good-morning-bend

name	good-morning-bend
description	Performs the good-morning hip hinge, bending forward from the hips with a flat back and hands behind the head, then standing tall. Use when the command mentions good morning, good mornings, or hip hinge with hands behind head.
category	exercise
disable-model-invocation	true
subskills	["move-torso","move-leg","balance-and-posture"]

good-morning-bend

A posterior-chain hinge: hands behind the head, push the hips back and fold the torso toward horizontal with a flat back, then return to standing tall. Loop.

How

• Hands behind head: LeftUpperArm:[20,0,60],LeftForearm:[0,0,-130],RightUpperArm:[20,0,-60],RightForearm:[0,0,130].
• Hinge: Spine:[70,0,0],Chest:[10,0,0], slight knee soften *UpLeg:[20,0,0], gaze down Head:[-15,0,0].
• Return to tall. Loop.

Example

• "do good mornings" -> {"durationMs":2200,"say":"Hinge and rise.","sequence":{"loop":true,"frames":[{"t":0,"pose":{"Spine":[0,0,0],"LeftUpperArm":[20,0,60],"LeftForearm":[0,0,-130],"RightUpperArm":[20,0,-60],"RightForearm":[0,0,130]}},{"t":0.5,"pose":{"Spine":[70,0,0],"Chest":[10,0,0],"LeftUpLeg":[20,0,0],"RightUpLeg":[20,0,0],"Head":[-15,0,0]},"root":{"y":-0.05}},{"t":1,"pose":{"Spine":[0,0,0],"Chest":[0,0,0],"LeftUpLeg":[0,0,180],"RightUpLeg":[0,0,180],"Head":[0,0,0]},"root":{"y":0}}]}}