How does the workout muscle analyzer work?

The analyzer uses our database of 856 exercises mapped to 65 muscles across 14 muscle groups. When you add exercises to your workout, it calculates the percentage of each muscle group that receives primary or secondary activation, identifies gaps, and checks your push/pull movement pattern balance.

Is the workout analyzer free?

Yes, the workout analyzer is completely free to use. It runs entirely in your browser with no account required. For programmatic access to the same analysis engine, you can use our REST API or MCP Server.

What muscle groups does the analyzer track?

The analyzer tracks 14 muscle groups: chest, back, shoulders, biceps, triceps, forearms, core, quadriceps, hamstrings, glutes, calves, hip flexors, adductors, and neck. Each exercise shows primary, secondary, and stabilizer muscle activation.

Workout Muscle Analyzer

Add your exercises to see which of 14 muscle groups you're hitting, detect training gaps, and check push/pull balance.

Your Workout

Add exercises above to start analyzing your workout.

Get programmatic access to this analysis engine via the REST API or MCP Server.

Get API Key

Workout Muscle Analyzer

Your Workout

Muscle Coverage

Movement Patterns