Primary
Full Body
Secondary
Calves, Shoulders, Forearms
Equipment
None
Difficulty
Intermediate
Type
Squat
See how Jump Rope Double Under could fit a workout
The example below shows one possible placement. Your purchased plan is built from your assessment, and Ely checks every exercise before approving it.
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This page is not medical advice or a rehabilitation protocol. Ely's personal review applies to purchased workout plans and does not replace an in-person assessment by a licensed healthcare professional.
Double unders require passing the rope twice under your feet on a single jump, demanding precise timing, wrist speed, and sustained rhythm. This skill-based cardio exercise appears frequently in CrossFit and is one of the most efficient ways to elevate heart rate quickly.
When to use it
Use for conditioning or skill development.
Who it's for
Intermediate athletes with basic jump rope proficiency.
The key is wrist speed, not arm movement—your elbows stay relatively still while your wrists spin the rope rapidly. Jump only about 50% higher than singles and focus on a quick rebound from the balls of your feet. Practice single-single-double patterns before attempting unbroken sets.
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Start with basic jump rope technique.
Jump slightly higher than normal.
Spin rope twice under feet on single jump.
Use wrists to spin faster, not arms.
Land softly and repeat.
Jump is about 50% higher than singles.
Wrists do the work, arms stay relatively still.
Keep elbows close to body.
Practice timing before speed.
Use in conditioning workouts, AMRAP circuits, or as a skill warmup. Double unders are highly efficient for elevating heart rate in minimal space. Common use: 50 DUs for time, or integrated into CrossFit-style workouts like Annie (50-40-30-20-10 DUs and sit-ups).
Jumping too high, wasting energy and reducing rhythm.
Squatting patterns like the Jump Rope Double Under coordinate the hips, knees, and feet. Keep those positions consistent and use a range you can control while your Calves carries the intended load.
Using arms instead of wrists.
An inconsistent grip during the Jump Rope Double Under can make the load less stable. Set your grip before the rep and keep your wrists aligned with the handle, bar, or forearm position the movement requires.
Donkey kicking feet back.
Changing your back position during the Jump Rope Double Under can alter the movement and make the load harder to control. Brace your midsection and keep the torso position called for by the exercise.
Rope too long or short.
Cutting the range of motion short on the Jump Rope Double Under can reduce the training stimulus for your Calves. Use the largest comfortable range you can control without changing the intended setup.
Intermediate athletes with basic jump rope proficiency.
These ranges illustrate ways to organize training. They are not an individual prescription. Adjust them for the exercise, your experience, and the rest of your program.
Heavier loads can be useful for developing maximum strength. The range shown is an example, and the load must match your current technique and capacity.
Muscle growth can occur across different loads and repetition ranges. This example is not a uniquely effective zone; your overall program and effort also matter.
This is an example of a longer set. A repetition target alone does not establish joint safety or whether the exercise is appropriate for you.
Example: 5-10 sets of 10-20 reps. Rest as needed.
Background for resistance exercises: the 2026 ACSM position stand covers healthy adults, and a load-comparison review found similar muscle growth across loads in studies using sets taken to muscular failure. These findings do not validate every exercise-specific range shown here or require training to failure.
This is one example of how Jump Rope Double Under could sit inside a complete workout. Your plan may use different movements after Ely checks your assessment.
Sample workout
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Frequently Asked Questions About the Jump Rope Double Under
The Jump Rope Double Under primarily targets the Calves, Shoulders, making it an effective exercise for full-body development. Secondary muscles worked during the Jump Rope Double Under include Forearms, Core, providing additional training stimulus. Stabilizer muscles engaged include Hip Flexors, Quadriceps.
Our library labels Jump Rope Double Under as intermediate. That category is not an individual assessment. Review the setup, movement instructions, and safety notes, and seek qualified guidance if you are unsure how to perform it.
The programming section shows examples for Jump Rope Double Under. The appropriate amount depends on your current ability, the exercise, and your other training. The listed ranges are not an individual prescription or a guarantee of a particular outcome.
The main equipment listed for Jump Rope Double Under is no equipment. Check the instructions for any additional support, anchor, bench, rack, or clear space needed. The equipment label alone does not confirm that your home setup is suitable.
Good alternatives to the Jump Rope Double Under include: Jump Rope, High Knees, Box Jump. These exercises target similar muscle groups as the Jump Rope Double Under and can be used as substitutes based on your equipment availability, gym setup, or training preferences.