010101 home | free 14-day trial | tutorial | rss | help          directory     print     email     advanced search   user name: password:   medical disability advisor  >  rectal prolapse definition | diagnosis | treatment | prognosis | differential diagnosis | specialists | rehabilitation | comorbid conditions | complications | factors influencing duration | length of disability | return to work | failure to recover | medical codes | predictive model | references job classification in most duration tables, five job classifications are displayed. viagra without a doctor prescription These job classifications are based on the amount of physical effort required to perform the work. The classifications correspond to the strength factor classifications described in the united states department of labor's dictionary of occupational titles. The following definitions are quoted directly from that publication. Sedentary work exerting up to 10 pounds (4. generic viagra 5 kg) of force occasionally and/or a negligible amount of force frequently or constantly to lift, carry, push, pull, or otherwise move objects, including the human body. buy cheap viagra pills online Sedentary work involves sitting most of the time, but may involve walking or standing for brief periods of time. Jobs are sedentary if walking and standing are required only occasionally and other sedentary criteria are met. cheap generic viagra Light work exerting up to 20 pounds (9. viagra dosage young men 1 kg) of force occasionally and/or up to 10 pounds (4. 5 kg) of force frequently, and/or negligible amount of force constantly to move objects. viagra doctor prescription Physical demand requirements are in excess of those for sedentary work. Light work usually requires walking or standing to a significant degree. However, if the use of the arm and/or leg controls requires exertion of forces greater than that for sedentary work and the worker sits most the time, the job is rated light work. viagra for sale Medium work exerting up to 50 (22. 7 kg) pounds of force occasionally, and/or up to 25 pounds (11. viagra canada 3 kg) of force frequently, and/or up to 10 pounds (4. 5 kg) of forces constantly to move objects. Heavy work exerting up to c pounds (45. viagra cost 4 kg) of force occasionally, and/or up to 50 pounds (22. trusted online viagra sites 7 kg) of force frequently, and/or in excess of 20 pounds (9. 1 kg) of force constantly to move objects.