You first require to work on your posture. Your tall height is making you do things in a slouched posture thereby the pains. Also your height compels you to sit in odd postures with your legs. This is leading to weakness of your muscles and using these weak muscles the same way is causing irritability in them, the knots. When you do jumping or running beyond the tolerance capacity of the leg muscles they give you pain.
Next Steps
work on posture, ergonomics in every aspect of your daily activities and do appropriate stretching exercises followed by strengthening.
Health Tips
we can do a teleconsultation if you want.