Complete 4 rounds of the circuit using a challenging weight (i.e., you can complete 8 reps, but couldn’t get to 10 if you wanted). If you finish each set feeling like you could keep going, then increase the weight.
The Anterior Cruciate Ligament (ACL) helps keep the knee stable, and prevents it from sliding forward. When you have a Torn ACL, your knee can become painful and unstable. These stretches and exercises are for a non-operative or pre-operative injury. See Doctor Jo’s blog post about this at: http://www.askdoctorjo.com/content/acl-tear-stretches-exercises