reverse-crunch

name	reverse-crunch
description	Has the character do reverse crunches on its back, drawing the knees toward the chest. Use when the user says reverse crunch, knees to chest crunch, or lower-ab crunches.
category	action
disable-model-invocation	true
subskills	["move-leg","balance-and-posture"]

reverse-crunch

Reverse crunch: posture:"lieBack" with a looping leg sequence pulling the knees toward the chest (*UpLeg/*Leg).

Recipes / Worked Actions (minified JSON — uses the posture/surfaces contract)

• "do reverse crunches" -> {"durationMs":1600,"posture":"lieBack","sequence":{"loop":3,"frames":[{"t":0,"pose":{"LeftUpLeg":[70,0,0],"LeftLeg":[70,0,0],"RightUpLeg":[70,0,0],"RightLeg":[70,0,0]}},{"t":0.5,"pose":{"LeftUpLeg":[110,0,0],"LeftLeg":[120,0,0],"RightUpLeg":[110,0,0],"RightLeg":[120,0,0]}},{"t":1,"pose":{"LeftUpLeg":[70,0,0],"LeftLeg":[70,0,0],"RightUpLeg":[70,0,0],"RightLeg":[70,0,0]}}]},"say":"Knees in."}