If I stand for more than one hour at one place continuously I get pain in the leg?

Hip arthritis. Degenerative hip arthritis (a variant of djd, degenerative joint disease) is common. Chronic standing stresses the hip joint with the femoral head in the acetabulum (i.e., ball & socket). The erosion of the bursa within the joint eventually causes pain. Other causes which need exclusion are neurogenic and vascular causes. Herniated discs refer to the former; aorta-iliac disease, the latter.