- Body Systems
- Health Care
- Threats to Health
- Healthy Living
Tremor
postural tremor
- present throughout range of motion
- autosomal dominant, with variable penetrance
- bilateral, responds to alcohol and propanolol
- can be present at rest and in given posture if it is severe enough
rest tremor
- 5-7 Hz
- best tested with arm resting in lap
- can reemerge once limb is kept in one spot for a while (mimicking a postural tremor)
Intention tremor
appears when approaching a target, fine motor activities are at their finest.
suggests potential problems in pontocerebellum
task-specific tremor
isometric tremor
- 14-16 Hz
- tremor when muscles are contracted
- hard to see, but can hear with a stethoscope on back
This information is for training in careers with many inherent risks. Do not base any decision or action on this site's contents, either for yourself or someone else, without first consulting with a health care professional. Sharing In Health cannot be held responsible for adverse events of any kind.
Please forgive and contact david . lapierre @ dal . ca if you have found any errors of commission or omission as this site develops.