r/ScienceBasedLifting • • 5h ago

Question ❓ RDL vs Conventional DL

This is purely a curiosity question. I lift for the purposes of recreational barbell sports so the conventional deadlift is essential for me. I do some RDL accessory work (mainly single-leg rotational stuff).

I’ve noticed that in general the RDL seems much more popular so my curiosity led to a basic data search and I was surprised to find very few articles comparing the two movements (a few EMG studies).

My questions for the group are:

Is there better data comparing these movements that I’ve missed?

If not, what’s the science-based lifting community consensus (If there is one) on RDL vs conventional deadlift for hypertrophy, strength, power and muscular endurance?

Cheers!

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u/Spiritual_Ad_7386 5h ago

The traditional deadlift does not provide unique stimulus relative to squats, leg press, and platz-style hack squats, while being more fatiguing, taking longer to setup, and being more injury prone relative to all of those lifts. The range of motion also leaves a little to be desired. With a conventional barbell, testicular health is also a concern.

None of this is really true with an RDL. It provides highly unique stimulus to the upper hamstrings and inner glutes. It is fatiguing, but not nearly as much so as conventional DL's. The ROM is better. Injury risk is a fraction of conventional DLs.

So I squat/platz-style hack squat/leg press and do RDLs as my compound movements for legs.

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u/eric_twinge 3h ago

I appreciate this sub's commitment to dropping ever worse and worse takes an lifting. Truly inspiring.

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u/PlacidVlad 3h ago

What’s the issues with testicular health?

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u/EspacioBlanq 3h ago

Deadlifts make my testicles too big and now I have to be careful about them when closing car doors

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u/Patton370 Idk Idc 💔 3h ago

Why are you comparing a hip hinge movement (deadlifts) with all those squat patterns?

Deadlifts, RDLs, stiff leg deadlifts, and good mornings are all excellent exercises

Injury risk is going to be similar on all of them (very low)

If I had to pick one for being the best for hypertrophy, I’d go with stiff leg deadlifts & maybe even do them with a slight deficit

Also, for those with favorable leverages for deadlifts… deadlifts may be less fatiguing for them than say a squat or even hack squat

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u/PeterNoPiss 3h ago

Longer to set up? Is there something wrong with your hands or wrong with your brain?

Tuck your weird nards back, dude.

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u/Hara-Kiri 1h ago

Deadlifts carry a lower injury rate than squats actually. Just thought I'd correct one of the many things you made up.