The Gym Lied to You

Training comic · April 15, 2026 · 6 slides

This guide debunks common fitness myths to help you optimize your workouts and avoid injury. It explains why static stretching before lifting, excessive sweating, and muscle soreness are not reliable indicators of a successful workout. Instead, it advises focusing on dynamic warm-ups, proper recovery, and tracking actual body composition changes.

The GainFrame mascot stands with arms crossed under the title 'The Gym Lied to You', introducing a guide debunking common fitness myths.
Gainframe Guy. The gym lied to you.
The GainFrame mascot sits on the floor performing a static hamstring stretch next to a dumbbell with a red 'X' mark, illustrating that static stretching before lifting reduces strength output.
1. Stretching before lifting. Static stretching before lifting reduces your strength output. Warm up with with movement instead.
The GainFrame mascot stands dripping with sweat on a scale showing only 2 calories burned with a red 'X' mark, showing that sweating is just the body cooling down and not an indicator of calories burned.
2. More sweat = better workout. Sweat is your body cooling itself down. It has nothing to do with how many calories you burned. 2 cal.
The GainFrame mascot winces in pain while walking down stairs with a red 'X' mark, illustrating that post-workout muscle soreness is just inflammation and not a direct sign of muscle growth.
3. Soreness = muscle growth. DOMS (that next-day soreness) is just inflammation. Muscle grows during recovery — not from pain.
The GainFrame mascot clutches a painful shoulder next to a bench press with a red 'X' mark, warning that pushing through sharp, acute pain leads to injury rather than progress.
4. No pain, no gain. Sharp, acute pain = injury. The 'push through it' mentality has ended more careers than laziness.
The GainFrame mascot stands confidently with arms crossed and points to a speech bubble saying 'Now you know', encouraging readers to track actual body composition changes instead of relying on fitness myths.
5. Track what actually works. Stop relying on myths. Track your actual body composition changes with GainFrame. Now you know.

Like the comics? The app does the tracking.

GainFrame turns progress photos into body fat estimates, muscle scores, and honest trend lines — the stuff these comics keep nagging you about. Free to start on iOS.

Download GainFrame Free