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AnImpatientPenguin

I’d go 2RM. I like it more, especially for younger. It gives more buffer for error if they overestimate the lift and I think it’s less intimidating.


earnest_knuckle

Great point about the mental aspects around approaching the weight and building toward success


Familiar_Shelter_393

Depends on what you're training for but almost most of the time 2 reps would be more useful than 1 I think


earnest_knuckle

That two rep seems to translate so well


Lilmatt2

any science to back this up?


earnest_knuckle

Peer reviewed research science? Nah


earnest_knuckle

Peer reviewed research is valuable. The point of experiments is that the results can be duplicated by other researchers/science/people. And really, science tends to be well documented observations, or a collection of anecdotal information.


Lilmatt2

well I hate to tell you, a 2rm doesn’t indicate speed power velocity etc any more than a 1rm. It takes more technical efficiency to perform a lift twice than it does once. If you want to measure power, do max iso metric lifts, vertical jumps, or broad jumps. A 2rm is probably 95-97 percent of your max and it’s still going to move slowly lol.


earnest_knuckle

Velocity is relative to load. Slow/fast is a continuum around the load/force being applied. I’m curious how you see a max isometric lift as a demarcation of power. Where do you hold the isometric? Empty bar with pins? Or loaded?


Lilmatt2

pins, Force plates. Tells you rate of force development, force development as a whole as hole. A 1rm doesn’t even tell you the whole picture with Force development. Velocity is load dependent. And it will always be slow in a 1rm or 2rm.


earnest_knuckle

Disagree that a one rep max will always be slow. I spotted a 500lbs/227 kilo bench press of a shot put athlete who moved the weight at a .54 m/s and prior did static sets at 210 kilos for doubles at .52 m/s. The one rep was his fastest rep—even faster than warm up sets building to the weight


Lilmatt2

then he just doesn’t generate force fast and has spent too much time under heavy loads and is fatigued


earnest_knuckle

That’s why his fastest lift was also his heaviest lift? After all the reps prior accumulating fatigue and his last attempt is his fastest? Not the case. These are reps measured with a VBT device that state his last rep, his heaviest rep, was his fastest rep


Lilmatt2

something wrong with the training bud, tendo units should show otherwise. His rfd is terrible. I bench 375, and I average .98 to 1.03 on 225. max I’m saying fatigued from the overall training load in prior weeks months. His power production has went down. We see it all the time in Squatober. The velocity built will be around the loads you train under. He isn’t spending enough time under lighter loads and plyos.


earnest_knuckle

He did drop sets at 170 kilos between .92 and 1.04 for sets of 5 then


Lilmatt2

If you create more force at the same speed, or the same force and faster you are more powerful. They have a strong correlation to vertical jump scores which indicate vertical force production. Vj also tell an incomplete picture.


earnest_knuckle

Wouldn’t more force make for a faster speed? And the same force but faster would be load dependent—like a lighter body weight sprinting or jumping?


Lilmatt2

and yes but no, the weight on the barbell is not indicative of the force being produced. We know that power is (force x distance)/ time .58 is more towards maximal strength.


earnest_knuckle

The force generated his load dependent. And force is another way of saying load


Lilmatt2

it the simplest sense yes.


earnest_knuckle

Einstein is quoted as saying, “if you can’t explain it simply, you don’t understand it well enough” 😉