Signs and Symptoms of TOS

The signs and symptoms of TOS vary depending on which blood vessels or nerves are compressed. Nerve Compression Symptoms Pain or aching in the neck, shoulder, arm or hand Numbness or tingling in the neck, shoulder, arm or hand Muscle weakness and wasting (atrophy) in the arm or hand Difficulty performing fine motor tasks; arm easily fatigued Arterial Compression Symptoms Arm or hand swelling Pain or deep aching in the neck, shoulder or arm Numbness, tingling or heaviness in the arm Skin...More