Exercise guide
Kettlebell Half Kneeling One Arm Bottoms-Up Press
- Intermediate
- Compound
- Rep-based
- Chest
- Shoulders
- Upper arms
- Waist
This variation builds exceptional shoulder stability and core tension by forcing the body to balance the kettlebell's center of mass above the handle. The half-kneeling stance isolates the upper body while challenging the obliques and hip stabilizers to maintain a neutral spine.
Reviewed by the Crucible team · Updated June 2026
Muscles worked
Setup
- Assume a half-kneeling position with your right knee on the ground and your left foot planted firmly in front, both knees at 90-degree angles.
- Clean the kettlebell to the 'bottoms-up' position in your right hand, holding the handle so the heavy base of the bell points directly toward the ceiling.
- Position your elbow slightly in front of your shoulder (scapular plane) with your forearm perfectly vertical.
- Engage your core and squeeze your glutes to create a stable base.
How to do it
- Inhale to create intra-abdominal pressure, then exhale as you press the kettlebell vertically toward the ceiling.
- Maintain a tight grip on the handle throughout the movement to keep the bell from tipping.
- Lock out the arm at the top without shrugging the shoulder toward your ear.
- Inhale as you slowly lower the kettlebell back to the starting position under full control, maintaining a 2-second eccentric tempo.
Form checklist
- Keep the forearm vertical at all times to prevent the bell from falling.
- Avoid arching your lower back; keep your ribs tucked toward your pelvis.
- Squeeze the handle as hard as possible to maximize shoulder stability through irradiation.
- Keep your eyes on the kettlebell throughout the set to assist with balance.
Pro tips
- Squeeze your non-working fist and your glutes to create full-body tension, which increases stability and force production.
- Focus on driving the elbow 'forward and up' rather than just 'up' to keep the shoulder joint in the strongest mechanical position.
Make it harder
- Add a 3-second pause at the top of the movement to maximize time under tension for the rotator cuff and stabilizers.
- Transition to a 'narrow' half-kneeling stance by placing your front foot directly in line with your back knee to further challenge lateral stability.
Frequently asked
- What muscles does the kettlebell half kneeling one arm bottoms-up press work?
- The kettlebell half kneeling one arm bottoms-up press primarily targets the deltoids, and also works the serratus anterior and trapezius as secondary muscles.
- What equipment do you need for the kettlebell half kneeling one arm bottoms-up press?
- The kettlebell half kneeling one arm bottoms-up press uses kettlebell.
- Is the kettlebell half kneeling one arm bottoms-up press good for beginners?
- The kettlebell half kneeling one arm bottoms-up press is rated intermediate. Build a base with simpler variations first, then progress to it with light load and strict form.