crayford wrote:For a "quick fix" you can always try pulling after you complete your takeoff; if you search for "what does the bottom arm do," though you'll see a lot of debate on this topic
Please do not be very vague with THIS statement!
While the mechanics of the bottom arm pull is quite sound in my opinion, I still have a lot of questions in my mind as to how effectively your ordinary coach can teach it to any ordinary athlete. This is made much worse by trying to teach it over the internet. The actual biomechanics of it has been well thought out but the learning process is still a question mark in my mind until I see this technique executed by not only elite athletes but beginners as well. If it can be taught to beginners en masse then it can be taught effectively. However for the purposes of the high school vaulter who don't train 6-7 days a week at an elite facility, I would not try to introduce something which is extremely unlikely to be learned properly based on the circumstances - as opposed to something tried and true which is simple to teach and easy to achieve. It's a case of going somewhere vs going nowhere (or perhaps backwards if learned poorly enough!). Also, the bottom arm pull can only be effective provided that everything else has gone well, especially the take off which is what I'm guessing is going on here.
My advice for flagging out - yes, looking at the bar is common, but make sure you're not taking off under first. Every time I read about this problem and I see a subsequent video, I find from personal experience I see that almost all of the time the take off is under. The best coaches I've seen with aim out with every jump and this takes precedence over just about everything else. If there is a problem with the take off spot, that (and anything that attributes to that) gets attention before anything else. How far out one should take off depends on the vaulter, not everybody can manage a big jump out. If you ask me though, typically about 3 inches out is achievable by anybody, even beginners (and I've seen quite a few who are capable of this) provided that they've been trained well. And training for this means learning to jump out from 2 steps (1 left), then 4 steps (2 lefts), 6 steps ect. pulling the run up back while still maintaining the good take off spot. The body needs to get used to the sensation of jumping into the pole as opposed to having the pole lift you off the ground.
If you are taking off on the spot or out (which is better), make sure you're not rowing your arms down to try and invert. This will get you stuck underneath the pole while it's uncoiling and it will flag you out. Also, when your feet reach the pole at the latter end of your swing you MUST drive the shoulders down otherwise you will just flag out again when you extend.
Hope that helps!
-Andrew