How to take the test:

1) Lay down on your back with both legs flexed or extended on a hard and flat surface and have your arms resting next to you

2) Flex the elbow on the tested side to 90 degrees and keep it flexed for the duration of the test

3) Slowly lift the arm backwards in a straight line

4) Move until the movement feels light, easy and smooth

5) Stop when any of the following applies:
– back moves the slightest
– the body begins to roll
– the elbow begins to deviate
– the head comes forward

6) Measure the angle between the starting and end positions