Why my knee is unstable?

Question

When i walk i have to walk with my knee bent because if i walk normally then it feels like my knee is unstale. It feels like it goes back to far and it feels like it wobbles forward and backward. not from side to side. Anyone know what that could be from. Thanks.

Answer 1

do you have pain? if not a while, it sounds like a muscle weakness. so, muscle strengthening exercises along with gait training will help you. consult your physiotherapist. if you have pain, it may be due to many reasons like ligament injury, bony problem ... etc. so, consult your doctor.  

Answer 2

Sounds like a torn ligament.

Edit to add to therapist sim:  Better get a refresher course before you "prescribe" exercises or anything else. The instability he described is a sure sign of a serious ligament injury and doing the exercise you describe could seriously worsen his condition.

Answer 3

torn ligament most likely. go to the doc immediately. and stay off it as much as possible. if you dont go to the doc quick, bad things can happen. u can get torn ligaments from anything. mostly by twisting ur knee in a bad angle, falling wrong. things like that. maybe u even bumped it hard.  Hope u get better