HOW: Get set-up holding a barbell in a landmine rig with one hand, the side you're holding the barbell will be the same side that the knee is down on the ground. While maintaining an optimal half kneeling position, perform a landmine shoulder press overhead and repeat. Perform on both sides
FEEL: You should feel your core working to keep your balanced as well as the hip muscles on the side that the knee is down. You should feel your triceps, deltoid, and shoulder blade muscles working on the side that is performing the landmine shoulder press.
COMPENSATION: Do not arch your back, do not shrug your shoulders. Do not lose your balance