What muscles does the One-Arm Slam with a medicine ball work?

The One-Arm Slam primarily targets your abs and obliques, helping to strengthen core stability and rotational power. Secondary muscles engaged include the shoulders, upper back, and lower back, which assist in controlling the movement and generating force.

Do I need a medicine ball for One-Arm Slams, or can I use other equipment?

A medicine ball is ideal because its weight and design allow for safe slamming without damaging the floor. If you don’t have one, you can use a slam ball, sand-filled ball, or even a soft-weight alternative, but avoid rigid weights to prevent injury or equipment damage.

Is the One-Arm Slam suitable for beginners?

Yes, beginners can perform the One-Arm Slam, but should start with a lighter medicine ball to learn proper form. Focus on engaging the core, keeping the back straight, and controlling the slam to build technique before increasing weight or intensity.

What are common mistakes to avoid when doing One-Arm Slams?

Common mistakes include rounding your back, using only your arm to generate power, and failing to engage the core. To avoid these, keep your spine neutral, use a full-body movement to slam, and bend at your knees and hips during the follow-through.

How many sets and reps should I do for One-Arm Slams?

Aim for 3–4 sets of 8–12 reps per arm, depending on your fitness level. For conditioning, you can perform timed intervals such as 30 seconds per side, focusing on explosive power while maintaining good form.

What safety tips should I follow when performing One-Arm Slams?

Always warm up your shoulders and core before slamming, and use a weight you can control without straining. Make sure the floor surface is non-slip, and keep your knees slightly bent to absorb impact and reduce stress on your back.

Are there variations of the One-Arm Slam I can try?

Yes, you can try alternating arm slams, rotational slams, or kneeling One-Arm Slams to change muscle emphasis. Increasing weight or speed adds intensity, while performing from a half-kneeling position can improve core stability and balance.

One-Arm Slam (with medicine ball)

Target Muscles

Primary:

Secondary:

Equipment Required

Other

Exercise Type

Weight & Reps

How To Do

Stand with feet shoulder-width apart, holding a medicine ball in one hand overhead with your arm fully extended. Engage your core and forcefully slam the ball down to the ground beside your foot, using your core and arm for power. Keep your back straight and follow through by bending your knees and waist as you slam.

Step-by-Step Instructions

Start by standing with your feet shoulder-width apart, holding a medicine ball in one hand. Raise the ball overhead with your arm fully extended.
Engage your core and slightly bend your knees to prepare for the movement.
Forcefully slam the medicine ball down toward the ground on the same side as the arm holding the ball. Use your core and arm strength to generate power.
Follow through with the motion by bending at the waist and knees, ensuring the ball hits the ground close to your foot.
Pick up the ball and return to the starting position with the ball overhead.
Repeat for the desired number of repetitions, then switch to the other arm.

Explore more abs exercises or other exercises in our exercise library.

Alternative Exercises

Sledgehammer Slam

Abs

Obliques

Other

Russian Twist (with medicine ball)

Obliques

Other

Kettlebell Figure 8

Obliques

Abs

Kettlebell

Dumbbell Side Bend

Obliques

Dumbbell

Frequently Asked Questions

What muscles does the One-Arm Slam with a medicine ball work?: The One-Arm Slam primarily targets your abs and obliques, helping to strengthen core stability and rotational power. Secondary muscles engaged include the shoulders, upper back, and lower back, which assist in controlling the movement and generating force.
Do I need a medicine ball for One-Arm Slams, or can I use other equipment?: A medicine ball is ideal because its weight and design allow for safe slamming without damaging the floor. If you don’t have one, you can use a slam ball, sand-filled ball, or even a soft-weight alternative, but avoid rigid weights to prevent injury or equipment damage.
Is the One-Arm Slam suitable for beginners?: Yes, beginners can perform the One-Arm Slam, but should start with a lighter medicine ball to learn proper form. Focus on engaging the core, keeping the back straight, and controlling the slam to build technique before increasing weight or intensity.
What are common mistakes to avoid when doing One-Arm Slams?: Common mistakes include rounding your back, using only your arm to generate power, and failing to engage the core. To avoid these, keep your spine neutral, use a full-body movement to slam, and bend at your knees and hips during the follow-through.
How many sets and reps should I do for One-Arm Slams?: Aim for 3–4 sets of 8–12 reps per arm, depending on your fitness level. For conditioning, you can perform timed intervals such as 30 seconds per side, focusing on explosive power while maintaining good form.
What safety tips should I follow when performing One-Arm Slams?: Always warm up your shoulders and core before slamming, and use a weight you can control without straining. Make sure the floor surface is non-slip, and keep your knees slightly bent to absorb impact and reduce stress on your back.
Are there variations of the One-Arm Slam I can try?: Yes, you can try alternating arm slams, rotational slams, or kneeling One-Arm Slams to change muscle emphasis. Increasing weight or speed adds intensity, while performing from a half-kneeling position can improve core stability and balance.