The practice of creating a pronounced curvature in the spine while performing the barbell chest press involves elevating the mid-back off the bench. This technique, characterized by a shortened range of motion and increased upper back tightness, is often employed to lift heavier weights.
The primary motivations behind this spinal positioning are enhanced stability and a biomechanical advantage. Shortening the distance the barbell travels theoretically allows for more weight to be moved. Historically, powerlifters have utilized this technique extensively as it often results in greater weight lifted, a key metric in their sport.
