Gluteus medius, anterior fibers, and inaccurate diagrams....

Ok im trying to work out how the anterior fibres of the gluteus medius internally rotate the femur.

The problem is with every diagram I look at its shows a different shaped gluteus medius with fibres going in different directions, so there must be a lot of faulty information out there and I need some accurate images.

The best picture I could find was of an actual persons gluteus medius and the only problem with that is it is different from every other picture/diagram ive seen of the gluteus medius, especially the anterior fibers which is what I need to look at to understand how internal rotation works. They were all curved and attached to the front of the trochanter not the side so much!?

I attached 2 pictures of the medius to show you what I mean.

Anyway Id like an accurate picture, id like to know how internal rotation works because the fibers seem to want to pull the femur internally but also up in the air at the same time, since the fibers are laid diagonally.

Also id like to know where the anterior fibres of the medius are, I know that means the front fibres but where do the anterior fibers start and end?

Many thanks guys!