Hypertonia is caused by upper motor neuron lesions that may result from injury, disease, or conditions that involve damage to the central nervous system. The lack of or decrease in …

Dec 29, 2021 · Overview What is hypertonia? Hypertonia is too much muscle tone. Infants and newborns diagnosed with hypertonia have stiff muscles, especially their arms, legs and neck, …

Hypertonia is a condition in which there is too much muscle tone so that arms or legs, for example, are stiff and difficult to move. Muscle tone is regulated by signals that travel from the …

Aug 5, 2025 · Hypertonia is a condition characterized by an abnormal increase in muscle tone, resulting in stiffness and reduced range of motion. This neurological disorder affects adults …

Jun 30, 2025 · Learn how hypertonia in babies leads to stiff limbs and movement challenges, and discover its causes, symptoms, and effective treatment strategies.

Hypertonia is when someone has too much muscle tone in their body, making it hard to flex and move around normally. People with hypertonia will have issues with stiff movements, balance, …

Jul 18, 2025 · Learn about hypertonia and hypotonia, signs to look for, and how they affect muscle tone in children. Discover tips to support your child’s development.

Hypertonia is defined as an abnormally increased resistance, perceived by the examiner, to an externally imposed movement about a joint, while the patient is attempting to maintain a …

It is also a term that is often used interchangeably with hypertonia. However, there is a particular type of hypertonia in which the muscles' spasms are increased by movement.

In neurology, we consider the muscle tonus increased if, by passive movement of extremities or parts thereof, a resistance occurs, in spite of the patient being fully relaxed. If we cannot …