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.
We normally advise patients to sleep on their back for the first 6 weeks after total hip replacement. After knee surgery this is not necessary. After 6 weeks it is okay to sleep on either side as long as a pillow is placed between the legs to prevent the legs crossing.hilst skiing after hip or knee joint replacement is possible it is likely that regular involvement in high activity sports such as this may shorten the life-span of the prosthesis. This may be a risk patients are willing to take but again this should be discussed in depth with your surgeon.