Andrew Huberman· PhD
Uh you know what do the pecs do? Bring your arms down and across the body. What do your lats do? They bring your upper arm down and back. So, you'll be amazed like if your nephew are pro bodybuilders, some of them don't know like why they're doing what they're doing. What's the mechanics involved? And I get them to do light sets very perfect. Do you feel that? Do you feel how it contracts when you lats and you squeeze and you contract? Yeah, I feel it. Feel it. Okay, now you got it.