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What is Grinder?
A grinder is what happens when a rep doesn't move smoothly: the bar decelerates hard at the lift's sticking point and the lifter has to fight it out with visible shaking, a slowed bar path, and sometimes a slight form breakdown, rather than a clean, continuously accelerating rep. It's most common on true 1-3 rep maxes and on the final rep or two of a set taken close to failure.
How it works
As the force a lifter can produce drops below what's needed to keep accelerating the bar — either because the load is heavy or because fatigue has built up across a set — bar speed crashes near the mechanical sticking point of the lift. If the lifter can still produce just barely enough force to keep the bar inching forward, even slowly, the rep completes as a grind; if force output drops below what's needed to overcome the load at all, the bar stalls or reverses and the rep is missed instead.
How to apply it
- Occasional true 1-3RM attempts: Testing a real limit rep now and then builds tolerance to what a genuine grind feels like, so it isn't a shock in competition.
- Pause or isometric work at the sticking point: Holding or pausing at the exact position a lift tends to stall trains the ability to produce force from that disadvantaged joint angle.
- Accommodating resistance: Bands or chains overload the exact range where a lift tends to grind, without adding load in the easier parts of the rep.
- Mental cueing: Coaches often cue lifters to "keep the bar moving" rather than bracing to hold still, since any forward bar speed — however slow — keeps the rep alive.
Worked example
A lifter attempting a 180 kg squat 1RM shows a clear grind through the sticking point.
| Phase | Bar speed | What's happening |
|---|---|---|
| Out of the hole | ~0.3 m/s | Fast, strong start |
| Sticking point (mid-thigh) | ~0.05 m/s for 2-3 seconds | The grind — force barely exceeds what's needed to keep the bar moving |
| Past the sticking point | ~0.25 m/s | Speed recovers and the rep finishes |
A missed rep looks different: bar speed would hit zero and reverse at the sticking point instead of continuing forward, however slowly.
Grinder rep vs missed rep
| Grinder rep | Missed rep | |
|---|---|---|
| Bar movement | Keeps moving forward, even if very slowly | Stalls or reverses direction |
| Outcome | Counts as a completed, valid lift | Does not count — the rep is not completed |
| What it signals | The lifter is at or very near their current limit | The load exceeded what the lifter could produce that day |
In competition, a grinder that completes under control still counts as a good lift; a rep that stalls and has to be dumped does not.
Common misconceptions
- "Grinding constantly builds toughness and is good programming." Occasional grinding is a useful skill and a natural result of near-limit training, but grinding every session raises injury risk and eats into recovery without adding proportional benefit.
- "A grind means the lifter has bad technique." Near-limit loads slow down at the sticking point even with correct technique — it's a natural result of force output approaching the load, not necessarily a form flaw.
- "Any slow rep is a grind." A deliberately slow tempo rep (e.g. a controlled 3-1-2 tempo set) is chosen by the lifter and stays smooth throughout, unlike a grind, which is an involuntary fight against a bar that wants to stall.
Related terms
Grinder FAQ
What does it mean to grind out a rep?
Grinding out a rep means completing it despite the bar slowing dramatically at the sticking point — the lifter fights through several seconds of near-stalled bar speed rather than moving the weight quickly and cleanly.
Is grinding bad for you?
Occasional grinding on a true near-max attempt is a normal, useful part of testing strength, but grinding through misses or heavy singles every session adds unnecessary injury risk and fatigue without much extra benefit.
Why do reps slow down near the sticking point?
The sticking point is the joint angle where a lifter has the least mechanical leverage on a given lift, so force output relative to the load is lowest there — bar speed naturally drops the most at exactly that position.
What's the difference between a grinder and a missed rep?
A grinder keeps the bar moving forward, however slowly, and finishes as a completed lift; a missed rep stalls or reverses direction at the sticking point and does not count.
How can I get better at grinding out heavy reps?
Occasional true max-effort attempts, pause/isometric work at your specific sticking point, and accommodating resistance (bands or chains) all build the ability to keep producing force in that disadvantaged position.
References
- Understanding and Overcoming the Sticking Point in Resistance Exercise. Sports Med / PMC4887540
- Why You Should Avoid the "Lifter's Grind" in Training. BarBend
- Speed Lifter vs. Grinder - Which Are You & What Do You Need To Improve? Power Rack Strength
- Grinder Reps vs. Explosive Reps. Precision Point Training
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