I've noticed a few posts that include leg extension sets on them and I wanted to advise all of you to throw this movement out of any further training...
Why?
Well first thing is for the simple fact that I'm striving to balance out the strength between the front of your knee and the back of it... In other words, I want your hamstrings and quads to be the same strength, but here's the thing as a women you are already inclined to have quads and inner thigh muscles that are already overly strong which make you default to a really risky landing position after you jump, run, cut, etc... Hence, why women tear their ACLs much more frequently then men do... So that's reason one...
Second thing... Imagine if I sit you up on a table with your knee at the edge and then proceed to take your lower leg and start driving your shin towards the floor while your upper leg is immobilized by the table your're sitting on... Doesn't sound too great for your knee does it? Well that's exactly what a leg extension machine is doing to your knee as you perform it... And guess what sits right in the middle of your knee joint... Your ACL...
I have no issue with you doing hamstring work on a leg curl machine or even calf raises if you want, but skip the leg extensions...
Justin
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