Extension means 'straightening'.
Page updated July 2023 by Dr Sheila Strover (Clinical Editor)
Is it important to regain full extension?
It is more important to regain full extension than it is to regain full flexion.
What is passive extension?
Passive extension exercises, such as 'prone hangs' use gravity to help regain extension.
Active extension exercises
Active extension exercises rely mostly on the quads muscles, but these muscles often become inhibited after knee injury or surgery, and it may take time to get the muscle to start triggering. Usually one begins with 'short arc extensions'.
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