The muscle has two jobs
Think about what your pelvic floor is actually asked to do in a normal day.
Most of the time it holds a low, steady level of support while you sit, stand and walk around. That is an endurance job. Then, occasionally and without warning, it has to fire hard and instantly: a cough, a sneeze, a laugh, picking up a heavy box, a sudden urge on the way home. That is a speed job.
Those are different demands, and training only one leaves an obvious hole. A muscle that can hold for ten seconds but takes half a second to switch on is no use in the moment a sneeze arrives. A muscle that snaps on instantly but fades after two seconds is no use for the rest of the day.
This is why both speeds appear in every level of KegelPro rather than fast work being a later unlock. Milios 2019 compared a program that combined fast and slow contractions against a slow-only program and the combined approach came out ahead, which is the clearest direct support for building it in from the start.
Quick flicks
What it is: one second on, then let go completely, with two seconds of release before the next one.
What you are training: the speed of switch-on and, just as importantly, the speed of switch-off.
How to do it well: snap up crisply and drop completely. Do not grind out a two-second half-squeeze and call it a flick. Force is not the point; timing is. Most people's flicks degrade into short holds after eight or ten reps, at which point the block has stopped training what it is supposed to train.
The failure mode: creeping tension. If each rep starts from a slightly higher baseline than the last, you are accumulating tone instead of resetting, and by rep fifteen you are just clenched. Watch for the release, not the squeeze.
Flick blocks use one second on and one to three seconds off, which matches both the fast contraction timing in Milios 2019 and the rest interval in professional patient protocols.
Short and long holds
What it is: a steady contraction from two seconds early in the program up to a ceiling of ten seconds, with at least equal release time after each rep.
What you are training: endurance and the ability to sustain a submaximal contraction without everything else joining in.
How to do it well: find the contraction, hold it steady, and keep breathing. The hold should be sustained rather than a maximum effort that decays. If it starts to shake or fade at second six of a nine-second hold, that is your real capacity, and there is no benefit in grinding out the rest with your glutes.
Why ten seconds is the ceiling: no published trial or professional protocol we drew on prescribes longer, and longer holds mostly teach breath-holding and accessory muscle substitution. Ten seconds by ten reps is the endpoint used in professional patient guidance, and it is where the program tops out and stays.
Rest is not optional: every hold gets at least as much release time as contraction time. Milios 2019 used equal rest periods; Dorey 2004 paired ten-second contractions with ten-second rests. In the early levels KegelPro gives you a couple of seconds more than equal, as a cushion while your technique is still forming.
The elevator
The third variation shows up later in the program, from level nine. Instead of on or off, you lift in stages, hold at the top, then lower under control through the same stages.
This is a control exercise, not a strength exercise. It trains graded, submaximal command of the muscle: the ability to use thirty percent of your contraction rather than only zero or one hundred. Dorey 2004 included submaximal work of this type, lifting the pelvic floor to roughly half of maximum during everyday activity, as part of the home program our exercise selection draws from.
It comes later purely as a skill judgment. Controlling a muscle in graded stages requires a sense of where the muscle is that most people simply do not have in the first month. Introduce it too early and the "stages" are imaginary.
How the two sessions split the work
Session A is endurance-biased and built around holds, with a short flick block attached from level three. Session B is speed-biased and built around flicks, with an elevator or a shorter hold block. Both open with breathing and close with a release.
If you only do one session on a given day, do Session A. If you are consistently only managing one, that is worth knowing about yourself, and it is a better outcome than skipping both.
When to talk to a professional
Stop and get advice if you get pain during or after training, if you cannot feel the muscle release between repetitions, or if new pelvic aching or heaviness follows your sessions. Pelvic floor exercise should never be painful, and worsening symptoms as volume increases is a reason to back off and be assessed rather than push harder.