Mastering the Kip Swing Part 1: The Four Stages of the Hollow Hold

As we approach the CrossFit Open at CrossFit Chiltern, the energy in the gym is shifting toward gymnastics efficiency. We know that high-volume pull-ups, toes-to-bar, and muscle-ups are coming. However, before we ever talk about “swinging,” I need to address the most important rule in our gym: Kipping is a way to build volume after accumulating strict strength; it is not a substitute for strict pull-ups. If you don’t have the joint integrity and foundational strength of a strict pull-up, kipping is simply putting a high-performance engine into a chassis made of cardboard. Understanding the hollow hold stages crossfit is crucial for mastering this skill and achieving optimal performance. The hollow hold stages crossfit are essential components to focus on during your training.

A great kip swing doesn’t start on the bar. It starts on the floor with the Hollow Hold. This is the engine room of gymnastics.

Incorporating the hollow hold stages crossfit into your routine can significantly improve your technique.

Mastering the hollow hold stages crossfit will enhance your overall performance and efficiency.

Incorporating the hollow hold stages crossfit into your routine will provide a solid foundation for your kipping technique.

The hollow hold stages crossfit play a vital role in developing the strength needed for effective kipping. By mastering this foundational position, athletes can significantly improve their performance and utilise the hollow hold stages crossfit to enhance their skills. Remember, consistency in practising the hollow hold stages crossfit will lead to better results.

The Power of Compression and Tension

Think of your body as a system of pulleys and levers. If the central anchor point (your core) is loose and disconnected—what our coaches often call “the wet noodle” effect—you lose massive amounts of energy during every single rep. The Hollow Hold is the exercise that teaches you how to create global body tension through compression. When I talk about compression, I mean the active process of pulling your ribs down toward your hips and “shortening” your front side to create a rock-solid midline.

Without compression, your kip will be erratic, and you will leak power. To ensure you are building this the right way, I want you to master these four progressive stages of the hollow hold on the floor before you ever attempt a dynamic swing on the bar.

Stage 1: The Tucked Hollow (Arms by Side)

Lie on your back and pull your knees into your chest. Now, lift your head and shoulders off the floor while reaching your arms long by your sides. The non-negotiable rule here is that your lower back must be pressed firmly into the floor. If I can slide a hand under your spine, you aren’t in a hollow. This stage teaches you the basic “crunch” or compression needed to close the gap between your ribs and your pelvis.

Stage 2: Single-Leg Hollow (Arms by Side)

Once you can hold Stage 1 with perfect tension for 30 seconds, extend one leg out at a 45-degree angle. Keep your toes pointed and your quad squeezed tight. Keeping one knee tucked helps you maintain that lower back contact with the floor. This is where you begin to learn how to maintain compression while adding a “lever” (your leg) to the movement.

Stage 3: Double-Leg Hollow (Arms by Side)

Extend both legs out. Pin your heels together and squeeze your glutes. Your legs should be 6-12 inches off the floor. Your arms remain by your sides, reaching for your heels. This is a massive jump in difficulty because the weight of both legs is trying to pull your lower back into an arch. You must fight that pull by driving your belly button into the ground. If your back lifts here, go back to Stage 2.

Stage 4: Full Hollow Hold (The “On the Phone” Position)

This is the gold standard for an athlete. From Stage 3, reach your arms overhead. I want your biceps to be in line with your ears—I call this the “on the phone” position. This creates the longest possible lever for your core to manage. Your body should look like a shallow, rigid banana.

The goal is “identity-based” movement—I don’t want you to just “do” the rep; I want you to be the hollow position. We use the hollow to build the “brakes” for our gymnastics. Once we have the brakes (strict strength and compression), we can safely add the “gas” (the kip).

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