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The main symptom of benign fasciculation syndrome is focal or widespread involuntary muscle activity (fasciculation). [1] The benign twitches usually have a constant location. [2] Other common symptoms are generalized fatigue or weakness, paraesthesia or numbness, and muscle cramping or spasms. [1]
Frequency. 1 in 1,000,000. Stiff-person syndrome ( SPS ), also known as stiff-man syndrome, [ 1] is a rare neurological disorder of unclear cause characterized by progressive muscular rigidity and stiffness. The stiffness primarily affects the truncal muscles and is characterised by spasms, resulting in postural deformities.
The disorder causes muscle weakness, atrophy, and muscle spasms throughout the body due to the degeneration of the upper motor and lower motor neurons. Sensory nerves and the autonomic nervous system are generally unaffected, meaning the majority of people with ALS maintain hearing, sight, touch, smell, and taste. [3]
A fasciculation, or muscle twitch, is a spontaneous, involuntary muscle contraction and relaxation, involving fine muscle fibers. [ 1] They are common, with as many as 70% of people experiencing them. [ 1] They can be benign, or associated with more serious conditions. [ 1] When no cause or pathology is identified, they are diagnosed as benign ...
The upper back includes multiple muscles: latissimus dorsi (lats), levator scapulae (shoulder blade), rhomboids (muscles that pull the scapula inward toward the spine), and the trapezius (traps ...
Myofascial pain syndrome ( MPS ), also known as chronic myofascial pain ( CMP ), is a syndrome characterized by chronic pain in multiple myofascial trigger points ("knots") and fascial (connective tissue) constrictions. It can appear in any body part. Symptoms of a myofascial trigger point include: focal point tenderness, reproduction of pain ...
Piriformis syndrome is a condition which is believed to result from nerve compression at the sciatic nerve by the piriformis muscle. [ 2][ 5] It is a specific case of deep gluteal syndrome. [ 6] The largest and most bulky nerve in the human body is the sciatic nerve. Starting at its origin it is 2 cm wide and 0.5 cm thick.
Spasmodic torticollis is an extremely painful chronic neurological movement disorder causing the neck to involuntarily turn to the left, right, upwards, and/or downwards. The condition is also referred to as "cervical dystonia ". Both agonist and antagonist muscles contract simultaneously during dystonic movement. [ 1]