Get strong where you are.

Straight answers on lifting, bodyweight training and cardio, built on public health guidelines and exercise research, not trends.

Browse the guides

Example log Day 1 · Full body
MoveLast timeNext time
Squat3 × 103 × 11
Push-up3 × 83 × 9
Row3 × 103 × 10
Plank3 × 30 s3 × 35 s
Write it down. Beat it a little next time.

Training topics

Latest guides

All guides

Home Workouts

Bodyweight Workout for Beginners

A beginner bodyweight workout for home: five moves with easier and harder versions, plus how many reps, sets and days a week the official guidelines call for.

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Home Workouts

How to Build a Home Workout Plan

How to plan a week of home workouts with little or no equipment: cardio, strength, balance and stretching that meet the official guidelines, with a sample week.

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Recovery & Caffeine

How Long Does Caffeine Last?

Caffeine's half-life averages about 5 hours, so half a dose is still in you hours later. What makes it last longer, and when to stop before bed.

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Strength Training

How Many Sets and Reps Should You Do?

For general health, do 1 to 3 sets of 8 to 12 reps per exercise. For strength or muscle, aim for at least 2 sets per exercise. Here's the evidence by goal.

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Recovery & Caffeine

How Much Caffeine Is Too Much?

Most healthy adults can have up to 400 mg of caffeine a day. See the lower limits for pregnancy and kids, signs of too much, and caffeine in common drinks.

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Cardio & HIIT

How Much Exercise Do You Need Each Week?

Adults need 150 to 300 minutes of moderate or 75 to 150 minutes of vigorous activity a week, plus strength work on 2 days. What counts and how to fit it in.

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