These tests that measure underlying ability and learning. Aptitude or specialized abilities. An aptitude is the ability to learn or to develop proficiency in an area (if provided with appropriate education or training). It is like talent. Examples are various types of reasoning, artistic ability, motor coordination, musical talent.
Muscle twitching, also known as muscle fasciculation, is marked by small muscle contractions in the body. Your muscles are composed of fibers, tissues, and nerves.When a nerve is stimulated or damaged, it may cause your muscle fibers to twitch. Many twitches experienced in your body are common and may go unnoticed.However, other types of twitching may be a sign of a nervous system condition and should be checked out by your doctor.hen a nerve is stimulated or damaged, it may cause your muscle fibers to twitch. Many twitches experienced in your body are common and may go unnoticed. However, other types of twitching may be a sign of a nervous system condition and should be checked out by your doctor.
A spasm is a sudden, involuntary contraction of a muscle, a group of muscles, or a hollow organ such as a heart, or a similarly sudden contraction of an orifice.It most commonly refers to a muscle cramp which is often accompanied by a sudden burst of pain, but is usually harmless and ceases after a few minutes.There are a variety of other causes of involuntary muscle contractions, which may be more serious, depending on the cause.The word spasm may also refer to a temporary burst of energy, activity, emotion, eustress, stress, or anxiety unrelated to, or as a consequence of, involuntary muscle activity.here are a variety of other causes of involuntary muscle contractions, which may be more serious, depending on the cause. The word spasm may also refer to a temporary burst of energy, activity, emotion, eustress, stress, or anxiety unrelated to, or as a consequence of, involuntary muscle activity.