Kalkulatori.bg

Isometric holds look “still,” but they are mentally demanding—there are no reps to break up the effort like squats. This timer tracks total hold time and pings you on a reminder cadence so you are not staring at tiny seconds.

Set a total hold—say 90 seconds of plank or two minutes of wall sit—then choose a reminder interval. A soft cue every 10–15 seconds breaks monotony and reduces the chance you drift out of good alignment out of boredom.

A progress bar shows how close you are to finishing. Many athletes find the bar more motivating than digits alone; combine it with sound if you train somewhere noisy and might miss a single beep.

Typical drills: front and side planks, wall sits, static hang, L-sit support work, isometric glute bridge holds. Yoga-style postures can also use timed holds—this tool does not replace a teacher, but it keeps left and right sides honest.

Symmetry: run the same duration on left and right for single-side holds so you do not accidentally favor your dominant side.

Breathing: slow nasal breathing often stabilizes the trunk during planks. If breathlessness ramps faster than muscular fatigue, shorten the hold or regress (knees-down plank).

Safety: stop on sharp wrist, elbow, or low-back pain. Tendons load heavily in isometrics—position quality beats chasing records.

Pairing: sandwich a long core hold after a HIIT block for a different nervous-system stimulus in one session.