An old brick has a natural cavity on one side, providing a cool daytime slug hiding place. Look under any you have around the garden and dispose of the slugs found sheltering. Purposely position a few to create slug shelters, and check daily. A brick also makes a handy squishing implement.
Q Angle of the Knee. The Q angle of the knee is a measurement of the angle between the quadriceps muscles and the patella tendon and provides useful information about the alignment of the knee joint.
Micah F. Share. Nov 26, 2014. A quadrantal angle is any multiple of 90 degrees. The idea is that if an angle is in standard position (with its starting side along the positive x-axis) the other side is along one of the axes, so is on the border of one of the quadrants in the xy-plane.