In the NFL, we used to refer to the muscles we could see as "Show Muscles" and the ones we couldn't as "Go Muscles." Training the back and posterior chain is fundamental, so I want to take a deep dive ...

Several studies describe that in addition to the thoracic and lumbar muscles, the Latissimus dorsi (LD) and hip extensors contribute during trunk extension performance. [28,30–33] These findings ...

A broad, well-defined back is a cornerstone of any well-rounded physique. But that’s not the only reason to pump up your posterior—it’s also a critical way of improving posture, reducing back pain, ...