I have numbness/tingling on my feet and hands. I also have it more on my torso and chest. It's stiff like?

Various causes. 24y female w. "numbness, tingling & stiffness of hands, feet, torso, & chest". Several disorders, such as anxiety, hyperventilation & thyroid disorder, are possible. General medical exam indicated. From this description unable to guess seriousness of problem. If nothing distinctive discovered then fibromyalgia becomes consideration, because it is a disorder of exclusion & see Rheumatologist. .