How the Lats Help the Bench Press [Video] - LIFT.net

HOW THE LATS HELP THE BENCH PRESS [VIDEO]

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Chris Duffin made a video showing how the back, specifically the lats, can actually help press a barbell to lockout on the bench. He mentions one can strengthen the bench press by solely strengthening the lats.
This may be a response to an article written by Mike Israetel, which argued that back work for the bench press was ineffective. There’s a few great ideas in this video, so they are broken down below.
“I WILL ARGUE THAT YOU CAN IMPROVE YOUR BENCH WITHOUT BENCH PRESSING HEAVY AND WORKING THE PRESSING MUSCLES, SOLELY BY DEVELOPING THE LATS”
At (5:47) Chris explains how the lats elongate on the barbell descent; but only if the body is setup correctly and in a slight arch.
He shows (6:42) how the elongated lat can contract to help externally rotate the shoulders, as well as drive the bar upward off the chest with the help of the chest/shoulders.
Lastly, he makes a short mention on how the lats may also help lock the bench press out at the top by externally rotating the shoulder (9:20). It appears what he is showing is contracting the lats to externally rotate the shoulders, and help lock the elbows by drawing the elbows forcefully together at the top.
[Lats] Not being a primary mover does not mean they are not critical.

Benching in an Arc

He also makes a mention in this video about the benefits of pressing in an arc motion on one rep maxes versus in a straight line (3:52). Chris says the added range of motion isn’t a bad thing because the weight is not being lifted against gravity when the bar moves horizontally.
He says this added range of motion helps on a one rep max by allowing more time to complete the same amount of vertical bar movement. Duffin says this creates better leverage, but the added time under tension can be exhausting for higher reps.

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