Do slow negatives help you get your first pull-up?

A slow lower is the second half of a pull-up on its own. You start with your chin over the bar and take yourself down under control. It needs no band, so it is pull-up training you can do with your whole body weight long before you can pull it up.

A PubMed search turns up no trial of slow lowers as a route to a first pull-up, so what follows joins general research on lowering work with a coach's judgment.

Why lowering is worth your time

Muscles can handle more on the way down than on the way up. A meta-analysis of healthy adults found high intensity lowering work built more strength than lifting work, and linked that to the higher loads lowering allows¹. The same analysis found those gains were specific to the kind of work trained¹. So slow lowers make you strongest at lowering.

Why it cannot be your only pull-up work

A pull-up is won on the way up. In a study of strength trained men, the biceps, forearms and chest were more active going up than coming down². Keep some pulling in the week, with band assisted pull-ups, an assisted pull-up machine, or rows and pulldowns. Then add the lowers beside it.

How to do one

Set a box under the bar. It should be stable, and high enough to let you step up until your chin is over the bar.
Take the bar and step off. Hold your chin over the bar with your shoulders set down and back.
Lower slowly. Keep moving smoothly all the way to straight arms.
Step back up. Use the box. Do not jump into the next rep.

Three to five seconds is a good target on the way down. A meta-analysis on rep speed found muscle growth was similar across reps of up to eight seconds, with very slow reps past ten seconds coming out behind³. So a slow lower has no need to become a long hold.

Start with fewer than you think

Lowering work you are not used to causes muscle damage and delayed soreness, and repeated sessions that build gradually are the most useful protection⁴. As a coach's starting point, try two sets of three lowers after your pulling work, once or twice a week. Add reps only when you can stay in control to the bottom.

End the set when you drop rather than lower. When your lowers stay smooth and your pulling work is coming along, try a pull-up right after your warm-up, with up to three tries.

Sources

Roig and colleagues, British Journal of Sports Medicine, 2009. The effects of eccentric versus concentric resistance training on muscle strength and mass in healthy adults: a systematic review with meta-analysis a meta-analysis finding larger strength gains from high intensity eccentric training, and that those gains are specific to the mode of contraction; over five years old and kept as the pooled analysis of the question

Dickie and colleagues, Journal of Electromyography and Kinesiology, 2017. Electromyographic analysis of muscle activation during pull-up variations nineteen strength trained men with higher biceps, forearm and chest activity on the way up than on the way down

Schoenfeld, Ogborn and Krieger, Sports Medicine, 2015. Effect of repetition duration during resistance training on muscle hypertrophy: a systematic review and meta-analysis similar muscle growth across repetition durations of half a second to eight seconds, and very slow reps past ten seconds coming out behind; over five years old and kept as the meta-analysis of the question

Hody and colleagues, Frontiers in Physiology, 2019. Eccentric Muscle Contractions: Risks and Benefits unaccustomed eccentric exercise causing muscle damage and delayed soreness, and repeated submaximal sessions with gradually rising intensity as the most useful protection

Can slow lowers get me to a first pull-up?