How can I summon an Armor stand with arms?

I need help on getting armor stands with arms in Minecraft. Whenever I try it just says "Unable to summon object". I am playing Minecraft 1.11.2 and thus am looking for a command for that is not 1.7.10 or below.

2 Answers

/summon minecraft:armor_stand ~ ~ ~ {ShowArms:1b}

I also recommend this site which can help you build commands for Armor stands.

The commands are as follows:

/data merge entity @e[type=armor_stand,sort=nearest,limit=1] {ShowArms:1} 

which will change the nearest armor stand into an armor stand with arms.

/summon minecraft:armor_stand ~ ~ ~ {ShowArms:1} 

which will summon a new armor stand with arms shown.