The 7-7-7 biceps workout uses three ranges of motion to challenge your muscles into growth. Each set has 21 reps that should be performed with a moderate load.
7-7-7 Bicep Exercise
21-Method Bicep Dumbbell Curls
7,7,7 Bicep Curl
What Is the 10-8-6 Workout Routine?
The '7,7,7' Technique Terry Crews Uses To Build Huge Arms at 52
7-7-7 Bicep Exercise
21's Workout For BICEPS (7-7-7)
How to Train Your Biceps: Exercises & Workout – StrengthLog
7 Biceps Curl Variations to Grow Your Guns - Muscle & Fitness
7 7 7 bicep exercise #FlexEveryAngle #andGO #gymtok #gymgirl