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Spastic hypertonia involves uncontrollable muscle spasms, stiffening or straightening out of muscles, shock-like contractions of all or part of a group of muscles, and abnormal muscle tone. It is seen in disorders such as cerebral palsy, stroke, and spinal cord injury. Rigidity is a severe state of hypertonia where muscle resistance occurs ...
In many people with SPS, muscle rigidity eventually progresses from the trunk to the limbs — first affecting muscles closest to the trunk, then further. [6] Stiffened limbs can affect a person's balance and gait , causing awkward 'statue-like' falls, where the affected person cannot put out their arms to soften the impact. [ 6 ]
Myotonia congenita is a congenital neuromuscular channelopathy that affects skeletal muscles (muscles used for movement). It is a genetic disorder.The hallmark of the disease is the failure of initiated contraction to terminate, often referred to as delayed relaxation of the muscles and rigidity. [1]
Spasticity can be differentiated from rigidity with the help of simple clinical examination, as rigidity is a uniform increase in the tone of agonist and antagonist muscles which is not related to the velocity at which the movement is performed passively and remains the same throughout the range of movement while spasticity is a velocity ...
Hypokinesia is characterized by a partial or complete loss of muscle movement due to a disruption in the basal ganglia. [citation needed] Hypokinesia is a symptom of Parkinson's disease shown as muscle rigidity and an inability to produce movement. It is also associated with mental health disorders and prolonged inactivity due to illness ...
A patient with depression and catalepsy Rigidity of the body produced by catalepsy. Symptoms include a rigid body, rigid limbs, limbs staying in same position when moved (waxy flexibility), no response, loss of muscle control, and slowing down of bodily functions, such as breathing.
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Weakness in the hands and forearms occurs in many people as the disease progresses. [10] High-arched feet or flat-arched feet are classically associated with the disorder. [11] Loss of touch sensation in the feet, ankles, and legs as well as in the hands, wrists, and arms occurs with various types of the disease.