stretch

http://www.askthetrainer.com/best-foot-and-ankle-exercises/
http://www.askthetrainer.com/leg-stretches/
https://b-reddy.org/2012/03/04/the-best-damn-it-band-stretch-ever/
http://www.barefitness.net.au/blog/are-you-neglecting-your-illiotibial-band-itb-where-it-is-what-it-is-and-how-to-effectively-look-after-it
tensor fascia lata 
http://www.painfreenews.julstro.com/vol_42_tensor-fascia-lata-and-iliotibial-band.html
https://www.google.com/search?q=tensor+fascia+lata+and+peroneal+tendonitis&safe=off&biw=1280&bih=923&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwiVkOHdx9DMAhVCv5QKHS9tDTwQsAQIKA