To change the filter on this type of refrigerator, gently slide the unit out, unplug the unit from power, turn off the water valve, remove and replace the water filter, turn water valve back on, check for leaks, plug refrigerator back into the power outlet, slide unit back in place, and you are done.
Although very simple, balance exercises can greatly strengthen your center of gravity. Any exercise that is done on one leg can be considered a balance exercise. Standing on one leg will improve your body's ability to center its mass over one leg.
Standing with your knees locked back in hyperextension can cause a host of problems in your knees and also in your legs, hips, and spine. In addition to overstretching the ligaments, hyperextension stresses the front of the knee joint surfaces and weakens the quadriceps muscles.