10/13/2026
Big chest and shoulders from the bench, but no punching or throwing power? Here’s why.
Athletes push one arm at a time through a locked core. The half-kneeling single-arm dumbbell press trains exactly that.
You never push in real life with both arms in a perfect, symmetrical line. A punch, a throw, a shove. It’s always one side, driven by the hips and the core.
The bench does the stabilizing for you. Take it away, drop to one knee, press with one arm, and your core finally has to do its job.
Most guys ruin this press in 3 ways:
1️⃣ Leaning away. The torso tilts to help the weight up. Stay stacked, head still.
2️⃣ Ribs flaring. Your lower back arches at the top. Pull your ribs down and squeeze the glute of your down leg.
3️⃣ Dropping it. A fast lowering skips half the work. Take 3 seconds on the way down.
3 sets of 8-10 per side. You should feel your obliques working hard on the side opposite the weight. If your lower back is doing the work, go lighter.
Save this and check your ribs on rep one 👇
Turn the power switch on. Your 12-week athletic body plan starts free 👉 link in bio