My Butt hurts when I run! Proximal Hamstrings Tendinopathy 

See the full referenced blog article on this topic here: www.yorkvilleph...
In this video, Toronto Physiotherapist James Braithwaite describes a great alternative exercise for remodelling a damaged proximal Hamstrings tendon. This type of injury is characterised by pain in the crease of your butt when you run.
:ink to NORDIC HAMSTRINGS DROP EXERCISE: www.yorkvilleph...