I've changed my stance on the use of overhand spears several times now; the last being when I read posts explaining how hoplites would fight in very close proximity and thus not be able to take advantage of the extra reach of an underhand grip. Just now however, I have seen this video on youtube, and I have decided to change my position again :)

I would like to know what answers you would give to the questions aired on the above video. I now find it increasingly doubtful that hoplite warfare would consist of a great amount of pushing given that from what I've read here, casulties were very light. If such a pushing match occurred, routing would fast get the front lines killed. With a formation 8 ranks deep, I suspect 4/5 would be summarily slaughtered.