If you're wondering how to train shoulders without injury, start by avoiding upright rows, which can stress the shoulder joint and rotator cuff. Instead, prioritize rotator cuff warm-ups using light resistance bands for 10-15 reps. Strengthening those stabilizers is crucial for safe shoulder gains. Did you know the rotator cuff comprises four muscles that stabilize the shoulder joint? #absworkout #coretraining #sixpackabs #corestability #abexercises