Hand therapy · Hands

Pinch grip

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

Pinch grip 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. Pinch1.2s · ease-out Bring the thumb and index fingertip together in a pinch
2. Release1.2s · ease-in Open the hand and release

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 "Pinch grip"
  rig humanoid
  pose start = standing

  step "Pinch" 1.2s ease-out:
    thumb_right: flex 55
    thumb_right: adduct 25
    index_right: flex 60
    cue "Bring the thumb and index fingertip together in a pinch"

  step "Release" 1.2s ease-in:
    thumb_right: flex 0
    thumb_right: adduct 0
    index_right: flex 0
    cue "Open the hand and release"

  repeat 6

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