1 small muscle under your chest is pulling your shoulders forward, rounding your back and locking your neck. You're stretching the wrong one. Rounded shoulders and a stiff neck often trace back to one small muscle most people never stretch: the pec minor. It sits underneath the pectoralis major and, for a lot of desk workers, it locks the shoulder blade forward no matter how much you stretch the surface. ㅤ 1. Seated Banded External Rotation, 12-15 reps 2. Prone W-Raise, 10-12 reps ㅤ Drop BASICS below for the 4-week Grade 1 Mobility follow-along. $29, press play and copy me, any level. ㅤ #Elastaboy #Reboryn #PecMinor #RoundedShoulders #PostureFix