Involuntary movements and prolonged muscle contraction that result in twisting body motions, tremors, and abnormal posture. These movements may involve the entire body or only an isolated area. Dystonia can be inherited, may occur sporadically without any genetic pattern, may be associated with medications (particularly antipsychotic drugs), or may [..]

A form of dystonia that affects the muscles of the head, face, and neck. Spasmodic torticollis can be classified as a type of cranial dystonia.

A condition that typically begins in childhood or adolescence with progressive difficulty in walking and, in some cases, spasticity and can be successfully treated with drugs. Segawa dystonia is an important variant of DRD. In Segawa dystonia, the symptoms fluctuate during the day from relative mobility in the morning to increasing disability in th [..]

The involuntary, forcible closure of the eyelids. Focal dystonia due to blepharospasm is the second most common focal dystonia. The first symptom may be uncontrollable blinking. Only one eye may be affected initially, but eventually both eyes are usually involved. The spasms may leave the eyelids completely closed, causing functional blindness even [..]

See: Focal dystonia due to torticollis.

A form of dystonia known as early-onset torsion dystonia (also called generalized torsion dystonia) begins in childhood around the age of 12. Symptoms typically start in one part of the body, usually in an arm or leg, and eventually spread to the rest of the body within about 5 years. Early-onset torsion dystonia is not fatal, but it can be severel [..]

See: Spasmodic dysphonia.

Dystonia that affects the muscles of the jaw, lips, and tongue. The jaw may be pulled either open or shut, and speech and swallowing can be difficult.

An important variant form of dopa-responsive dystonia (DRD). DRD typically begins in childhood or adolescence with progressive difficulty in walking and, in some cases, with spasticity. DRD, by definition, can be successfully treated with dopa. In Segawa dystonia, the symptoms fluctuate during the day from relative mobility in the morning to increa [..]

A form of dystonia known as early-onset torsion dystonia (also called idiopathic or generalized torsion dystonia) begins in childhood around the age of 12. Symptoms typically start in one part of the body, usually in an arm or leg, and eventually spread to the rest of the body within about 5 years. Early-onset torsion dystonia is not fatal, but it [..]

A dystonia that affects the muscles of the hand and sometimes the forearm and only occurs during handwriting. Similar focal dystonias have also been called typist's cramp, pianist's cramp, musician's cramp, and golfer's cramp.

Persistent muscle contractions that can cause limb twisting and repetitive motions

An abnormal and involuntary tension or contraction of the muscles resulting in a distorted posture. See extrapyramidal effects.

muscle disorders (pop)

Neurological movement disorder causing involuntary movement of muscles that result in abnormal postures.

A slow movement or extended spasm in a group of muscles.

A disorder in which muscles twitch, causing uncontrollable twisting movements.

Involuntary, sustained muscle contractions that frequently cause twisting body motions, tremor, and abnormal posture (these movements may involve the entire body, or only an isolated area)

Having abnormal muscle tone.

Dystonia is a condition characterised by involuntary contraction of one or a group of muscles which is often hereditary. The muscle contractions often cause twisting and repetitive movements which can [..]

A Syndrome characterized by orofacial Dystonia; including Blepharospasm; forceful jaw opening; lip retraction; platysma Muscle Spasm; and tongue protrusion. It primarily Affects older Adults, with an [..]

A condition characterized by focal Dystonia that progresses to involuntary spasmodic contractions of the Muscles of the Legs, trunk, Arms, and Face. The hands are often spared, however, sustained axia [..]

An Attitude or Posture due to the co-contraction of agonists and antagonist Muscles in one region of the body. It most often Affects the large axial Muscles of the trunk and limb girdles. Conditions w [..]

A Parasomnia characterized by paroxysmal episodes of choreoathetotic, ballistic, dystonic Movements, and semipurposeful activity. The episodes occur during non-rapid Eye Movement Sleep and typically r [..]

A persistent attitude or posture due to the co-contraction of agonists and antagonist muscles in one region of the body. It most often affects the large axial muscles of the trunk and limb girdles. Co [..]

a slow movement or extended spasm in a group of muscles.

Abnormal and awkward posture or sustained movements of a hand, foot, or other part of the body; may be accompanied by rigidity and twisting

A movement disorder that may be confused with Parkinson's disease. Dystonia is characterized by abnormal and awkward posture or sustained movements of a hand, foot, or other part of the body; may [..]