Thomas J DuBois LMT NCTMB leads Dr Kambeitz through a series of AIS stretching techniques to open the chest. The chest muscles need stretching as we are constantly holding our arms forward – while driving, typing, cooking, cleaning, working out, etc. get tighter than most realize. When we stretch and open these chest muscles we can maintain posture and health of upper back and neck. In this story we were stretching his Pectoralis major, pectoralis minor, anterior deltoid, bicep and coracobrachialis.