Golf Tutorials

What Weight Medicine Ball for Golf Training?

By Spencer Lanoue
July 24, 2025

Choosing the right medicine ball for your golf training is less about hitting a specific number and more about unlocking explosive, golf-specific power. You're here for an answer, so let's get right to it. This guide will walk you through exactly how to select the correct weight, explain why it matters, and provide a simple, powerful workout you can start today to add yards to your drives.

Why Use a Medicine Ball for Golf Anyway?

Walk into any gym, and you'll see people lifting heavy weights slowly. While that builds raw strength, it doesn't build the specific kind of power a golfer needs. The golf swing is a high-speed, rotational action. It's an explosive whip, not a slow push. To hit the ball farther, you need to increase your clubhead speed, and the best way to do that off the course is by training your body to move fast.

This is where the medicine ball shines. Unlike a dumbbell or barbell, a medicine ball is designed to be thrown and slammed. This type of training improves:

  • Rotational Power: The primary source of speed in the golf swing comes from the powerful unwinding of your hips and torso. Medicine ball throws directly mimic and strengthen this exact sequence.
  • Core Stability: A strong, stable core acts as the conduit, transferring power from your legs and hips up through your torso and into the golf club. A weak core leaks energy, robbing you of distance.
  • Explosiveness (Speed-Strength): This is the holy grail for golfers. It’s the ability to generate maximum force in the minimum amount of time. You train this by moving a moderate weight quickly, not a heavy weight slowly.

In short, using a medicine ball teaches your body how to create and transfer speed efficiently, which is the secret recipe for a faster, more powerful golf swing.

"The Rule of Thumbs" for Choosing Your Starting Weight

The single biggest mistake golfers make when starting with medicine balls is choosing a weight that's too heavy. It's a natural instinct - we think heavier equals stronger. In this case, it doesn’t. Remember, the goal is speed. If the ball is so heavy that your movements are slow and labored, you are training your body to be slow. You are literally defeating the purpose of the exercise.

The "Speed Test": Your Ultimate Guide

Forget fixed numbers for a moment. The best way to know if a medicine ball is the right weight is to perform a simple "Speed Test." Pick a weight and perform a rotational throw against a wall (we'll cover this exercise below). Ask yourself one question: "Can I throw this ball as hard and as fast as possible?"

The movement should feel athletic, snappy, and explosive. If you have to strain, grind, or heave the ball just to get it to the wall, it's too heavy. Your focus should be on the quality and velocity of the movement, not the load. Always err on the side of a lighter weight that you can move with maximum intent and perfect form.

General Weight Ranges for a Starting Point

While the speed test is king, you need a place to start. Use these guidelines to pick a ball for your first workout. These weights are meant for dynamic, powerful throws and slams, not slow, controlled movements.

  • Beginner Golfers / Teenagers / Golfers with a Smaller Frame: Start with a 6-8 lb (approx. 3-4 kg) medicine ball. This provides enough resistance to engage your muscles without slowing you down.
  • Intermediate / Most Regular Male Golfers / Stronger Female Golfers: A 10-12 lb (approx. 5-6 kg) ball is an excellent all-around choice. It brings a good challenge and is fantastic for developing serious rotational power.
  • Advanced / Highly Athletic & Strong Golfers: A 14-16 lb (approx. 6-7 kg) ball works well if you already have a solid foundation of strength and can move it explosively. Few golfers will need more than this for speed-focused exercises.

Remember, these are starting points for your *explosive* training ball. More isn't better if it compromises speed.

Should I Own Multiple Medicine Balls?

In an ideal world, yes. Just like you have different clubs for different shots, having a couple of different medicine balls allows you to optimize your training. You might use a lighter ball (e.g., 8 lbs) for your fastest, most explosive rotational throws, and a heavier ball (e.g., 15-20 lbs) for slower, more deliberate core strength movements like static holds or Russian twists.

Training with different weights helps build a more robust and adaptable power profile.

However, if you can only get one to start, that’s perfectly fine! Based on the guidelines above, choose a single ball in that 10-12 lb range. It’s the most versatile option. You can move it fast enough for power work but it's also heavy enough to provide a solid challenge for core exercises. It’s the perfect “7-iron” of your golf fitness toolbox.

A Simple 3-Exercise Medicine Ball Workout for Golf Power

Ready to put it to use? Perform this workout 2-3 times per week, focusing on maximum speed and quality on every single rep. Perform 3 sets of 8-10 reps for each exercise, resting 60-90 seconds between sets.

1. Side-Facing Rotational Throws (The "Swing Simulator")

This is the most golf-specific exercise you can do with a medicine ball. It directly trains the muscles and a sequence you use to generate clubhead speed.

  • How to do it: Stand sideways, a few feet from a solid concrete or brick wall. Hold the medicine ball with both hands at your chest. Get into your athletic golf posture.
  • Rotate your torso away from the wall, taking the ball back like a backswing. Feel your hips load.
  • Now, just like a downswing, drive with your hips and torso, rotating explosively toward the wall and throwing the ball as hard as you can against it.
  • Catch the ball on the rebound (with a bounce or in the air) and immediately go into the next rep. Complete all reps on one side before switching to the other.

2. Split-Stance Rotational Slams

This exercise teaches your body to link the power from your lower body to your upper body through a stable core, which is essential for hitting solid, powerful golf shots.

  • How to do it: Get into a "split squat" or lunge stance, with one foot forward and one foot back. Your body should be stable.
  • Pick up the medicine ball and raise it up and over the shoulder of your back leg. For example, if your right leg is back, bring the ball up and over your right shoulder.
  • Forcefully and quickly, "slam" the ball down on the ground just outside of your front foot. The motion should feel like you're chopping wood, using your entire core and hips to generate power.
  • Pick it up and repeat. Complete all reps with one leg forward, then switch.

3. Overhead Slams ("Ground Force")

Top-level golfers use the ground to create power. This slam helps you learn how to do just that, creating incredible vertical force that translates into speed through the trunk and arms.

  • How to do it: Stand with your feet about shoulder-width apart, holding the medicine ball.
  • Raise the ball directly over your head, getting as tall as you can. You can even come up onto your toes slightly.
  • - In one explosive motion, use your lats, abs, and hips to slam the ball down onto the ground directly between your feet. Drive your heels into the ground as you slam. - The key is to generate the force from your whole body, not just your arms. Pick the ball up and repeat.

Common Mistakes to Avoid

Keep these common pitfalls in mind to make sure you get the most out of every session.

  • Training Slow: We've said it a few times, but it's the most important point. If your reps are slow, you are not getting faster. Period. Drop the weight and focus on velocity.
  • Using Only Your Arms: Don't just "arm" the ball at the wall. The power needs to start from the ground up. Feel your hips fire first, followed by your torso, and finally the arms deliver the ball. It's a sequence, just like the golf swing.
  • Poor Form: Don't sacrifice your back for a few extra pounds on the ball. Maintain an athletic posture and a "flat back" posture during your slams and throws. If you feel your form breaking down, stop the set, rest, and consider using a lighter ball.

Final Thoughts

Selecting the right medicine ball isn't about ego, it’s about choosing the right tool for the job. Remember to prioritize speed over weight, let form be your guide, and focus on mimicking the explosive, rotational nature of the golf swing. Do that, and you'll be building real, functional power that translates directly into faster clubhead speed and longer, more confident shots on the course.

Adding new training methods can sometimes bring up a lot of questions. As you integrate this work, you might wonder how it connects to your on-course strategy or specific faults. That's why we built Caddie AI. Think of it as your 24/7 golf coach, on hand to answer anything from "Why do I slice when I try to swing harder?" to analyzing a tricky lie you're facing in the rough. When you have an expert in your pocket, you can move forward with confidence, knowing you have the insights you need to improve both your body and your game.

Spencer has been playing golf since he was a kid and has spent a lifetime chasing improvement. With over a decade of experience building successful tech products, he combined his love for golf and startups to create Caddie AI - the world's best AI golf app. Giving everyone an expert level coach in your pocket, available 24/7. His mission is simple: make world-class golf advice accessible to everyone, anytime.

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