Double Unders

What it is

This is a challenging jump rope variation where the rope passes under your feet twice per single jump. It demands precise coordination, timing, and rapid wrist rotation from you. You will primarily engage your calves, quadriceps, and shoulders, while your core muscles provide stabilization. This exercise effectively builds cardiovascular and muscular endurance.

Technique tips

• Rotate the rope primarily with your wrists, not your arms.
• Keep your elbows close to your body for efficiency.
• Perform small, controlled jumps, barely lifting your feet.
• Maintain an upright posture with your gaze straight ahead.
• Breathe rhythmically and deeply to sustain effort.
• Practice single unders for consistent rhythm and timing first.

How to track your progress

Log distance and time. Straddly tracks your pace and your longest effort, and marks new bests automatically.