Hand therapy · Hands

Make a fist

Target Forearms  ·  Equipment Body weight  ·  Level Beginner  ·  Reps 6

Make a fist is a beginner-level hand therapy movement targeting the forearms, 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. Close1.2s · ease-out Curl the fingers and thumb in to make a closed fist
2. Open1.2s · ease-in Spread the fingers wide open

The .posecode source

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

posecode posture "Make a fist"
  rig humanoid
  pose start = standing

  step "Close" 1.2s ease-out:
    fingers: flex 80
    cue "Curl the fingers and thumb in to make a closed fist"

  step "Open" 1.2s ease-in:
    fingers: flex 0
    cue "Spread the fingers wide open"

  repeat 6

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