Reply To: Weak at the knees. Home / Forums / Weight Training & Conditioning / Weak at the knees. / Reply To: Weak at the knees. IAN September 4, 2008 at 4:19 am #6875 Close your stance-I used to squat with my feet about 12″ apart-worth a try!-and yes I’m still a retard left foot slightly in front-really struggling at the moment to squat-damn lower back pain! Settings