For litmus, it so happens that the 50 / 50 colour does occur at close to pH 7 - that's why litmus is commonly used to test for acids and alkalis. As you will see below, that isn't true for other indicators. Methyl orange. Methyl orange is one of the indicators commonly used in titrations. In an alkaline solution, methyl orange is yellow and the structure is: Now, you might think that when you add an acid, the hydrogen ion would be picked up by the negatively charged oxygen. That's the obvious place for it to go.
Ankle sprain: Types list. The list of types of Ankle sprain mentioned in various sources includes: 1  Anterior talofibular ligament sprain - most common. 2  Calcaneofibular ligament sprain - second most common.  Inversion injury - from the foot turning inward.
Ankle Sprains. The most common type of ankle injury is a sprain. A sprain is stretching and tearing of ligaments (fibrous bands connecting adjacent bones in a joint.) There are many ligaments around the ankle and these can become damaged when the ankle is forced into a postion not normally encountered.he most frequently seen sprain occurs when weight is applied to a foot which is on an uneven surface, and the foot rolls in (inversion). Because the sole of the foot is pointing inward as force is applied, the ligaments stabilizing the lateral-or outside-part of the ankle are stressed.