Parkinson's disease is a progressive neurological disorder, which has no definitive cause, however a lack of dopamine production is known to be a contributing factor .Low levels of dopamine results in bradykinesia, or the slowness of movement, which is one of the most recognisable symptoms of Parkinson's disease  . Parkinson's disease can also affect a person's sleep and memory, and cause pain and potentially depression . The disease does not cause death, and can be lived with for a long time, however, a person's quality of life is degraded .
In Australia currently, approximately 80,000 have Parkinson's disease, with the average age of diagnosis around 65 .
Effect of high intensity resistance training
The is currently no cure for Parkinson's, however there are treatments to help people deal with symptoms .
- Parkinson's Australia. (2015). What is Parkinson's? Retrieved from http://www.parkinsons.org.au/what-is-parkinsons Invalid
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<ref>tag; name "Parkinson's Australia" defined multiple times with different content
- Berardelli, A, Rothwell, J.C., Thompson, P. D., Hallett, M. (2001). Pathophysiology of bradykinesia in Parkinson’s disease. Brain, 124(11), 2131-2146.