Cheap & Objective Way To Measure Quad Strength | ACL Surgery 

Learn how to set up an objective, effective, and cheap (~$50) way to test quad strength and determine quad index. No expensive equipment (eg. Biodex, hand-held dynamometer) needed. Comparable results to testing on an electromechanical dynamometer.
If you haven't been testing quad strength on people who have had knee surgery (especially ACL reconstructions) because you didn't have any fancy, expensive equipment...no more excuses!
Equipment Needed:
Hanging Weight Scale - amzn.to/2O9jSAk (full disclosure - amazon affiliate link)
3’-4’ of Chain (get from local hardware store)
Ankle Strap/Attachment (can use ankle strap for cable column)
Carabiner (optional)
Doctor of Physical Therapy
Board Certified Specialist in Sports PT
modernsportspt.com