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.
Let Î¸ be an angle that terminates in any quadrant. Then by the corresponding acute angle, we mean the shortest angular distance to the x-axis. In each quadrant, Ï is the corresponding acute angle of Î¸. Ï is the shortest angular distance to the x-axis. (The corresponding acute angle is often called the reference angle.) Examples.