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.
A spasm may be a muscle contraction caused by abnormal nerve stimulation or by abnormal activity of the muscle itself. A series of spasms, or permanent spasms, is called a spasmism. A spasm may lead to muscle strains or tears in tendons and ligaments if the force of the spasm exceeds the tensile strength of the underlying connective tissue.