How to Strengthen your Quads from Scratch 

Thank you for this! I basically have no quad muscles and these will help!

Thanks a million

Thank u for the upload I got to work this area out and had no idea

Thank you Thank you GOD Bless you 🙏 for this video ❤️ I pulled BOTH quad muscles riding my moutain bike to work Theses exercises are perfect 👍

Bending foot forward stretches my sciatic nerve

hi doctor, this is gupta from Nepal. i had my left knee acl surgery 3 month ago. now i am getting rehabilitation. during my acl recovery now i feel some strange in my body. 1. My all body joints are cracking and making sound. 2. my left part of body (left part) muscles getting weak than other. 3. my left part of body from head to leg it's feel weak than other. (when i touch something it feels left's feeling is weak than right. can you explain why these things are happening to me ? i am looking forward, gupta-nepal now-south korea

Thank you for explaining this. What is that ball called that is shown in the exercise?

Hi i have osteoarthritis .. Can i do this exercise??