Bioelectrical impendance Analysis
How to perform a bioelectrical impendance analysis
The subject should not eat or drink within 4 hours of the test or drink any caffeine, as hydration levels will affect the results of the test. The test works by sending an weak electric current through the body of the subject, this will find the level of fat present as the fat free mass in the body (muscle, bone and connective tissue) will conduct electricity whereas fat will not.
To perform the test.
To perform the test.
- Enter data into the machine, such as height, weight, age and gender.
- Remain still as the weak electrical current is passed around the body.
- Record the results displayed on the screen.
Normative data
Advantages and disadvantages
Advantages
- Simple and quick to perform
- Quite accurate
- To get very accurate readings you would need an expensive machine