NIH Toolbox Grip Strength Test
This protocol is adapted from the grip strength testing protocol of the American Society of Hand Therapy.
Participants are seated in a chair with their feet touching the ground. With the elbow bent to 90 degrees and the arm against the trunk, wrist at neutral, participants squeeze the Jamar Plus Digital dynamometer as hard as they can for a count of three. The dynamometer provides a digital reading of force in pounds. A practice trial at less than full force and 1 test trial are completed with each hand.
The test takes approximately 3 minutes to administer and is recommended for ages 3-85.
Accessibility/Accommodations
Blind |
Low Vision |
Decreased Hand Function |
Mobility Impairment |
Deaf |
Hard of Hearing |
Speech impairment |
Reading Impairment |
A |
A |
A |
A |
P |
A |
A |
A |
N= not accessible and not feasible to make accessible |
P=Not accessible, but can be made accessible with reasonable accommodations |
A= Currently accessible |