you mean like this?
that's Paul's picture...
And just for futher info, here is why Horstfall measured data was not really relevant to spears (rare pictures, but Dan should recognize them probably):
(he measured with dagger, with completely different movement trajectories, therefore these values cannot be used to depict spears or even swords)
here is that Lindybeige mock combat video (about at 1:15 you have that side attack):
https://www.youtube.com/watch?v=Ixm6sXe1TYE
and to the picture you posted, thats not from the book, here is one from that book:
that's Paul's picture...
And just for futher info, here is why Horstfall measured data was not really relevant to spears (rare pictures, but Dan should recognize them probably):
(he measured with dagger, with completely different movement trajectories, therefore these values cannot be used to depict spears or even swords)
here is that Lindybeige mock combat video (about at 1:15 you have that side attack):
https://www.youtube.com/watch?v=Ixm6sXe1TYE
and to the picture you posted, thats not from the book, here is one from that book:
Jaroslav Jakubov