Shadow zone is an area where seismograph can not be detect earthquake after the seismic wave have passed through the earth. When earthquake strikes, seismic wave radiate out spherically from the earthquake's epicenter. At the angular distances of 104 degree to 140 degree from the earthquake focus, any direct P waves are not received.
Questions about bending over after Hip replacement. I just read in another thread a reminder of not bending over for 6 weeks after surgery. It has prompted this question. I guess I should ask the PT, but I'd also like input from folks who have been there. First, let me tell you about my job.
Transient osteoporosis of the hip is an uncommon condition that causes temporary bone loss in the upper portion of the thighbone (femur). People with transient osteoporosis of the hip will experience a sudden onset of pain that intensifies with walking or other weight-bearing activities. In many cases, the pain increases over time and may become disabling. Painful symptoms gradually subside and usually end within 6 to 12 months.