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Partial reps

Squeezing shortened reps out of a set once full range of motion has gone

When the last full rep will not move, some lifters keep going with a shortened range: half reps, quarter reps, sometimes barely more than a twitch at the hardest point. The set ends when even that stops. Research on partial range work suggests it can build muscle, particularly at the lengthened end of a movement, and bodybuilders have used it for decades to finish machine and cable exercises where a failed rep costs nothing. It is hard on the target muscle rather than the joints, which is why it turns up on pulldowns and curls far more often than on squats. Lean on it too heavily and a session fills with fatigue that no longer buys anything.

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