One Rep Max
The maximum weight you can lift for a single repetition of an exercise with proper form.
Detailed Explanation
Your One Rep Max (1RM) is the heaviest weight you can successfully lift once for a given exercise. It's used to calculate training percentages and track strength progress. Rather than testing 1RM directly (which carries injury risk), most people estimate it using submaximal testing: if you can lift a weight for 5 reps, your estimated 1RM is that weight divided by 0.87. Training at different percentages of 1RM targets different adaptations: 85-100% for strength, 65-85% for hypertrophy, below 65% for endurance.
Related Terms
How It Relates to Fitnit
Fitnit doesn't coach max-effort 1RM attempts (bodyweight focus), but it tracks your weekly volume and rep PRs across exercises so you can estimate strength gains over time.
Frequently Asked Questions
What does One Rep Max mean in fitness?
The maximum weight you can lift for a single repetition of an exercise with proper form. Your One Rep Max (1RM) is the heaviest weight you can successfully lift once for a given exercise. It's used to calculate training percentages and track strength progress.
How do I apply one rep max to my workouts?
Rather than testing 1RM directly (which carries injury risk), most people estimate it using submaximal testing: if you can lift a weight for 5 reps, your estimated 1RM is that weight divided by 0.87. Training at different percentages of 1RM targets different adaptations: 85-100% for strength, 65-85% for hypertrophy, below 65% for endurance.
How does Fitnit help with one rep max?
Fitnit doesn't coach max-effort 1RM attempts (bodyweight focus), but it tracks your weekly volume and rep PRs across exercises so you can estimate strength gains over time.
Put One Rep Max Into Practice
Understanding one rep max is the first step. Fitnit helps you apply this knowledge with AI-powered workout tracking and nutrition analysis.