What causes numbness in hands and arms?

Question: I woke this morning with numb hands and arms when i moved my arms I had to shake them till the pins and needles stopped my finger tips were white and fingers swollen I had about two hours of dealing with the problem throughout the morning anytime i ever so slightly elevated or put pressure on my arms slightly . I am 39 I cant walk up a hill without dragging my right leg and going up steps I use my left foot first to go up each stepI had locked shoulders for half a year than all a sudden I felt them unlock but if I over excert them or demobilize them I feel they could lock up again my eye dr said Im begining to show signs of extropia that my eyes arent exactly agreeing with one another and my spine exrays show early onset of athritis in spine and neck there are days that I cant walk due to right hip pain even as I sit it aches and burns at 39 I feel I should be like others my age I wish I knew why I cant seem to do what I should still be able to do.I want to work but know I cant these symtoms go into a kinda remission so I will feel like I can work than go to all a sudden unable to walk I dont know whats going on I have low income on acchhs what can i do next to define or help what is happening im a single mom of four kids two are 6 yr old twins