There are many possible causes of numbness and tingling, including: Sitting or standing in the same position for a long time. Injuring a nerve, a neck injury may cause you to feel numbness anywhere along your arm or hand, while a low back injury can cause numbness or tingling along your leg or foot. If you're dealing with numbness or tingling on your upper or lower limbs, our team at Donay Chiropractic can ease your discomfort.