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.
Look for your hip joints with your hands. As shown in the images below, lean against a wall with your knees bent and then bend forward from the lowest possible point. The lowest point is your hip joints. You should feel your pelvis rotating on the wall as you bend. Avoid bending the spine.