I've tried for 3 years now to isolate and define my upper chest

I’ve tried for 3 years now to isolate and define my upper chest. Is it genetic? I spent several weeks a while back on a very chest centric workout. Saw a tiny bit of gain but it wasn’t worth the effort for so little gain. What’s the secret? 🤨 Find more fitness content similar to FitInMy50s

7 Commandments of Upper Chest Workouts For Bigger Pecs

15 Best Dumbbell Chest Exercises for Hypertrophy & Definition - SET FOR SET

The REAL Reason Your Pecs Won't Grow

68 Days of Massive Upper Body Muscle Gains

What happens if you only do upper chest exercises and completely ignore the lower chest? I'm wondering what kind of look that would be? - Quora

I Feel Lonely: What To Do When You're Feeling Alone

How to Get a Bigger and Stronger Chest in Just 30 Days - Legion Athletics

No Upper Chest? Try These 6 Exercises (With Sample Program) – Fitbod

Gyno and Bodybuilding: Excess Breast Tissue and What to Do About It

Target Your UPPER CHEST (Pec Isolation Reality!!)

Upper Chest and Pec Isolation - IS IT POSSIBLE?

How to Fix Uneven Pecs (2 WAYS!)

Tip: The Upper Chest Solution

How To Slim Down A Muscular Upper Body - Advice For Women

I did tricep pull-downs every day for a week — here's what happened