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How many faults from one film session should you actually coach in a week?

A single clip of a shot putter can flag three separate things worth fixing, and trying to fix all three at once usually fixes none of them.

Run a thrower's film through the Film Room and it is common to get more than one finding back at once: a release angle outside the target band, a trunk that folds forward instead of staying tall, an arm that starts pulling before the hips arrive. All three can be real. Coaching all three in the same week is usually a mistake.

Why more than one cue backfires

An athlete, especially a younger one, cannot consciously rebuild several parts of a throw at the same time. Two cues that both feel right in isolation can actively fight each other: stay tall over the leg, and keep the arm long, are both correct instructions, but an athlete trying to hold both in mind mid-throw usually ends up tense and worse at both than they were with neither.

How to pick the one that matters

• Fix whatever happens earliest in the movement first. A late fault is often just the downstream effect of an earlier one, and fixing the early one sometimes clears the later one for free.
• Pick the fault the athlete can actually feel. A cue nobody can self-correct between reps only works while you are standing there.
• Leave alone anything the report flags as information rather than a fault, especially the throws event's trunk and arm numbers, which the Film Room deliberately does not call wrong either way.

That last point is specific to throws. A shot putter correctly keeps the throwing elbow folded tight through the whole motion, a discus thrower correctly keeps the arm long. One band cannot be the right answer for both, so the app reports the trunk and arm measurements without labelling either one a fault. If the app itself will not commit to calling it wrong, it is not the cue to spend this week's practice on.

Pick one fix, give it two weeks, and refilm from the same spot to see whether the number actually moved before adding a second cue on top of it.

A camera cannot rank which fault is really causing the others, or judge how much correction an athlete can absorb in one week without getting frustrated and worse. It reports what it measures. Deciding what to coach from that list is still the coach's job.

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