Landmine Single-Arm Rotational Press — Half Kneeling: A Complete Guide
Quick Intro
Landmine Single-Arm Rotational Press — Half Kneeling is a landmine pressing exercise performed by kneeling in a half-kneeling stance, holding the loaded end of a landmine barbell in one hand at shoulder height and pressing it forward and across the body while rotating the trunk, with the back knee down for a stable base. Kneeling removes the hip drive that powers the standing version, shifting the work onto the trunk and shoulder’s own contribution to the press.
Equipment Needed
A landmine attachment with a barbell loaded into it, plus enough weight plates on the free end to work with.
Why It Matters
The press still asks the trunk to rotate and stabilize even without the legs driving the movement from below. As a compound, multi-joint lift, it builds pressing strength through a rotating trunk, a useful base before adding the hip’s contribution back in. It works well as a technical entry point into landmine pressing, or as a way to isolate the trunk and shoulder’s own share of the work before progressing to a standing, hip-driven version.
When to Do It
Place this early in a session, once the whole body is properly warm, since it still asks for coordinated effort between the trunk and the pressing arm even without hip drive involved. A diagnosed shoulder condition is a good reason to check with a doctor or physical therapist before adding a loaded kneeling press like this one.
Getting Ready
A short warm-up of trunk rotations and arm circles gets the shoulder and torso ready. Kneel into position and rehearse the pressing motion with just the empty bar before loading any plates onto it.
Step-by-Step Instructions
- Kneel in a half-kneeling stance, with the back knee down for a stable base.
- Hold the loaded end of the landmine bar in one hand at shoulder height.
- Brace through the trunk, keeping the kneeling base steady.
- Press the bar forward and across the body, rotating the trunk as the arm extends.
- Control the bar back to the shoulder, resetting the position before the next rep.
How Many, How Often
| Level | Reps (per side) | Sets |
|---|---|---|
| Beginner | 5-6 | 2 |
| Intermediate | 6-8 | 3 |
| Advanced | 8-10 | 3 |
A stable, still kneeling base matters more here than the amount of weight pressed. If the back knee lifts or the hips start swaying to help drive the bar, the load has outpaced what the trunk alone can control.
Modifications and Variations
Harder: Landmine Single-Arm Rotational Press. Standing back up brings the hip drive back into the pattern, letting the legs generate power the kneeling base can’t provide.
Common Mistakes to Avoid
Letting the back knee lift off the ground to help drive the press. The whole point of the kneeling base is to remove hip drive from the equation. A knee that lifts is smuggling the standing version’s power source back in.
Swaying the hips to build momentum for the bar. Without a stable base, the trunk can’t do the controlled rotational work this exercise is meant to isolate. Keeping the hips still is what makes the trunk and shoulder do the work.
Loading too much weight for a kneeling base to control. A heavy plate makes it tempting to sway or lift the knee for extra leverage. A lighter load that the trunk alone can press cleanly does more for building pressing strength here.
After Your Set
Kneeling back down and pulling the pressing-side arm gently across the chest with the opposite hand loosens the shoulder that just did the work, while a few slow trunk turns settle the rest. Fifteen to twenty seconds on the shoulder stretch is enough to feel the difference.
Going Deeper
The plateau here is trunk stability, not raw pressing strength: once the kneeling base can stay still through every rep, adding more weight without that stability usually just brings the knee-lift or hip-sway fault back. Building resistance gradually while the base stays fixed does more for pressing strength than chasing a heavier plate early.
How to Know You’re Improving
- The back knee stays down through the entire set, with no lifting to help the press.
- The hips stay still, with the trunk and arm doing the visible work.
- The bar travels a straight, unwavering line as the elbow locks out.
- Both sides feel roughly even in strength, with no obvious weaker side.
- Standing up for the full version feels like a natural next step.
Muscles Worked
- Anterior Deltoid (the front of the shoulder cap, pressing the bar across from a base that cannot shift)
- Obliques (the muscles along the sides of the waist, supplying the rotation with no hip drive to borrow from)
- Pectoralis Major (the chest muscle, pushing the bar along its diagonal)
- Triceps Brachii (the back of the upper arm, extending the elbow at the end of the reach)
- Transverse Abdominis (a deep core muscle that wraps around the torso like a corset, holding the kneeling trunk firm under a one-sided load)
- Serratus Anterior (a muscle along the side of the ribcage, carrying the shoulder blade forward as the arm crosses)
FAQ
Why kneel instead of standing for this version? Kneeling removes the hip drive that powers the standing version, isolating how much the trunk and shoulder alone can contribute to the press. It’s a useful way to build that foundation before adding the legs back in.
Which knee should be down? Either knee works as the base, opposite the pressing arm or the same side, whichever keeps the trunk stable through the set. What matters most is that the base stays still throughout.
Does removing the hip drive make this harder? No. It caps how much force the body can put into the press, since the legs aren’t adding anything, even though the trunk still has stabilizing work to do.
What’s a sensible starting weight? Light enough that the kneeling base stays completely still through every rep. Loading just one small plate lets the trunk-and-shoulder pattern get established before more weight goes on the bar.
When should I try the standing version? Once the kneeling press feels controlled with a still base through the whole set, Landmine Single-Arm Rotational Press adds the hip drive back in for a fuller expression of the movement.
Related to Landmine Single-Arm Rotational Press, the harder standing version.