Trunk Stability Screen
The trunk stability push-up tests the ability to stabilize the spine and trunk in the anterior and posterior planes during a closed-chain upper-body movement. Performing the screen: The individual assumes a prone position with the feet together. The hands then are placed shoulder- width apart at the appropriate position according to the criteria. The verbal instructions are, “Lie on your stomach with your hands positioned shoulder-width apart at the [appropriate hand placement].”
- Males: Thumbs in line with the forehead
- Females: Thumbs in line with the chin
“Raise your toes toward your shin, and place them on the ground. Extend your knees off of the ground. Maintain a rigid torso. Raise yourself as one unit with no lag in the low back into a push-up position.” The body should be lifted as a unit. There should be no dip in the lumbar spine when performing this push-up. If the individual cannot perform a push-up in this position, the hands are lowered to the appropriate position per the criteria below: A score of 3 is given if:
- Males perform one repetition with thumbs aligned with the top of the forehead.
- Females perform one repetition with thumbs aligned with chin.
A score of 2 is given if:
- Males perform one repetition with thumbs aligned with chin.
- Females perform one repetition with thumbs aligned with clavicle.
A score of 1 is given if: