clamshell

name	clamshell
description	Has the character do clamshells on its side, knees bent, opening and closing the top knee. Use when the user says clamshells, clamshell exercise, or open and close your knee on your side.
category	action
disable-model-invocation	true
subskills	["move-leg","balance-and-posture"]

clamshell

Clamshell: posture:"lieSide", both knees bent and stacked, with a looping sequence opening the top knee up and back (*UpLeg Z).

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

• "do clamshells" -> {"durationMs":1700,"posture":"lieSide","pose":{"LeftUpLeg":[40,0,180],"LeftLeg":[90,0,0],"RightUpLeg":[40,0,180],"RightLeg":[90,0,0]},"sequence":{"loop":3,"frames":[{"t":0,"pose":{"LeftUpLeg":[40,0,180]}},{"t":0.5,"pose":{"LeftUpLeg":[40,0,140]}},{"t":1,"pose":{"LeftUpLeg":[40,0,180]}}]},"say":"Open… close…"}