Warm-up · Full body

Jumping jacks

Target Full body  ·  Equipment Body weight  ·  Level Beginner  ·  Reps 12

Jumping jacks is a beginner-level warm-up movement targeting the full body, written in Posecode, a small open-source language that LLMs like ChatGPT, Claude, and Gemini can write to describe human movement as text. Every joint angle below is hard-clamped to a safe range of motion.

How to do it

1. Out0.5s · ease-out Arms sweep overhead as the feet jump wide
2. In0.5s · ease-in Arms down, feet back together

The .posecode source

This is the exact text an LLM writes to produce the animation above: phases and joint angles, not 3D transforms.

posecode exercise "Jumping jacks"
  rig humanoid
  pose start = standing

  step "Out" 0.5s ease-out:
    shoulders: abduct 160
    hips: abduct 30
    ground-lock: feet
    cue "Arms sweep overhead as the feet jump wide"

  step "In" 0.5s ease-in:
    shoulders: abduct 0
    hips: abduct 0
    ground-lock: feet
    cue "Arms down, feet back together"

  repeat 12

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