What does Parkinson disease do to motion?

Parkinson's disease (PD) is a progressive neurological disorder that affects movement, balance, and coordination. It is caused by a loss of nerve cells in the brain that produce dopamine, a neurotransmitter that helps control movement.

Symptoms of PD can include:

* Tremor: This is the most common symptom of PD and often starts in one hand. It can also affect the legs, chin, and trunk.

* Rigidity: This is a stiffness of the muscles that can make it difficult to move. It can affect the limbs, neck, and trunk.

* Bradykinesia: This is a slowness of movement. It can affect all aspects of movement, from walking to talking to writing.

* Postural instability: This is a difficulty maintaining balance. It can lead to falls.

* Other symptoms: PD can also cause a variety of other symptoms, including depression, anxiety, sleep problems, and cognitive impairment.

PD can affect movement in a number of ways:

* Tremor: The tremor of PD is typically a resting tremor, meaning that it occurs when the person is not moving. It can be mild or severe and can interfere with everyday activities such as eating, writing, and dressing.

* Rigidity: The rigidity of PD can affect all of the muscles in the body, but it is most common in the limbs. It can make it difficult to move the arms and legs and can cause pain and stiffness.

* Bradykinesia: The bradykinesia of PD can affect all aspects of movement, from walking to talking to writing. It can make it difficult for people with PD to perform even simple tasks.

* Postural instability: The postural instability of PD can make it difficult to maintain balance and can lead to falls. It can also make it difficult to get up from a chair or bed.

PD is a progressive disease, which means that it gets worse over time. The symptoms of PD can vary from person to person and can change over time. There is no cure for PD, but there are treatments that can help to manage the symptoms.