| name | duck-and-cover |
| description | Drops quickly into a low crouch and covers the head with both arms to brace, via a sequence. Use when a command mentions duck and cover, brace for impact, shield your head, cover up and crouch, or protect your head and get down. |
| category | locomotion |
| disable-model-invocation | true |
| subskills | ["bend-knees","move-arm","balance-and-posture"] |
duck-and-cover
Drop into a tight low crouch (root.y~-0.4) and wrap both forearms over the head to shield it.
Composes: bend-knees + move-arm + balance-and-posture
How
- Use a
sequence with loop:false. Crouch fast (knees ~90, torso forward) and bring the forearms over the head (arms up-and-in, Forearm curled), then hold.
- Keep the feet flat; do not travel.
durationMs ~900.
Example
- "duck and cover" ->
{"durationMs":900,"say":"Cover up!","sequence":{"loop":false,"frames":[{"t":0,"pose":{"LeftUpLeg":[0,0,180],"RightUpLeg":[0,0,180]},"root":{"y":0}},{"t":1,"pose":{"LeftUpLeg":[55,0,0],"LeftLeg":[90,0,0],"RightUpLeg":[55,0,0],"RightLeg":[90,0,0],"Spine":[25,0,0],"LeftUpperArm":[0,0,-130],"RightUpperArm":[0,0,130],"LeftForearm":[130,0,0],"RightForearm":[130,0,0]},"root":{"y":-0.4}}]}}
Limits & posture
Keep ≥1 foot grounded except at a jump's airborne apex; stay inside human joint ranges and keep weight over the support — see balance-and-posture.
