PVJunkie wrote:Thus the age old line "RUN THROUGH THE TAKE-OFF NOT TO THE TAKE-OFF"
Your last step must be active not passive. If you are still in contact with the ground you can create energy.
Exactly!
But at the risk of being repetitive, I'd like to stress this to any younger, less-experienced vaulters that still don't quite "get it".
I'm not just talking about just "running through" the take-off. I'm talking about TAKING OFF on the take-off. That's a redundant sentence - I know - but think about it.
It rang a bell with me after listening to the Women's Long Jump commentator yesterday. He said that Marion Jones is a sprinter that's trying to long jump (so it's not her best event), whereas most Olympic long jumpers are long jump SPECIALISTS. In other words, they're not necessarily fast - they're just good LONG JUMPERS.
I think what the commentator might have been trying to say is that you don't have to have good sprint speed to be a good long jumper. You just need a super-quick TAKE-OFF.
I relate that to PV athletes. Yes, most are good sprinters, and that helps a lot. But for the rest of us, you can still be a good pole vaulter if you realize your strengths and weaknesses, and leverage them accordingly.
I sincerely believe this, as I've lived it. I hope I can convince at least one young athlete to continue training hard because they CAN BE a good vaulter despite lack of natural sprinting ability.
I also agree with PVJunkie for stating that "If you are still in contact with the ground you can create energy." He's saying that once you leave the ground, there's nothing to push against to create more energy. So once in the air, your destiny is set for the vault as far as creating energy. You're in the hands of the laws of physics at that point. This is all true.
(As a side point, don't incorrectly conclude that you should stay in contact with the ground LONGER to create MORE energy. It doesn't work that way!)
However, it's only the SUM of all energies that is immutable after take-off. The amount of kinetic and potential energy varies greatly as energy gets stored into the pole and is then released. This is basic science that's indisputable.
But I think the physicists don't take this far enough. What's NOT discussed much is the significance of the LOSS of energy to other forms, such as heat loss caused by muscle "friction". The best high jumpers have the least amount of energy loss on take-off. So too with pole vaulters.
But I'm not suggesting that we should jump upwards like high jumpers rather than forwards. Far from it! That's a whole other discussion for another day.
What I am suggesting is that there's always going to be some energy loss on take-off - you should just try to minimize it. In fact, there's continual energy loss (to muscle "friction") throughout the entire vault! Fibreglass poles absorb and release energy very, very efficiently. The human body doesn't.
If you don't believe me, then explain why your upper-body muscles feel like they're "tired" when you land, and explain why you're sweating. It wasn't just because of your run! And explain why your muscular actions after take-off require you to "exert energy". That's energy loss! In my mind, those are all proof of energy losses within the human body AFTER take-off.
So my point is that pole vaulters, high jumpers, and long jumpers can improve their performances if they recognize where these energy losses (friction, or inefficiencies) are in their jump, and modify their technique accordingly.
Sorry for the long post, but as I said, I hope some young vaulters can benefit from this insight.