Why do people use dumbbells...

Why do people use dumbbells? I see posts here all the time saying they incline db press whatever weight or they farmers walk with dbs. 45lb dumbbells aren't as heavy as lifting a 45lb barbell. or a sled for example. Is it an ego lifting thing?

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>45lb dumbbells aren't as heavy as lifting a 45lb barbell
Are you fucking retarded?

It's a mechanically different lift in almost all cases.

45 lbs doesn’t equal 45 lbs

Are you familiar with the concept of the distribution of weight?

A and B are equal assuming you have to use the same amount of hands.

No because the arms are extended in A but are not in B

They're all the same weight (+/- a few percent due to manufacturing differences) but option c would be the most difficult to hold.

Assuming you hold both with your arm outstretched they're the same

try it next time in your gym. lifting a 45lb plate off the tree isn't as heavy as lifting a barbell off the rack.

Holy fuck. The weight is distributed differently you moron.