead of a folder.
🩺 Health & Fitness
How to Read an eGFR Result on a Blood Test
Understand what an estimated GFR number means, how it relates to kidney function stages, and what questions to bring to your doctor after seeing the result.
🤰 Health & Fitness
How to Time Contractions During Labour
Time contraction length and intervals correctly — start to start, not end to start — and record the pattern a midwife or hospital will ask for.
⏳ Health & Fitness
How to Track a 16:8 Fasting Window Without an App
Keep track of a 16:8 or custom intermittent fasting window in the browser, with a countdown you can read at a glance and no account or health data to hand over.
❤️ Health & Fitness
How to Track Heart Rate Variability Properly
Log HRV against your own rolling baseline, measure it consistently, and read multi-day trends instead of over-interpreting a single low morning.
🩺 Health & Fitness
How to Understand Your Blood Pressure Reading
Use a blood pressure category checker to understand systolic and diastolic numbers, compare common adult ranges, and know when a reading needs attention.
🧘 Health & Fitness
How to Use a Posture and Movement Reminder
Use a posture reminder timer to schedule gentle movement breaks, follow a visible countdown, and interrupt long sitting sessions without complex setup.
⏱️ Health & Fitness
How to Use a Workout Rest Timer With Audio Cues
Use a configurable rest countdown timer for workouts, with automatic set progression and built-in audio cues, without checking your phone screen mid-set.
⚖️ Health & Fitness
When Will You Reach Your Goal Weight?
Estimate the date you'll hit a target weight at your current rate of change, and learn why a realistic pace beats an aggressive one when you plan around a deadline.
🥗 Health & Fitness
How to Calculate Daily Protein Intake
Use a protein intake calculator to estimate daily protein needs from weight, training level, age, and a practical per-meal target.
❤️ Health & Fitness
How to Calculate Heart Rate Zones
Use a heart rate zone calculator to estimate five training zones from age, resting heart rate, max HR formula, and Karvonen method.
⚖️ Health & Fitness
How to Calculate Weight Loss Percentage
Use a weight loss percentage calculator to track body weight lost, goal progress, weekly rate, and 5% or 10% milestones.
⚖️ Health & Fitness
How to Estimate a Healthy Weight Range
Use an ideal weight calculator to compare educational healthy weight estimates from Devine, Robinson, Miller, and Hamwi formulas.
💧 Health & Fitness
How to Estimate Your Daily Water Intake Target
Estimate your daily water intake target based on body weight, activity level, and climate, shown in milliliters, ounces, or cups, not a generic 8-glass rule.
🔥 Health & Fitness
How to Find Your Daily Calorie Burn (TDEE)
Calculate your Total Daily Energy Expenditure - the calories you burn per day - from age, sex, height, weight, and activity level, across every activity level.
🌙 Health & Fitness
How to Pick a Bedtime Using 90-Minute Sleep Cycles
Find the best bedtime for a target wake-up time, or the best wake-up time from right now, based on 90-minute sleep cycles instead of a flat 8-hour rule.
🏃 Health & Fitness
How to Predict a Marathon Time
Use a marathon time predictor with Riegel and Cameron formulas to estimate race equivalents and see the uncertainty gap.