Sidharth Malhotra (born 16 January 1985) is an Indian actor and former model who appears in Bollywood films. Malhotra began a career as a model at the age of 18. Dissatisfied by the profession, he went on to work as an assistant director to Karan Johar in the 2010 film My Name Is Khan.
Muscle spasms and cramps. Cramps are caused by muscle spasms, involuntary contractions of one or more muscles. In addition to the foot and calf muscles, other muscles prone to spasms include the front and back of the thigh, the hands, arms, abdomen and muscles along the ribcage.
Dystonia encompasses a broad and complex spectrum of clinical presentations that occur as a result of opposite muscles contracting (muscle co-contraction), involuntarily causing the muscle to spasm. Spasmodic dysphonia (SD) is a rare form of dystonia that affects the laryngeal muscles (vocal cords).