Thoracic outlet syndrome involves compression of nerves or blood vessels in the space between the collarbone and first rib. Symptoms include arm pain, numbness, and weakness. Poor posture, muscle imbalances, and anatomical variations contribute to compression. Exercise focuses on opening the thoracic outlet space and correcting postural contributors. Get your personalized routine: Start your 14-day free trial Scalene and Neck Scalene muscles often contribute to compression. JME 1 Look left and then right JME 6 Gently tuck your chin to your chest JME 3 Tilt your head left then right toward your shoulder Chest Opening Tight pectorals close the thoracic outlet. JME 44 Starting with your hand at the side, bring your arm up, over your head, then back down to the side. JME 58 Hold onto your elbow behind your head for a gentle stretch. Shoulder Positioning Depressed shoulders compress the outlet. JME 52 Hug one arm across your body for a gentle stretch. JME 55 Bring your hands together behind your back and extend for a shoulder stretch. Thoracic Extension Posture correction opens the thoracic outlet. JME 154 Either sitting or standing at your desk, extend your upper body toward the direction behind you - either putting your arms above your head or keeping them at your side. JME 150 Sitting in your chair, rotate your upper body both left and right. Don't do this too fast - find what works for you. JME 152 Rest one hand either on the back of your chair or desk. With the other arm, rotate toward the ceiling and follow your fingertips with your eyes. Return to the middle and repeat. Upper Back Support Scapular positioning affects outlet space. JME 91 Placing one foot on a slightly elevated surface (or even just in front of you on the floor), rotate your upper body in both direcions. JME 94 Slowly bend forward and reach your hands toward the floor. Postural Awareness Avoid carrying heavy bags on shoulders. Workstation ergonomics matter. Sleep position affects symptoms. Avoid prolonged overhead arm positions. Professional diagnosis distinguishes TOS from other conditions. TOS Management Programming simplmobility provides outlet-opening routines. 2-3 minute sessions address postural contributors. Start Your Free Trial