Physiotherapy · Upper legs

Standing hamstring curl

Target Hamstrings  ·  Equipment Body weight  ·  Level Beginner  ·  Reps 10

Standing hamstring curl is a beginner-level physiotherapy movement targeting the hamstrings, 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. Curl1.4s · ease-out Bend the right knee, drawing the heel toward the glute
2. Lower1.6s · ease-in Lower the foot back to the floor

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 "Standing hamstring curl"
  rig humanoid
  pose start = standing

  step "Curl" 1.4s ease-out:
    knee_right: flex 95
    cue "Bend the right knee, drawing the heel toward the glute"

  step "Lower" 1.6s ease-in:
    knee_right: flex 0
    cue "Lower the foot back to the floor"

  repeat 10

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