Daniel Kaluuya (born 8 May 1989) is an English actor, comedian and writer, who is best known for playing Posh Kenneth in the E4 teen-drama Skins. He also appeared in the BBC dark comedy series Psychoville playing Michael Fry (a.k.a. Tealeaf) and Mac in the BBC Three's horror drama The Fades.
Abdominal fluttering or spasms can be caused by pregnancy, muscle fatigue, stress, excess gas or acid in the gastrointestinal tract, or bowel disorders. Abdominal fluttering is described as a vibration or fluttering sensation in the abdomen, according to Steady Health. Continue Reading.
Muscle spasms, cramps or twitches are involuntary and sometimes painful movements or contractions of the muscles within the body. They can occur if a muscle is overused, such as during exercise, and if you are dehydrated. Low levels of potassium and calcium can also cause muscle spasms. Muscle spasms can also result from alcoholism, hypothyroidism, kidney failure and certain drugs and medications, including caffeine. Muscle spasms and cramps can usually be relieved by stretching your muscle and increasing your fluid intake.