How many jumps at one height is too many in high jump practice?
The bar rarely tells you an athlete is fatigued until after the technique has already broken down, and film usually catches it earlier.
The bar sits at a moderate height, the athlete keeps clearing it, and it is tempting to keep calling for another attempt because they are making it. Makes and misses hide something that matters more, especially at a height well under the athlete's max: the technique quietly getting worse while the bar keeps going down clean.
Makes are not the same as quality
An athlete can clear a bar with a flattening approach, a shorter plant, and less hip rise than their best attempts, and still get over it, particularly at a height they clear comfortably. Counting attempts by makes and misses alone hides exactly the fatigue that matters most for injury risk and for what actually transfers to a harder height on a meet day.
Rough signs it is time to stop
- The approach gets visibly shorter or the last three steps get choppy, even though the bar is still going up.
- Attempts start needing a rest between them that the athlete did not need earlier in the session.
- The plant foot lands in a different spot jump to jump instead of the same mark each time.
There is no universal number of reps, because it depends on the height relative to the athlete's max, their age, and where the season sits. That is exactly why watching quality beats counting attempts.
What the Film Room can check that a stopwatch and a tape cannot
The high jump setting reads hip rise as a share of body height, takeoff angle, and knee fold and extension. Film the first three attempts of a session and the last three at the same height from the same camera spot, then compare hip rise. A meaningful drop across the session, even while the bar is still going down clean, is the fatigue the makes-and-misses count was hiding.
A single 2D camera reads the jumps it is pointed at and nothing about the ones before the camera went up or the ones from three practices ago. It will not tell you whether a drop in hip rise this session is one bad day or a pattern building across a training block. That only shows up once several sessions are actually saved and compared side by side.
Time your next meet with the phones you already have
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